Elixir Devcontainer

devcontainer.json

// For format details, see https://aka.ms/devcontainer.json
{
	"name": "Default Linux Universal",
	"build": {
		"dockerfile": "Dockerfile"
	},
	"features": {
		"ghcr.io/devcontainers/features/common-utils:2": {
			"upgradePackages": true,
			"nonFreePackages": true,
			"username": "codespace",
			"userUid": "automatic",
			"userGid": "automatic"
		},
		"ghcr.io/devcontainers/features/sshd:1": {
			"version": "latest"
		},
		"ghcr.io/devcontainers/features/git:1": {
			"version": "latest",
			"ppa": "false"
		},
		"ghcr.io/devcontainers/features/github-cli:1": {
			"version": "latest"
		}
	},
	"overrideFeatureInstallOrder": [
		"ghcr.io/devcontainers/features/common-utils",
		"ghcr.io/devcontainers/features/git",
		"ghcr.io/devcontainers/features/sshd",
		"ghcr.io/devcontainers/features/github-cli",
		"ghcr.io/stuartleeks/dev-container-features/shell-history:0"
	],
	"remoteUser": "codespace",
	"containerUser": "codespace",
	"updateRemoteUserUID": true,
	"workspaceMount": "",
	"runArgs": [
		"--volume=${localWorkspaceFolder}:/workspaces/${localWorkspaceFolderBasename}:Z"
	],
	"customizations": {
		"settings": {
			"remote.containers.copyGitConfig": true
		},
		"vscode": {
			"extensions": [
				"eamodio.gitlens",
				"eduarbo.relative-file-navigator",
				"GitHub.copilot-chat",
				"GitHub.copilot",
				"github.vscode-github-actions",
				"github.vscode-pull-request-github",
				"JakeBecker.elixir-ls",
				"ms-azuretools.vscode-docker",
				"ow.vscode-subword-navigation",
				"samuel-pordeus.elixir-test"
			],
			"settings": {
				"terminal.integrated.defaultProfile.linux": "fish",
				"terminal.integrated.profiles.linux": {
					"zsh": {
						"path": "/bin/fish"
					}
				}
			}
		}
	}
}

Dockerfile

FROM elixir:1.17-otp-27

LABEL org.opencontainers.image.description="Elixir devcontainer for VSCode or Codespaces"

# Avoid warnings by switching to noninteractive
ENV DEBIAN_FRONTEND=noninteractive
ENV LANG="C.UTF-8"

# Install basic build tools
RUN apt-get update \
    && apt-get upgrade -y \
    && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    gettext \
    inotify-tools \
    make \
    unzip

# Switch back to dialog for any ad-hoc use of apt-get
ENV DEBIAN_FRONTEND=dialog

# Mount for docker-in-docker 
VOLUME [ "/var/lib/docker" ]

# Fire Docker/Moby script if needed
ENTRYPOINT [ "/usr/local/share/docker-init.sh", "/usr/local/share/ssh-init.sh"]
CMD [ "sleep", "infinity" ]