docker_pr_publish.yml

name: DockerPRPublish

on:
  pull_request:

jobs:
  DockerPRPublish:
    if: "! github.event.pull_request.head.repo.fork "
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Determine version
        env:
          PR_NUMBER: ${{ github.event.number }}
        run: |
          echo "I found version: ${{ env.PR_NUMBER }}"
          echo "VERSION=${{ env.PR_NUMBER }}" >> $GITHUB_ENV

      - name: Build backend
        run: |
          cd backend
          docker build -t ghcr.io/${{ github.repository_owner }}/masz_backend_pr:${{ env.VERSION }} .

      - name: Build frontend
        run: |
          cd nginx
          docker build -t ghcr.io/${{ github.repository_owner }}/masz_nginx_pr:${{ env.VERSION }} .

      - name: Push images
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u zaanposni --password-stdin
          docker push ghcr.io/${{ github.repository_owner }}/masz_backend_pr:${{ env.VERSION }}
          docker push ghcr.io/${{ github.repository_owner }}/masz_nginx_pr:${{ env.VERSION }}

      - name: Calculate image sizes
        run: |
          SIZE_BACKEND=$(docker image inspect ghcr.io/${{ github.repository_owner }}/masz_backend_pr:${{ env.VERSION }} | jq -r '.[0].Size' | numfmt --to=si)
          SIZE_NGINX=$(docker image inspect ghcr.io/${{ github.repository_owner }}/masz_nginx_pr:${{ env.VERSION }} | jq -r '.[0].Size' | numfmt --to=si)
          echo "I found backend size: $SIZE_BACKEND"
          echo "I found nginx size: $SIZE_NGINX"
          echo "SIZE_BACKEND=$SIZE_BACKEND" >> $GITHUB_ENV
          echo "SIZE_NGINX=$SIZE_NGINX" >> $GITHUB_ENV

      - uses: actions/github-script@v5
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "🚀 Published `masz_backend_pr:${{ env.VERSION }}` with `${{ env.SIZE_BACKEND }}`.\n🚀 Published `masz_nginx_pr:${{ env.VERSION }}` with `${{ env.SIZE_NGINX }}`.\n\nUse these images to quickly test this PR.\nYou can also commit new changes to overwrite these images."
            })