Ensure remove apt-update cache at the beginning and end of the scripts (#210)

* remove apt lists

* bump versions

52 files changed, 352 insertions, 130 deletions

diff --git a/src/anaconda/devcontainer-feature.json b/src/anaconda/devcontainer-feature.json
index e4b753d..d0bc70d 100644
--- a/src/anaconda/devcontainer-feature.json
+++ b/src/anaconda/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "anaconda",
-    "version": "1.0.7",
+    "version": "1.0.8",
     "name": "Anaconda",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/anaconda",
     "options": {
diff --git a/src/anaconda/install.sh b/src/anaconda/install.sh
index 468fd01..47f3462 100755
--- a/src/anaconda/install.sh
+++ b/src/anaconda/install.sh
@@ -16,6 +16,9 @@ CONDA_DIR=${CONDA_DIR:-"/usr/local/conda"}
 set -eux
 export DEBIAN_FRONTEND=noninteractive
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -64,7 +67,10 @@ updaterc() {
 # Checks if packages are installed and installs them if not
 check_packages() {
     if ! dpkg -s "$@" > /dev/null 2>&1; then
-        apt-get update -y
+        if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+            echo "Running apt-get update..."
+            apt-get update -y
+        fi
         apt-get -y install --no-install-recommends "$@"
     fi
 }
@@ -128,4 +134,7 @@ if [ -f "/etc/bash.bashrc" ]; then
     echo "${notice_script}" | tee -a /etc/bash.bashrc
 fi
 
-echo "Done!"
\ No newline at end of file
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+echo "Done!"
diff --git a/src/aws-cli/devcontainer-feature.json b/src/aws-cli/devcontainer-feature.json
index 11b0bda..5302cf1 100644
--- a/src/aws-cli/devcontainer-feature.json
+++ b/src/aws-cli/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "aws-cli",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "name": "AWS CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/aws-cli",
     "description": "Installs the AWS CLI along with needed dependencies. Useful for base Dockerfiles that often are missing required install dependencies like gpg.",
diff --git a/src/aws-cli/install.sh b/src/aws-cli/install.sh
index 4ab2234..a8b414e 100755
--- a/src/aws-cli/install.sh
+++ b/src/aws-cli/install.sh
@@ -9,6 +9,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 VERSION=${VERSION:-"latest"}
 
 AWSCLI_GPG_KEY=FB5DB77FD5C118B80511ADA8A6310ACC4672475C
@@ -71,7 +74,10 @@ apt_get_update()
 # Checks if packages are installed and installs them if not
 check_packages() {
     if ! dpkg -s "$@" > /dev/null 2>&1; then
-        apt_get_update
+        if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+            echo "Running apt-get update..."
+            apt-get update -y
+        fi
         apt-get -y install --no-install-recommends "$@"
     fi
 }
@@ -133,4 +139,7 @@ echo "(*) Installing AWS CLI..."
 
 install
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/azure-cli/devcontainer-feature.json b/src/azure-cli/devcontainer-feature.json
index b3e6288..85fa055 100644
--- a/src/azure-cli/devcontainer-feature.json
+++ b/src/azure-cli/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "azure-cli",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "name": "Azure CLI",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/azure-cli",
   "description": "Installs the Azure CLI along with needed dependencies. Useful for base Dockerfiles that often are missing required install dependencies like gpg.",
diff --git a/src/azure-cli/install.sh b/src/azure-cli/install.sh
index 6518f6c..de5d65d 100755
--- a/src/azure-cli/install.sh
+++ b/src/azure-cli/install.sh
@@ -9,6 +9,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 AZ_VERSION=${VERSION:-"latest"}
 
 MICROSOFT_GPG_KEYS_URI="https://packages.microsoft.com/keys/microsoft.asc"
@@ -44,7 +47,10 @@ apt_get_update()
 # Checks if packages are installed and installs them if not
 check_packages() {
     if ! dpkg -s "$@" > /dev/null 2>&1; then
-        apt_get_update
+        if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+            echo "Running apt-get update..."
+            apt-get update -y
+        fi
         apt-get -y install --no-install-recommends "$@"
     fi
 }
@@ -179,4 +185,7 @@ if [ "${use_pip}" = "true" ]; then
     fi
 fi
 
