docker.yaml

name: docker

on:
  push:
    branches:
      - "main"

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Read version from version.txt
        id: version
        run: |
          VERSION=$(cat version.txt | tr -d ' \n')
          echo "VERSION=$VERSION"
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Test naming
        run: echo "ghcr.io/${{ github.repository }}:latest"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          platforms: linux/amd64 #, linux/arm64 (build fails)
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:${{ steps.version.outputs.version }}
            ghcr.io/${{ github.repository }}:latest
          build-args: |
              APP_VERSION=${{ steps.version.outputs.version }}