---
name: "Build container"

on:
  push:
    branches:
      - main
    tags:
      - "v*.*.*"


jobs:
  containerization:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: amd64
          - arch: arm64
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      
      - name: Install buildah
        run: sudo apt update && sudo apt install -y podman buildah qemu-user-static

      - name: Set version tag (only if triggered by pushing a tag)
        if: startsWith(github.ref, 'refs/tags/v')
        run: echo "TAG=${GITHUB_REF##*/}" >> $GITHUB_ENV

      - name: Set latest tag (only if triggered by pushing to the main branch)
        if: github.ref == 'main'
        run: echo "TAG=latest" >> $GITHUB_ENV
      
      - name: Set action link variable
        run: echo "LINK=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID" >> $GITHUB_ENV

      - name: Login in gchr registry
        run: buildah login --username ${{ github.repository_owner }} --password ${{ secrets.GITHUB_TOKEN }} ghcr.io

      - name: Build an image
        run: |
          buildah bud -t ghcr.io/${{ github.repository }}:${{ github.sha }}-${{ matrix.arch }} \
            --label action_id=${{ github.action }} \
            --label action_link=${{ env.LINK }} \
            --label actor=${{ github.actor }} \
            --label sha=${{ github.sha }} \
            --label ref=${{ github.ref }} \
            .