-echo "Done!"
\ No newline at end of file
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+echo "Done!"
diff --git a/src/common-utils/devcontainer-feature.json b/src/common-utils/devcontainer-feature.json
index e916135..c5f8621 100644
--- a/src/common-utils/devcontainer-feature.json
+++ b/src/common-utils/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "common-utils",
-    "version": "1.1.2",
+    "version": "1.1.3",
     "name": "Common Debian Utilities",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/common-utils",
     "description": "Installs a set of common command line utilities, Oh My Zsh!, and sets up a non-root user.",
diff --git a/src/common-utils/install.sh b/src/common-utils/install.sh
index 1170200..2d51a0b 100755
--- a/src/common-utils/install.sh
+++ b/src/common-utils/install.sh
@@ -9,6 +9,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 INSTALL_ZSH=${INSTALLZSH:-"true"}
 INSTALL_OH_MY_ZSH=${INSTALLOHMYZSH:-"true"}
 UPGRADE_PACKAGES=${UPGRADEPACKAGES:-"true"}
@@ -60,8 +63,10 @@ export DEBIAN_FRONTEND=noninteractive
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Run install apt-utils to avoid debconf warning then verify presence of other common developer tools and dependencies
@@ -447,4 +452,7 @@ echo -e "\
     RC_SNIPPET_ALREADY_ADDED=${RC_SNIPPET_ALREADY_ADDED}\n\
     ZSH_ALREADY_INSTALLED=${ZSH_ALREADY_INSTALLED}" > "${MARKER_FILE}"
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/conda/devcontainer-feature.json b/src/conda/devcontainer-feature.json
index 1aa69a2..2c9c769 100644
--- a/src/conda/devcontainer-feature.json
+++ b/src/conda/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "conda",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "name": "Conda",
     "description": "A cross-platform, language-agnostic binary package manager",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/conda",
diff --git a/src/conda/install.sh b/src/conda/install.sh
index 89d2fcb..9b51bbd 100644
--- a/src/conda/install.sh
+++ b/src/conda/install.sh
@@ -14,6 +14,9 @@ CONDA_DIR="/opt/conda"
 set -eux
 export DEBIAN_FRONTEND=noninteractive
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -50,12 +53,11 @@ fi
 # Checks if packages are installed and installs them if not
 check_packages() {
     if ! dpkg -s "$@" > /dev/null 2>&1; then
-        apt-get update -y
+        if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+            echo "Running apt-get update..."
+            apt-get update -y
+        fi
         apt-get -y install --no-install-recommends "$@"
-
-        # Clean up
-        apt-get clean -y
-        rm -rf /var/lib/apt/lists/*
     fi
 }
 
@@ -73,6 +75,7 @@ if ! conda --version &> /dev/null ; then
 
     curl -sS https://repo.anaconda.com/pkgs/misc/gpgkeys/anaconda.asc | gpg --dearmor > /usr/share/keyrings/conda-archive-keyring.gpg
     echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/conda-archive-keyring.gpg] https://repo.anaconda.com/pkgs/misc/debrepo/conda stable main" > /etc/apt/sources.list.d/conda.list
+    apt-get update -y
 
     CONDA_PKG="conda=${VERSION}-0"
     if [ "${VERSION}" = "latest" ]; then
@@ -123,4 +126,7 @@ if [ -f "/etc/bash.bashrc" ]; then
     echo "${notice_script}" | tee -a /etc/bash.bashrc
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/desktop-lite/devcontainer-feature.json b/src/desktop-lite/devcontainer-feature.json
index a6382a0..7b2a5c2 100644
--- a/src/desktop-lite/devcontainer-feature.json
+++ b/src/desktop-lite/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "desktop-lite",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "name": "Light-weight Desktop",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/desktop-lite",
     "description": "Adds a lightweight Fluxbox based desktop to the container that can be accessed using a VNC viewer or the web. GUI-based commands executed from the built-in VS code terminal will open on the desktop automatically.",
diff --git a/src/desktop-lite/install.sh b/src/desktop-lite/install.sh
index b05896c..dc8ee39 100755
--- a/src/desktop-lite/install.sh
+++ b/src/desktop-lite/install.sh
@@ -63,6 +63,9 @@ package_list_additional="
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -151,8 +154,10 @@ copy_fluxbox_config() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -176,7 +181,7 @@ apt_get_update
 if [[ -z $(apt-cache --names-only search ^tilix$) ]]; then
     . /etc/os-release
     if [ "${ID}" = "ubuntu" ]; then
-        apt-get install -y --no-install-recommends apt-transport-https software-properties-common
+        check_packages apt-transport-https software-properties-common
         add-apt-repository -y ppa:webupd8team/terminix
     elif [ "${VERSION_CODENAME}" = "stretch" ]; then
         echo "deb http://deb.debian.org/debian stretch-backports main" > /etc/apt/sources.list.d/stretch-backports.list
@@ -232,9 +237,7 @@ if [ "${INSTALL_NOVNC}" = "true" ] && [ ! -d "/usr/local/novnc" ]; then
     rm -f /tmp/websockify-install.zip /tmp/novnc-install.zip
 
     # Install noVNC dependencies and use them.
-    if ! dpkg -s python3-minimal python3-numpy > /dev/null 2>&1; then
-        apt-get -y install --no-install-recommends python3-minimal python3-numpy
-    fi
+    check_packages python3-minimal python3-numpy
     sed -i -E 's/^python /python3 /' /usr/local/novnc/websockify-${WEBSOCKETIFY_VERSION}/run
 fi
 
