container.yml

name: Tag, Build, and Push Docker Image with Github Workflow

#Set up tagging/building only on tag releases
on:
  push:
    tags: [ v* ]
    paths-ignore:
      - '**/README.md'

jobs:
  build-container:
    name: Build container
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Set Tag Output
      id: vars 
      run: if [[ ${GITHUB_REF#refs/*/}  == v* ]]; then echo "tag=${{ github.ref_name }}" >> $GITHUB_OUTPUT; else echo "tag=v" >> $GITHUB_OUTPUT; fi
      
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: login to Docker Hub
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKER_HUB_ACCESS_USERNAME }}
        password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

    - uses: mad9000/actions-find-and-replace-string@2
      id: findandreplace
      with:
        source: ${{ steps.vars.outputs.tag }}
        find: 'v'        
        replace: 'version-'

    - name: free disk space
      run: |
        sudo swapoff -a
        sudo rm -f /swapfile
        sudo apt clean
        yes | docker system prune
        df -h

    - name: Build, Tag, and Push to Docker Hub
      uses: docker/build-push-action@v4
      with:
        context: .
        file: ./Container/Dockerfile
        push: true
        tags: hmsccb/nhanes-workbench:latest, hmsccb/nhanes-workbench:${{ steps.findandreplace.outputs.value }}
        cache-from: type=gha
        cache-to: type=gha,mode=max