main.yml

name: Build and Upload Release

on:
   push:
      tags:
         - 'v**'

   # Allow running manually from the actions tab
   workflow_dispatch:

env:
   # See: https://docs.github.com/en/packages/managing-github-packages-using-github-actions-workflows/publishing-and-installing-a-package-with-github-actions#upgrading-a-workflow-that-accesses-ghcrio
   IMAGE_NAME: 5etools-img

concurrency:
   group: "release"
   cancel-in-progress: true

jobs:
   create-release:
      runs-on: ubuntu-latest
      steps:
         -  uses: actions/checkout@master

         -  name: Archive Images
            run: |
               rm -rf docker Dockerfile
               mkdir -p img
               ls | grep -v img | xargs mv -t img
               zip -r -s 500m img-${{ github.ref_name }}.zip img/

         -  name: Upload Release
            # Add the files one-by-one in an effort to avoid timeouts
            # Sleep between creating the release and adding files, as the release takes time to be created (?)
            run: |
               gh release create "${{github.ref_name}}" --title "${{github.ref_name}}" --notes "Version ${{ github.ref_name }}"
               sleep 10
               for f in $(find . -name 'img-${{ github.ref_name }}.*' -print); do gh release upload ${{ github.ref_name }} $f; done
            env:
               GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

   create-image:
      runs-on: ubuntu-latest
      steps:
         -  uses: actions/checkout@master

         # See: https://stackoverflow.com/a/58178121
         -  name: Set Env
            run: |
               IMAGE_VERSION=${{ github.ref_name }}
               # Strip "v" prefix from tag name
               [[ "${{ github.ref }}" == "refs/tags/"* ]] && IMAGE_VERSION=$(echo $IMAGE_VERSION | sed -e 's/^v//')
               echo "IMAGE_VERSION=$IMAGE_VERSION" >> $GITHUB_ENV

               echo "IMAGE_ID=$(echo ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME | tr '[A-Z]' '[a-z]')" >> $GITHUB_ENV

         # region See: https://docs.github.com/en/packages/managing-github-packages-using-github-actions-workflows/publishing-and-installing-a-package-with-github-actions#upgrading-a-workflow-that-accesses-ghcrio
         -  name: Build Image
            run: |
               docker build -t $IMAGE_NAME .

         -  name: Log In to Registry
            run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

         -  name: Push Image
            run: |
               echo IMAGE_ID=$IMAGE_ID
               echo IMAGE_VERSION=$IMAGE_VERSION
               docker tag $IMAGE_NAME $IMAGE_ID:$IMAGE_VERSION
               # Always tag latest when pushing a tag, as we don't expect to ever merge old tags
               [[ "${{ github.ref }}" == "refs/tags/"* ]] && docker tag $IMAGE_NAME $IMAGE_ID:latest
               docker push $IMAGE_ID:$IMAGE_VERSION
               docker push $IMAGE_ID:latest
         # endregion