@@ -387,6 +390,9 @@ if [ "${USERNAME}" != "root" ]; then
     chown -R ${USERNAME} /home/${USERNAME}/.Xmodmap /home/${USERNAME}/.fluxbox
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 cat << EOF
 
 
diff --git a/src/docker-from-docker/devcontainer-feature.json b/src/docker-from-docker/devcontainer-feature.json
index 119ef3a..866f176 100644
--- a/src/docker-from-docker/devcontainer-feature.json
+++ b/src/docker-from-docker/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "docker-from-docker",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "name": "Docker (Docker-from-Docker)",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/docker-from-docker",
     "descripton": "Re-use the host docker socket, adding the Docker CLI to a container. Feature invokes a script to enable using a forwarded Docker socket within a container to run Docker commands.",
diff --git a/src/docker-from-docker/install.sh b/src/docker-from-docker/install.sh
index 312e283..d128ab9 100755
--- a/src/docker-from-docker/install.sh
+++ b/src/docker-from-docker/install.sh
@@ -22,6 +22,9 @@ DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES="buster bullseye bionic focal hirsute
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -61,8 +64,10 @@ get_common_setting() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -113,8 +118,7 @@ export DEBIAN_FRONTEND=noninteractive
 # Install dependencies
 check_packages apt-transport-https curl ca-certificates gnupg2 dirmngr
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install git
+    check_packages git
 fi
 
 # Source /etc/os-release to get OS info
@@ -206,10 +210,7 @@ else
     fi
     if [ "${TARGET_COMPOSE_ARCH}" != "x86_64" ]; then
         # Use pip to get a version that runns on this architecture
-        if ! dpkg -s python3-minimal python3-pip libffi-dev python3-venv > /dev/null 2>&1; then
-            apt_get_update
-            apt-get -y install python3-minimal python3-pip libffi-dev python3-venv
-        fi
+        check_packages python3-minimal python3-pip libffi-dev python3-venv
         export PIPX_HOME=/usr/local/pipx
         mkdir -p ${PIPX_HOME}
         export PIPX_BIN_DIR=/usr/local/bin
@@ -255,6 +256,8 @@ fi
 
 # If init file already exists, exit
 if [ -f "/usr/local/share/docker-init.sh" ]; then
+    # Clean up
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 echo "docker-init doesnt exist, adding..."
@@ -269,6 +272,8 @@ fi
 if [ "${ENABLE_NONROOT_DOCKER}" = "false" ] || [ "${USERNAME}" = "root" ]; then
     echo -e '#!/usr/bin/env bash\nexec "$@"' > /usr/local/share/docker-init.sh
     chmod +x /usr/local/share/docker-init.sh
+    # Clean up
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 
@@ -281,10 +286,7 @@ DOCKER_GID="$(grep -oP '^docker:x:\K[^:]+' /etc/group)"
 
 # If enabling non-root access and specified user is found, setup socat and add script
 chown -h "${USERNAME}":root "${TARGET_SOCKET}"        
-if ! dpkg -s socat > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install socat
-fi
+check_packages socat
 tee /usr/local/share/docker-init.sh > /dev/null \
 << EOF 
 #!/usr/bin/env bash
@@ -346,4 +348,8 @@ exec "\$@"
 EOF
 chmod +x /usr/local/share/docker-init.sh
 chown ${USERNAME}:root /usr/local/share/docker-init.sh
+
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/docker-in-docker/devcontainer-feature.json b/src/docker-in-docker/devcontainer-feature.json
index 8538b46..5ed236c 100644
--- a/src/docker-in-docker/devcontainer-feature.json
+++ b/src/docker-in-docker/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "docker-in-docker",
-    "version": "1.0.5",
+    "version": "1.0.6",
     "name": "Docker (Docker-in-Docker)",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/docker-in-docker",
     "description": "Create child containers *inside* a container, independent from the host's docker instance. Installs Docker extension in the container along with needed CLIs.",
diff --git a/src/docker-in-docker/install.sh b/src/docker-in-docker/install.sh
index afcdc1a..edcc221 100755
--- a/src/docker-in-docker/install.sh
+++ b/src/docker-in-docker/install.sh
@@ -23,6 +23,9 @@ DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES="buster bullseye bionic focal hirsute
 # Default: Exit on any failure.
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 # Setup STDERR.
 err() {
     echo "(!) $*" >&2
@@ -72,8 +75,10 @@ get_common_setting() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -154,8 +159,7 @@ fi
 # Install dependencies
 check_packages apt-transport-https curl ca-certificates pigz iptables gnupg2 dirmngr
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install git
+    check_packages git
 fi
 
 # Swap to legacy iptables for compatibility
@@ -249,10 +253,7 @@ else
     fi
     if [ "${target_compose_arch}" != "x86_64" ]; then
         # Use pip to get a version that runs on this architecture
-        if ! dpkg -s python3-minimal python3-pip libffi-dev python3-venv > /dev/null 2>&1; then
-            apt_get_update
-            apt-get -y install python3-minimal python3-pip libffi-dev python3-venv
-        fi
+        check_packages python3-minimal python3-pip libffi-dev python3-venv
         export PIPX_HOME=/usr/local/pipx
         mkdir -p ${PIPX_HOME}
         export PIPX_BIN_DIR=/usr/local/bin
@@ -299,6 +300,8 @@ fi
 # If init file already exists, exit
 if [ -f "/usr/local/share/docker-init.sh" ]; then
     echo "/usr/local/share/docker-init.sh already exists, so exiting."
+    # Clean up
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 echo "docker-init doesnt exist, adding..."
@@ -398,4 +401,7 @@ EOF
 chmod +x /usr/local/share/docker-init.sh
 chown ${USERNAME}:root /usr/local/share/docker-init.sh
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo 'docker-in-docker-debian script has completed!'
diff --git a/src/dotnet/devcontainer-feature.json b/src/dotnet/devcontainer-feature.json
index 5d9b0f3..2d261eb 100644
--- a/src/dotnet/devcontainer-feature.json
+++ b/src/dotnet/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "dotnet",
-    "version": "1.0.6",
+    "version": "1.0.7",
     "name": "Dotnet CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/dotnet",
     "description": "Installs the .NET CLI. Provides option of installing sdk or runtime, and option of versions to install. Uses latest version of .NET sdk as defaults to install.",
diff --git a/src/dotnet/install.sh b/src/dotnet/install.sh
index d9399ca..fe4f58d 100755
--- a/src/dotnet/install.sh
+++ b/src/dotnet/install.sh
@@ -30,6 +30,11 @@ DOTNET_VERSION_CODENAMES_REQUIRE_OLDER_LIBSSL_1="buster bullseye bionic focal hi
 # alongside DOTNET_VERSION, but not set as default.
 ADDITIONAL_VERSIONS=${ADDITIONALVERSIONS:-""}
 
