Devcontainer with OCaml

Pre-installed OCaml with OCaml package manager (opam) for devcontainer. You can find the images in ghcr.io/chris-armstrong/ocaml-devcontainer.

Quickstart

Make a devcontainer setting file at .devcontainer/devcontainer.json in your project.

{
    "image": "ghcr.io/chris-armstrong/ocaml-devcontainer",
    "features": {
        "ghcr.io/devcontainers/features/common-utils:2": {
            "version": "latest"
        }
    },
    "customizations": {
        "vscode": {
            "extensions": [
                "ocamllabs.ocaml-platform"
            ]
        }
    },
    "remoteUser": "ocaml",
    "updateRemoteUserUID": true
}

Then, reopen in container.

Tags

Tags are named by <version>-<distribution>[-root].

• Images are tagged with its OCaml version. For example, latest tags mean that the image is created with the latest version of OCaml.
• There are various base OS distributions. available distributions are as follows:
  • debian: latest Debian (default)
  • ubuntu: latest Ubuntu LTS
• -root images come without non-root user ocaml.

Cross-compile Images

All images are cross-compiled with docker-buildx.

Requirements

Some system libraries for emulation are needed.

$ sudo apt-get update
$ sudo apt-get install -y binfmt-support qemu qemu-user-static

Compile

You can build images for linux/amd64 and linux/arm64 architectures with the following command.

$ docker buildx bake --push