deploydocker.yml

name: Deploy docker image (ubuntu) to ghcr.io
on:
  workflow_dispatch:
  push:
    branches:        
      - master
      - 'release/**'

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Extract branch name
        shell: bash
        # export branch name to be available in the GA environment as: steps.extract_branch.outputs.branch
        run: echo "branch=$(echo ${GITHUB_REF#refs/heads/})" >> $GITHUB_OUTPUT
        id: extract_branch
      - name: Define tag name
        shell: bash
        run: |
            BRANCH=${{ steps.extract_branch.outputs.branch }}
            ## use latest to follow docker conventions
            if [[ "$BRANCH" == "master" ]]
            then 
              BRANCH="latest"
            fi
            ## Remove release/ from release branch name
            echo "tag=$(echo ${BRANCH#release/})" >> $GITHUB_OUTPUT
        id: tag_name
      - name: Downcase REPO
        run: echo "repo=$(echo ${GITHUB_REPOSITORY,,})" >> $GITHUB_OUTPUT
        id: downcase_repo
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Checkout to make context with dockerfiles available
        uses: actions/checkout@v4
      - name: Build and Push Docker Image
        uses: docker/build-push-action@v5
        with:
          push: true # Will only build if this is not here
          context: .
          file: dockerfiles/Dockerfile
          build-args: |
            OPENMS_VERSION: ${{ steps.tag_name.outputs.tag }}
          tags: |
            ghcr.io/${{ steps.downcase_repo.outputs.repo }}:${{ steps.tag_name.outputs.tag }}
          cache-from: type=gha,scope=ghcr.io/${{ steps.downcase_repo.outputs.repo }}:${{ steps.tag_name.outputs.tag }}
          cache-to: type=gha,mode=max,scope=ghcr.io/${{ steps.downcase_repo.outputs.repo }}:${{ steps.tag_name.outputs.tag }}