+set -e
+
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 # Setup STDERR.
 err() {
     echo "(!) $*" >&2
@@ -109,8 +114,10 @@ updaterc() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Check if packages are installed and installs them if not.
@@ -463,4 +470,7 @@ if [ "${CHANGE_OWNERSHIP}" = "true" ]; then
     find "${TARGET_DOTNET_ROOT}" -type d -print0 | xargs -n 1 -0 chmod g+s
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/git-lfs/devcontainer-feature.json b/src/git-lfs/devcontainer-feature.json
index 0f075ca..f67376e 100644
--- a/src/git-lfs/devcontainer-feature.json
+++ b/src/git-lfs/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "git-lfs",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "name": "Git Large File Support (LFS)",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/git-lfs",
     "description": "Installs Git Large File Support (Git LFS) along with needed dependencies. Useful for base Dockerfiles that often are missing required install dependencies like git and curl.",
diff --git a/src/git-lfs/install.sh b/src/git-lfs/install.sh
index d88a379..f24ed92 100755
--- a/src/git-lfs/install.sh
+++ b/src/git-lfs/install.sh
@@ -19,6 +19,9 @@ keyserver hkp://keyserver.pgp.com"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -107,8 +110,10 @@ receive_gpg_keys() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -178,8 +183,7 @@ export DEBIAN_FRONTEND=noninteractive
 . /etc/os-release
 check_packages curl ca-certificates gnupg2 dirmngr apt-transport-https
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 if [ "${ID}" = "debian" ]; then
     check_packages debian-archive-keyring
@@ -199,4 +203,7 @@ if [ "${use_github}" = "true" ]; then
     install_using_github
 fi
 
-echo "Done!"
\ No newline at end of file
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+echo "Done!"
diff --git a/src/git/devcontainer-feature.json b/src/git/devcontainer-feature.json
index 6f0e717..c39ffbd 100644
--- a/src/git/devcontainer-feature.json
+++ b/src/git/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "git",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "name": "Git (from source)",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/git",
     "description": "Install an up-to-date version of Git, built from source as needed. Useful for when you want the latest and greatest features. Auto-detects latest stable version and installs needed dependencies.",
diff --git a/src/git/install.sh b/src/git/install.sh
index 507599e..153b4e1 100755
--- a/src/git/install.sh
+++ b/src/git/install.sh
@@ -17,6 +17,9 @@ keyserver hkp://keyserver.pgp.com"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -76,8 +79,10 @@ receive_gpg_keys() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -96,12 +101,16 @@ export DEBIAN_FRONTEND=noninteractive
 # If the os provided version is "good enough", just install that.
 if [ ${GIT_VERSION} = "os-provided" ] || [ ${GIT_VERSION} = "system" ]; then
     if type git > /dev/null 2>&1; then
-      echo "Detected existing system install: $(git version)"
-      exit 0
+        echo "Detected existing system install: $(git version)"
+        # Clean up
+        rm -rf /var/lib/apt/lists/*
+        exit 0
     fi
 
