docker.yml

name: Docker

# This will run when:
# - when new code is pushed to main/develop to push the tags
#   latest and develop
# - when a pull request is created and updated  to make sure the
#   Dockerfile is still valid.
# To be able to push to dockerhub, this execpts the following
# secrets to be set in the project:
# - DOCKERHUB_USERNAME : username that can push to the org
# - DOCKERHUB_PASSWORD : password asscoaited with the username
on:
  push:
    branches:
      - main
      - staging
      - expt

  pull_request:
  
  # Trigger the workflow on release activity
  release:
    # Only use the types keyword to narrow down the activity types that will trigger your workflow.
    types:
      - published
      - edited
      - created

# Certain actions will only run when this is the main repo.
env:
  MAIN_REPO: classtranscribe/pyapi
  DOCKERHUB_ORG: classtranscribe

jobs:
  docker:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        name:
          - ct-python
        include:
          - name: ct-python
            FOLDER: .
            IMAGE: ct-python

    steps:
      - uses: actions/checkout@v2

      # calculate some variables that are used later
      - name: github branch
        run: |
          if [ "${{ github.event.release.target_commitish }}" != "" ]; then
            BRANCH="${{ github.event.release.target_commitish }}"
          else
            BRANCH=${GITHUB_REF##*/}
          fi
          echo "GITHUB_BRANCH=${BRANCH}" >> $GITHUB_ENV
          
          # Commit was for main/release branch, build a new version
          if [ "$BRANCH" == "master" -o "$BRANCH" == "main" ]; then
            version="$(cat gui/package.json | jq -r .version)"
            echo "VERSION=$(version)" >> $GITHUB_ENV
            tags="latest"
            oldversion=""
            while [ "${oldversion}" != "${version}" ]; do
              oldversion="${version}"
              tags="${tags},${version}"
              version=${version%.*}
            done
            echo "TAGS=${tags}" >> $GITHUB_ENV
          else
            echo "VERSION=$BRANCH" >> $GITHUB_ENV
            echo "TAGS=$BRANCH" >> $GITHUB_ENV
          fi

      # build the docker image, this will always run to make sure
      # the Dockerfile still works.
      - name: Build image
        uses: elgohr/Publish-Docker-Github-Action@2.22
        env:
          BRANCH: ${{ env.GITHUB_BRANCH }}
          VERSION: ${{ env.VERSION }}
          BUILDNUMBER: ${{ github.run_number }}
          GITSHA1: ${{ github.sha  }}
        with:
          registry: docker.pkg.github.com
          name: ${{ github.repository_owner }}/${{ github.event.repository.name }}/${{ matrix.IMAGE }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
          context: ${{ matrix.FOLDER }}
          tags: "${{ env.TAGS }}"
          buildargs: BRANCH,VERSION,BUILDNUMBER,GITSHA1
          no_push: true

      # TODO: need publish permissions for ghcr.io
      # this will publish to github container registry
      #- name: Publish to GitHub
      #  if: github.event_name != 'pull_request' && github.repository == env.MAIN_REPO
      #  uses: elgohr/Publish-Docker-Github-Action@2.22
      #  env:
      #    BRANCH: ${{ env.GITHUB_BRANCH }}
      #    VERSION: ${{ env.VERSION }}
      #    BUILDNUMBER: ${{ github.run_number }}
      #    GITSHA1: ${{ github.sha  }}
      #  with:
      #    registry: ghcr.io
      #    name: ${{ github.repository_owner }}/${{ matrix.IMAGE }}
      #    username: ${{ secrets.GHCR_USERNAME }}
      #    password: ${{ secrets.GHCR_PASSWORD }}
      #    context: ${{ matrix.FOLDER }}
      #    tags: "${{ env.TAGS }}"
      #    buildargs: BRANCH,VERSION,BUILDNUMBER,GITSHA1

      # this will publish to dockerhub
      - name: Publish to Docker Hub
        if: github.event_name != 'pull_request' && github.repository == env.MAIN_REPO
        uses: elgohr/Publish-Docker-Github-Action@2.22
        env:
          BRANCH: ${{ env.GITHUB_BRANCH }}
          VERSION: ${{ env.VERSION }}
          BUILDNUMBER: ${{ github.run_number }}
          GITSHA1: ${{ github.sha  }}
        with:
          name: ${{ env.DOCKERHUB_ORG }}/${{ matrix.IMAGE }}
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
          context: ${{ matrix.FOLDER }}
          tags: "${{ env.TAGS }}"
          buildargs: BRANCH,VERSION,BUILDNUMBER,GITSHA1