main.yml

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