     echo "Installing git from OS apt repository"
     check_packages git
+    # Clean up
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 
@@ -114,6 +123,7 @@ if ([ "${GIT_VERSION}" = "latest" ] || [ "${GIT_VERSION}" = "lts" ] || [ "${GIT_
     apt-get update
     apt-get -y install --no-install-recommends git 
     rm -rf "/tmp/tmp-gnupg"
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 
@@ -143,4 +153,5 @@ echo "Building..."
 cd /tmp/git-${GIT_VERSION}
 make -s prefix=/usr/local all && make -s prefix=/usr/local install 2>&1
 rm -rf /tmp/git-${GIT_VERSION}
+rm -rf /var/lib/apt/lists/*
 echo "Done!"
diff --git a/src/github-cli/devcontainer-feature.json b/src/github-cli/devcontainer-feature.json
index 597291d..3108a69 100644
--- a/src/github-cli/devcontainer-feature.json
+++ b/src/github-cli/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "github-cli",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "name": "GitHub CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/github-cli",
     "description": "Installs the GitHub CLI. Auto-detects latest version and installs needed dependencies.",
diff --git a/src/github-cli/install.sh b/src/github-cli/install.sh
index 22ed040..5f59d01 100755
--- a/src/github-cli/install.sh
+++ b/src/github-cli/install.sh
@@ -17,6 +17,9 @@ keyserver hkp://keyserver.pgp.com"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -141,8 +144,10 @@ receive_gpg_keys() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -209,8 +214,7 @@ export DEBIAN_FRONTEND=noninteractive
 # Install curl, apt-transport-https, curl, gpg, or dirmngr, git if missing
 check_packages curl ca-certificates apt-transport-https dirmngr gnupg2
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 
 # Soft version matching
@@ -236,3 +240,6 @@ else
     rm -rf "/tmp/gh/gnupg"
     echo "Done!"
 fi
+
+# Clean up
+rm -rf /var/lib/apt/lists/*
diff --git a/src/go/devcontainer-feature.json b/src/go/devcontainer-feature.json
index 3c532bb..76e5bf1 100644
--- a/src/go/devcontainer-feature.json
+++ b/src/go/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "go",
-    "version": "1.0.7",
+    "version": "1.0.8",
     "name": "Go",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/go",
     "description": "Installs Go and common Go utilities. Auto-detects latest version and installs needed dependencies.",
diff --git a/src/go/install.sh b/src/go/install.sh
index 86bdbc6..9bb8047 100755
--- a/src/go/install.sh
+++ b/src/go/install.sh
@@ -19,6 +19,9 @@ GO_GPG_KEY_URI="https://dl.google.com/linux/linux_signing_key.pub"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -97,8 +100,10 @@ get_common_setting() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -114,8 +119,7 @@ export DEBIAN_FRONTEND=noninteractive
 # Install curl, tar, git, other dependencies if missing
 check_packages curl ca-certificates gnupg2 tar g++ gcc libc6-dev make pkg-config
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 
 # Get closest match for version number specified
@@ -225,4 +229,7 @@ chmod -R g+r+w "${TARGET_GOROOT}" "${TARGET_GOPATH}"
 find "${TARGET_GOROOT}" -type d -print0 | xargs -n 1 -0 chmod g+s
 find "${TARGET_GOPATH}" -type d -print0 | xargs -n 1 -0 chmod g+s
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/hugo/devcontainer-feature.json b/src/hugo/devcontainer-feature.json
index 2303397..b08a51c 100644
--- a/src/hugo/devcontainer-feature.json
+++ b/src/hugo/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "hugo",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "name": "Hugo",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/hugo",
   "options": {
diff --git a/src/hugo/install.sh b/src/hugo/install.sh
index 62c0724..778b552 100755
--- a/src/hugo/install.sh
+++ b/src/hugo/install.sh
@@ -16,6 +16,9 @@ HUGO_DIR=${HUGO_DIR:-"/usr/local/hugo"}
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -63,8 +66,10 @@ updaterc() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -114,4 +119,7 @@ if ! hugo version &> /dev/null ; then
     find "${HUGO_DIR}" -type d -print0 | xargs -n 1 -0 chmod g+s
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/java/devcontainer-feature.json b/src/java/devcontainer-feature.json
index 3d8b8d8..7188929 100644
--- a/src/java/devcontainer-feature.json
+++ b/src/java/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "java",
-  "version": "1.0.9",
+  "version": "1.0.10",
   "name": "Java (via SDKMAN!)",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/java",
   "description": "Installs Java, SDKMAN! (if not installed), and needed dependencies.",
diff --git a/src/java/install.sh b/src/java/install.sh
index 838f782..d2f735d 100755
--- a/src/java/install.sh
+++ b/src/java/install.sh
@@ -24,6 +24,9 @@ ADDITIONAL_VERSIONS=${ADDITIONALVERSIONS:-""}
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -65,8 +68,10 @@ updaterc() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -176,4 +181,7 @@ if [[ "${INSTALL_MAVEN}" = "true" ]] && ! mvn --version > /dev/null; then
     sdk_install maven latest
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/kubectl-helm-minikube/devcontainer-feature.json b/src/kubectl-helm-minikube/devcontainer-feature.json
index 0aead19..19a665a 100644
--- a/src/kubectl-helm-minikube/devcontainer-feature.json
+++ b/src/kubectl-helm-minikube/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "kubectl-helm-minikube",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "name": "Kubectl, Helm, and Minkube",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/kubectl-helm-minikube",
     "description": "Installs latest version of kubectl, Helm, and optionally minikube. Auto-detects latest versions and installs needed dependencies.",
diff --git a/src/kubectl-helm-minikube/install.sh b/src/kubectl-helm-minikube/install.sh
index e9993a1..c961e56 100755
--- a/src/kubectl-helm-minikube/install.sh
+++ b/src/kubectl-helm-minikube/install.sh
@@ -9,6 +9,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 KUBECTL_VERSION="${VERSION:-"latest"}"
 HELM_VERSION="${HELM:-"latest"}"
 MINIKUBE_VERSION="${MINIKUBE:-"none"}" # latest is also valid
@@ -102,8 +105,10 @@ find_version_from_git_tags() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -120,8 +125,7 @@ export DEBIAN_FRONTEND=noninteractive
 # Install dependencies
 check_packages curl ca-certificates coreutils gnupg2 dirmngr bash-completion
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 
 architecture="$(uname -m)"
@@ -240,4 +244,7 @@ if ! type docker > /dev/null 2>&1; then
     echo -e '\n(*) Warning: The docker command was not found.\n\nYou can use one of the following scripts to install it:\n\nhttps://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/docker-in-docker.md\n\nor\n\nhttps://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/docker.md'
 fi
 
