docker-build.yml

name: Docker Image CI

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - '*'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

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

    - name: Determine Docker tag
      id: docker-tag
      run: |
        if [ "${{ github.event_name }}" == "push" ] && [ "${{ github.ref }}" == "refs/heads/main" ]; then
          echo "::set-output name=tag::latest"
        elif [ "${{ github.event_name }}" == "pull_request" ]; then
          echo "::set-output name=tag::pr-${{ github.event.number }}"
        else
          BRANCH_NAME=$(echo "${{ github.ref }}" | sed 's/refs\/heads\///')
          echo "::set-output name=tag::${BRANCH_NAME}"
        fi

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        file: deployment/Dockerfile
        push: true
        tags: pearsproject/pears-federated:${{ steps.docker-tag.outputs.tag }}

    - name: Image digest
      run: echo ${{ steps.build.outputs.digest }}