name: Build

# Controls when the workflow will run
on:
  push:
    branches:
      - "main"
    tags:
      - "v*"
  pull_request:
    branches:
      - "main"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - # Get the repository's code
        name: Checkout
        uses: actions/checkout@v2
      - # https://github.com/vegardit/docker-gitea-act-runner/issues/23
        name: Fix docker sock permissions
        run: sudo chmod 666 /var/run/docker.sock
      - # https://github.com/docker/setup-qemu-action
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - # https://github.com/docker/setup-buildx-action
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - # https://github.com/docker/login-action
        name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          # Maybe there is a default env var for this?
          registry: git.maronato.dev
          username: ${{ github.repository_owner }}}
          # Ideally, we should only need to set "permissions: package: write", but
          # Gitea is having issues with that. For now, this is a manually created
          # token available user-wise, with the "package:write" permission.
          password: ${{ secrets.PACKAGE_WRITE_TOKEN }}
      - # https://github.com/docker/metadata-action
        # Generate tags and labels for the image
        # according to the commit and the branch
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          # The container image name needs the custom registry in it.
          # Maybe there is a default env var for this?
          images: git.maronato.dev/${{ github.repository }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
      - # httos://github.com/actions/cache
        name: Configure cache
        uses: actions/cache@v3
        with:
          path: |
            /go/pkg/mod/
            /tmp/.npm-cache
            /tmp/.go-build-cache
            /tmp/.buildx-cache
          key: ${{ runner.os }}-build-
          restore-keys: |
            ${{ runner.os }}-build-
      - # https://github.com/docker/build-push-action
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          build-args: |
            VERSION=${{ steps.meta.outputs.version }}
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          # cache-to: type=local,dest=/tmp/.buildx-cache,mode=max
          cache-to: type=local,dest=/tmp/.build-cache/buildx-new,mode=max
      - # "Temp" fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
        name: Move cache
        run: |
          rm -rf /tmp/.build-cache/buildx
          mv /tmp/.build-cache/buildx-new /tmp/.build-cache/buildx