name: Build docker images

on:
  push:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Node.js
        uses: actions/setup-node@v2
        with:
          node-version: '18'

      - name: Set up QEMU
        id: qemu
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract version from Cargo.toml
        shell: bash
        run: |
          echo "EW_VERSION=$(grep "^version" Cargo.toml | sed -E 's/version\s*=\s*["]([^"]*)["]/\1/')" >> $GITHUB_ENV

      - name: Log in to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Calculate docker image tag
        id: set-tag
        uses: docker/metadata-action@master
        with:
          images: |
            docker.io/ethanaobrien/ew            
          flavor: |
            latest=false            
          tags: |
            type=raw,value=latest

      - name: Build and push all platforms
        id: build-and-push
        uses: docker/build-push-action@v6
        with:
          push: true
          labels: |
            gitsha1=${{ github.sha }}
            org.opencontainers.image.version=${{ env.EW_VERSION }}
          tags: "${{ steps.set-tag.outputs.tags }}"
          file: "docker/Dockerfile"
          platforms: linux/amd64,linux/arm64

          # arm64 builds OOM without the git fetch setting. c.f.
          # https://github.com/rust-lang/cargo/issues/10583
          build-args: |
            CARGO_NET_GIT_FETCH_WITH_CLI=true