Initial commit

.github/workflows/main.yml

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+name: Build Elixir devcontainer image
+
+on:
+  push:
+
+env:
+  DOCKER_REGISTRY: ghcr.io
+  DOCKER_USERNAME: ${{ github.actor }}
+  DOCKER_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+  IMAGE_NAME: ghcr.io/blockscout/devcontainer-elixir
+
+jobs:
+  build-elixir:
+    name: Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.IMAGE_NAME }}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ env.DOCKER_USERNAME }}
+          password: ${{ env.DOCKER_PASSWORD }}
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          push: true
+          platforms: linux/amd64,linux/arm64
+          file: ./Dockerfile
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha

Dockerfile

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+ARG VARIANT="1.17.3-erlang-27.1-debian-bullseye-20240926"
+ARG PHOENIX_VERSION="1.7.10"
+ARG NODE_VERSION="18"
+FROM hexpm/elixir:${VARIANT}
+
+# This Dockerfile adds a non-root user with sudo access. Update the “remoteUser” property in
+# devcontainer.json to use it. More info: https://aka.ms/vscode-remote/containers/non-root-user.
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Options for common package install script
+ARG INSTALL_ZSH="true"
+ARG UPGRADE_PACKAGES="true"
+ARG COMMON_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/main/script-library/common-debian.sh"
+ARG COMMON_SCRIPT_SHA="dev-mode"
+
+# [Optional] Setup nodejs
+ARG NODE_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/main/script-library/node-debian.sh"
+ARG NODE_SCRIPT_SHA="dev-mode"
+ENV NVM_DIR=/usr/local/share/nvm
+ENV NVM_SYMLINK_CURRENT=true
+ENV PATH=${NVM_DIR}/current/bin:${PATH}
+
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+RUN apt-get update \
+  && export DEBIAN_FRONTEND=noninteractive \
+  && apt-get -y install --no-install-recommends curl ca-certificates 2>&1 \
+  && curl -sSL ${COMMON_SCRIPT_SOURCE} -o /tmp/common-setup.sh \
+  && ([ "${COMMON_SCRIPT_SHA}" = "dev-mode" ] || (echo "${COMMON_SCRIPT_SHA} */tmp/common-setup.sh" | sha256sum -c -)) \
+  && /bin/bash /tmp/common-setup.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" \
+  #
+  # [Optional] Install Node.js for use with web applications
+  && if [ "$NODE_VERSION" != "none" ]; then \
+  curl -sSL ${NODE_SCRIPT_SOURCE} -o /tmp/node-setup.sh \
+  && ([ "${NODE_SCRIPT_SHA}" = "dev-mode" ] || (echo "${NODE_SCRIPT_SHA} */tmp/node-setup.sh" | sha256sum -c -)) \
+  && /bin/bash /tmp/node-setup.sh "${NVM_DIR}" "${NODE_VERSION}" "${USERNAME}" \
+  && npm install -g cspell@latest; \
+  fi \
+  #
+  # Install dependencies
+  && apt-get install -y build-essential inotify-tools \
+  #
+  # Clean up
+  && apt-get autoremove -y \
+  && apt-get clean -y \
+  && rm -rf /var/lib/apt/lists/* /tmp/common-setup.sh /tmp/node-setup.sh
+
+RUN su ${USERNAME} -c "mix local.hex --force \
+  && mix local.rebar --force \
+  && mix archive.install --force hex phx_new ${PHOENIX_VERSION}"

README.md

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+Elixir based devcontainer image
+----
+
+This repo contains the docker file to build a docker image that can be used as a base for VSCode devcontainers.