build-image.yml

name: Build and release custom docker image
on:
  workflow_dispatch:
    inputs:
      app_name:
        description: 'Application name (must exists in `build` folder)'
        required: true
        type: string
      version:
        description: 'Version of application (must exists in `build/<app_name>` folder)'
        required: true
        type: string
  workflow_call:
    inputs:
      app_name:
        description: 'Application name (must exists in `build` folder)'
        required: true
        type: string
      version:
        description: 'Version of application (must exists in `build/<app_name>` folder)'
        required: true
        type: string
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: swiftwave-org/app-store/${{ inputs.app_name }}:${{ inputs.version }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v3
      - name: Set `platforms` variable
        run: |
          app_name=${{ inputs.app_name }}
          version=${{ inputs.version }}
          platforms=$(cat "./build/$app_name/$version/.platforms")
          echo "platforms=$platforms" >> $GITHUB_ENV
      - name: Install cosign
        uses: sigstore/cosign-installer@v3.5.0
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: ${{ env.platforms }}

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3

      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v5
        with:
          file: Dockerfile
          push: true
          context: "{{defaultContext}}:build/${{ inputs.app_name }}/${{ inputs.version }}"
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: ${{ env.platforms }}
          cache-from: type=gha
          cache-to: type=gha,mode=max