-echo -e "\nDone!"
\ No newline at end of file
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+echo -e "\nDone!"
diff --git a/src/node/devcontainer-feature.json b/src/node/devcontainer-feature.json
index 8f92365..09097e5 100644
--- a/src/node/devcontainer-feature.json
+++ b/src/node/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "node",
-    "version": "1.0.6",
+    "version": "1.0.7",
     "name": "Node.js (via nvm) and yarn",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/node",
     "description": "Installs Node.js, nvm, yarn, and needed dependencies.",
diff --git a/src/node/install.sh b/src/node/install.sh
index 6a237d6..2bdd21a 100755
--- a/src/node/install.sh
+++ b/src/node/install.sh
@@ -22,6 +22,9 @@ export NVM_VERSION="0.38.0"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -62,8 +65,10 @@ updaterc() {
 }
 
 apt_get_update() {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -109,6 +114,8 @@ if [ -d "${NVM_DIR}" ]; then
     if [ "${NODE_VERSION}" != "" ]; then
        su ${USERNAME} -c ". $NVM_DIR/nvm.sh && nvm install ${NODE_VERSION} && nvm clear-cache"
     fi
+    # Clean up
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 
@@ -187,4 +194,7 @@ fi
 
 find "${NVM_DIR}" -type d -print0 | xargs -n 1 -0 chmod g+s
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/nvidia-cuda/devcontainer-feature.json b/src/nvidia-cuda/devcontainer-feature.json
index 7ede271..6fa9aae 100644
--- a/src/nvidia-cuda/devcontainer-feature.json
+++ b/src/nvidia-cuda/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "nvidia-cuda",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "name": "NVIDIA CUDA",
   "description": "Installs shared libraries for NVIDIA CUDA.",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/nvidia-cuda",
diff --git a/src/nvidia-cuda/install.sh b/src/nvidia-cuda/install.sh
index f017ecb..9b41713 100644
--- a/src/nvidia-cuda/install.sh
+++ b/src/nvidia-cuda/install.sh
@@ -2,6 +2,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 INSTALL_CUDNN=${INSTALLCUDNN}
 INSTALL_NVTX=${INSTALLNVTX}
 CUDA_VERSION=${CUDAVERSION}
@@ -12,9 +15,23 @@ if [ "$(id -u)" -ne 0 ]; then
     exit 1
 fi
 
-# Install dependencies
-apt-get update -yq
-apt-get install -yq wget ca-certificates
+apt_get_update()
+{
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
+}
+
+# Checks if packages are installed and installs them if not
+check_packages() {
+    if ! dpkg -s "$@" > /dev/null 2>&1; then
+        apt_get_update
+        apt-get -y install --no-install-recommends "$@"
+    fi
+}
+
+check_packages wget ca-certificates
 
 # Add NVIDIA's package repository to apt so that we can download packages
 # Always use the ubuntu2004 repo because the other repos (e.g., debian11) are missing packages
@@ -55,4 +72,7 @@ if [ "$INSTALL_NVTX" = "true" ]; then
     apt-get install -yq "$nvtx_pkg"
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/oryx/devcontainer-feature.json b/src/oryx/devcontainer-feature.json
index 2e40e88..2abf1f2 100644
--- a/src/oryx/devcontainer-feature.json
+++ b/src/oryx/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "oryx",
-    "version": "1.0.6",
+    "version": "1.0.7",
     "name": "Oryx",
     "description": "Installs the oryx CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/oryx",
diff --git a/src/oryx/install.sh b/src/oryx/install.sh
index 826d916..f84cf22 100755
--- a/src/oryx/install.sh
+++ b/src/oryx/install.sh
@@ -12,6 +12,9 @@ MICROSOFT_GPG_KEYS_URI="https://packages.microsoft.com/keys/microsoft.asc"
 
 set -eu
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -53,19 +56,17 @@ function updaterc() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
 check_packages() {
     if ! dpkg -s "$@" > /dev/null 2>&1; then
         apt_get_update
-        DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends "$@"
-
-        # Clean up
-        apt-get clean -y
-        rm -rf /var/lib/apt/lists/*
+        apt-get -y install --no-install-recommends "$@"
     fi
 }
 
@@ -105,6 +106,8 @@ fi
 # If we don't already have Oryx installed, install it now.
 if  oryx --version > /dev/null ; then
     echo "oryx is already installed. Skipping installation."
+    # Clean up
+    rm -rf /var/lib/apt/lists/*
     exit 0
 fi
 
