{
  "id": "docker-in-docker",
  "version": "2.16.1",
  "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"
    },
    "mobyBuildxVersion": {
      "type": "string",
      "default": "latest",
      "description": "Install a specific version of moby-buildx when using Moby"
    },
    "dockerDashComposeVersion": {
      "type": "string",
      "enum": [
        "none",
        "v1",
        "v2"
      ],
      "default": "v2",
      "description": "Default version of Docker Compose (v1, 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"
    },
    "installDockerComposeSwitch": {
      "type": "boolean",
      "default": false,
      "description": "Install Compose Switch (provided docker compose is available) which is a replacement to the Compose V1 docker-compose (python) executable. It translates the command line into Compose V2 docker compose then runs the latter."
    },
    "disableIp6tables": {
      "type": "boolean",
      "default": false,
      "description": "Disable ip6tables (this option is only applicable for Docker versions 27 and greater)"
    }
  },
  "entrypoint": "/usr/local/share/docker-init.sh",
  "privileged": true,
  "containerEnv": {
    "DOCKER_BUILDKIT": "1"
  },
  "customizations": {
    "vscode": {
      "extensions": [
        "ms-azuretools.vscode-containers"
      ],
      "settings": {
        "github.copilot.chat.codeGeneration.instructions": [
          {
            "text": "This dev container includes the Docker CLI (`docker`) pre-installed and available on the `PATH` for running and managing containers using a dedicated Docker daemon running inside the dev container."
          }
        ]
      }
    }
  },
  "mounts": [
    {
      "source": "dind-var-lib-docker-${devcontainerId}",
      "target": "/var/lib/docker",
      "type": "volume"
    }
  ],
  "installsAfter": [
    "ghcr.io/devcontainers/features/common-utils"
  ]
}