path: root/src/docker-in-docker/devcontainer-feature.json

{
    "id": "docker-in-docker",
    "version": "2.3.1",
    "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.",
    "options": {
        "version": {
            "type": "string",
            "proposals": [
                "latest",
                "none",
                "20.10"
            ],
            "default": "latest",
            "description": "Select or enter a Docker/Moby Engine version. (Availability can vary by OS version.)"
        },
        "moby": {
            "type": "boolean",
            "default": true,
            "description": "Install OSS Moby build instead of Docker CE"
        },
        "dockerDashComposeVersion": {
            "type": "string",
            "enum": [
                "none",
                "v1",
                "v2"
            ],
            "default": "v1",
            "description": "Default version of Docker Compose (v1 or v2 or none)"
        },
        "azureDnsAutoDetection": {
            "type": "boolean",
            "default": true,
            "description": "Allow automatically setting the dockerd DNS server when the installation script detects it is running in Azure"
        },
        "dockerDefaultAddressPool": {
            "type": "string",
            "default": "",
            "proposals": [],
            "description": "Define default address pools for Docker networks. e.g. base=192.168.0.0/16,size=24"
        },
        "installDockerBuildx": {
            "type": "boolean",
            "default": true,
            "description": "Install Docker Buildx"
        }
    },
    "entrypoint": "/usr/local/share/docker-init.sh",
    "privileged": true,
    "containerEnv": {
        "DOCKER_BUILDKIT": "1"
    },
    "customizations": {
        "vscode": {
            "extensions": [
                "ms-azuretools.vscode-docker"
            ]
        }
    },
    "mounts": [
        {
            "source": "dind-var-lib-docker-${devcontainerId}",
            "target": "/var/lib/docker",
            "type": "volume"
        }
    ],
    "installsAfter": [
        "ghcr.io/devcontainers/features/common-utils"
    ]
}