@@ -182,4 +185,7 @@ if [[ "${DOTNET_INSTALLATION_PACKAGE}" != "" ]]; then
     apt purge -yq $DOTNET_INSTALLATION_PACKAGE
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/php/devcontainer-feature.json b/src/php/devcontainer-feature.json
index 418162f..294c687 100644
--- a/src/php/devcontainer-feature.json
+++ b/src/php/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "php",
-    "version": "1.0.6",
+    "version": "1.0.7",
     "name": "PHP",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/php",
     "options": {
diff --git a/src/php/install.sh b/src/php/install.sh
index fdc374a..70b63da 100755
--- a/src/php/install.sh
+++ b/src/php/install.sh
@@ -8,6 +8,9 @@
 
 set -eux
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 VERSION=${VERSION:-"latest"}
 INSTALL_COMPOSER=${INSTALLCOMPOSER:-"true"}
 OVERRIDE_DEFAULT_VERSION=${OVERRIDEDEFAULTVERSION:-"true"}
@@ -73,7 +76,10 @@ updaterc() {
 # Checks if packages are installed and installs them if not
 check_packages() {
     if ! dpkg -s "$@" > /dev/null 2>&1; then
-        apt-get update
+        if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+            echo "Running apt-get update..."
+            apt-get update -y
+        fi
         apt-get -y install --no-install-recommends "$@"
     fi
 }
@@ -222,4 +228,7 @@ chown -R "${USERNAME}:php" "${PHP_DIR}"
 chmod -R g+r+w "${PHP_DIR}"
 find "${PHP_DIR}" -type d -print0 | xargs -n 1 -0 chmod g+s
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/powershell/devcontainer-feature.json b/src/powershell/devcontainer-feature.json
index 150cf26..41475c6 100644
--- a/src/powershell/devcontainer-feature.json
+++ b/src/powershell/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "powershell",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "name": "PowerShell",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/powershell",
     "description": "Installs PowerShell along with needed dependencies. Useful for base Dockerfiles that often are missing required install dependencies like gpg.",
diff --git a/src/powershell/install.sh b/src/powershell/install.sh
index 328ae93..ea3b6e8 100755
--- a/src/powershell/install.sh
+++ b/src/powershell/install.sh
@@ -9,6 +9,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 POWERSHELL_VERSION=${VERSION:-"latest"}
 
 MICROSOFT_GPG_KEYS_URI="https://packages.microsoft.com/keys/microsoft.asc"
@@ -74,8 +77,10 @@ get_common_setting() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -118,8 +123,7 @@ install_using_github() {
     # Fall back on direct download if no apt package exists in microsoft pool
     check_packages curl ca-certificates gnupg2 dirmngr libc6 libgcc1 libgssapi-krb5-2 libstdc++6 libunwind8 libuuid1 zlib1g libicu[0-9][0-9]
     if ! type git > /dev/null 2>&1; then
-        apt_get_update
-        apt-get install -y --no-install-recommends git
+        check_packages git
     fi
     if [ "${architecture}" = "amd64" ]; then
         architecture="x64"
@@ -161,4 +165,7 @@ if [ "${use_github}" = "true" ]; then
     install_using_github
 fi
 
-echo "Done!"
\ No newline at end of file
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+echo "Done!"
diff --git a/src/python/devcontainer-feature.json b/src/python/devcontainer-feature.json
index 0c90e0b..de65a8c 100644
--- a/src/python/devcontainer-feature.json
+++ b/src/python/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "python",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "name": "Python",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/python",
   "description": "Installs the provided version of Python, as well as PIPX, and other common Python utilities.  JupyterLab is conditionally installed with the python feature. Note: May require source code compilation.",
diff --git a/src/python/install.sh b/src/python/install.sh
index 3cf3a88..ac5eec6 100755
--- a/src/python/install.sh
+++ b/src/python/install.sh
@@ -34,6 +34,9 @@ keyserver hkp://keyserver.pgp.com"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -199,8 +202,10 @@ oryx_install() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -232,8 +237,7 @@ install_from_source() {
                 libbz2-dev libreadline-dev libxml2-dev xz-utils libgdbm-dev tk-dev dirmngr \
                 libxmlsec1-dev libsqlite3-dev libffi-dev liblzma-dev uuid-dev 
     if ! type git > /dev/null 2>&1; then
-        apt_get_update
-        apt-get -y install --no-install-recommends git
+        check_packages git
     fi
 
     # Find version using soft match
@@ -454,4 +458,7 @@ if [ "${INSTALL_JUPYTERLAB}" = "true" ]; then
     fi
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/ruby/devcontainer-feature.json b/src/ruby/devcontainer-feature.json
index 9e617d0..e2d909f 100644
--- a/src/ruby/devcontainer-feature.json
+++ b/src/ruby/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "ruby",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "name": "Ruby (via rvm)",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/ruby",
     "description": "Installs Ruby, rvm, rbenv, common Ruby utilities, and needed dependencies.",
@@ -31,4 +31,4 @@
         "MY_RUBY_HOME": "/usr/local/rvm/rubies/default",
         "PATH": "/usr/local/rvm/gems/default/bin:/usr/local/rvm/gems/default@global/bin:/usr/local/rvm/rubies/default/bin:/usr/local/share/rbenv/bin:${PATH}"
     }
-}
\ No newline at end of file
+}
diff --git a/src/ruby/install.sh b/src/ruby/install.sh
index 6ff3b2f..2228522 100755
--- a/src/ruby/install.sh
+++ b/src/ruby/install.sh
@@ -28,6 +28,9 @@ keyserver hkp://keyserver.pgp.com"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -154,8 +157,10 @@ find_version_from_git_tags() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -180,8 +185,7 @@ check_packages curl ca-certificates software-properties-common build-essential g
     procps dirmngr gawk autoconf automake bison libffi-dev libgdbm-dev libncurses5-dev \
     libsqlite3-dev libtool libyaml-dev pkg-config sqlite3 zlib1g-dev libgmp-dev libssl-dev
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 
 
@@ -301,4 +305,7 @@ find "/usr/local/rvm/" -type d | xargs -n 1 chmod g+s
 rvm cleanup all
 ${ROOT_GEM} cleanup
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
diff --git a/src/rust/devcontainer-feature.json b/src/rust/devcontainer-feature.json
index e843f22..5fb1049 100644
--- a/src/rust/devcontainer-feature.json
+++ b/src/rust/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "rust",
-    "version": "1.0.6",
+    "version": "1.0.7",
     "name": "Rust",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/rust",
     "description": "Installs Rust, common Rust utilities, and their required dependencies",
diff --git a/src/rust/install.sh b/src/rust/install.sh
index d8d3b74..e7cfb71 100755
--- a/src/rust/install.sh
+++ b/src/rust/install.sh
@@ -18,6 +18,9 @@ UPDATE_RUST=${UPDATE_RUST:-"false"}
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -127,8 +130,18 @@ updaterc() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
+}
+
+# Checks if packages are installed and installs them if not
+check_packages() {
+    if ! dpkg -s "$@" >/dev/null 2>&1; then
+        apt_get_update
+        apt-get -y install --no-install-recommends "$@"
+    fi
 }
 
 export DEBIAN_FRONTEND=noninteractive
@@ -170,8 +183,7 @@ else
     if [ "${RUST_VERSION}" != "latest" ] && [ "${RUST_VERSION}" != "lts" ] && [ "${RUST_VERSION}" != "stable" ]; then
         # Find version using soft match
         if ! type git > /dev/null 2>&1; then
-            apt_get_update
-            apt-get -y install --no-install-recommends git
+            check_packages git
         fi
 
         is_nightly=0
@@ -215,5 +227,8 @@ EOF
 # Make files writable for rustlang group
 chmod -R g+r+w "${RUSTUP_HOME}" "${CARGO_HOME}"
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"
 
diff --git a/src/sshd/devcontainer-feature.json b/src/sshd/devcontainer-feature.json
index 518c35b..24c4ba6 100644
--- a/src/sshd/devcontainer-feature.json
+++ b/src/sshd/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "sshd",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "name": "SSH server",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/sshd",
     "description": "Adds a SSH server into a container so that you can use an external terminal, sftp, or SSHFS to interact with it.",
diff --git a/src/sshd/install.sh b/src/sshd/install.sh
index 25b8859..a93b927 100755
--- a/src/sshd/install.sh
+++ b/src/sshd/install.sh
@@ -17,6 +17,9 @@ FIX_ENVIRONMENT=${FIX_ENVIRONMENT:-"true"}
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -41,8 +44,10 @@ fi
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -166,4 +171,8 @@ echo -e "Done!\n\n- Port: ${SSHD_PORT}\n- User: ${USERNAME}"
 if [ "${EMIT_PASSWORD}" = "true" ]; then
     echo "- Password: ${NEW_PASSWORD}"
 fi
-echo -e "\nForward port ${SSHD_PORT} to your local machine and run:\n\n  ssh -p ${SSHD_PORT} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o GlobalKnownHostsFile=/dev/null ${USERNAME}@localhost\n"
\ No newline at end of file
+
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+echo -e "\nForward port ${SSHD_PORT} to your local machine and run:\n\n  ssh -p ${SSHD_PORT} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o GlobalKnownHostsFile=/dev/null ${USERNAME}@localhost\n"
diff --git a/src/terraform/devcontainer-feature.json b/src/terraform/devcontainer-feature.json
index 4ace245..cafa3db 100644
--- a/src/terraform/devcontainer-feature.json
+++ b/src/terraform/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "terraform",
-    "version": "1.0.5",
+    "version": "1.0.6",
     "name": "Terraform, tflint, and TFGrunt",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/terraform",
     "description": "Installs the Terraform CLI and optionally TFLint and Terragrunt. Auto-detects latest version and installs needed dependencies.",
diff --git a/src/terraform/install.sh b/src/terraform/install.sh
index 358b8b2..fc523b8 100755
--- a/src/terraform/install.sh
+++ b/src/terraform/install.sh
@@ -9,6 +9,9 @@
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 TERRAFORM_VERSION="${VERSION:-"latest"}"
 TFLINT_VERSION="${TFLINT:-"latest"}"
 TERRAGRUNT_VERSION="${TERRAGRUNT:-"latest"}"
@@ -124,8 +127,10 @@ find_version_from_git_tags() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -142,8 +147,7 @@ export DEBIAN_FRONTEND=noninteractive
 # Install dependencies if missing
 check_packages curl ca-certificates gnupg2 dirmngr coreutils unzip
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 
 # Verify requested version is available, convert latest
@@ -209,4 +213,8 @@ if [ "${TERRAGRUNT_VERSION}" != "none" ]; then
 fi
 
 rm -rf /tmp/tf-downloads ${GNUPGHOME}
+
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 echo "Done!"