build.yml

name: Build Image

on:
  workflow_dispatch:
    inputs:
      extra_tag:
        description: "Image will be tagged as `dev-<gh_run_id>` (e.g dev-1234). With this field you can set an extra tag"
        required: false
        default: ""
      pg_repo:
        description: "Name of the target PG repository"
        required: true
        default: "https://git.postgresql.org/git/postgresql.git"
      pg_branch:
        description: "Name of the branch in the target PG repository"
        required: true
        default: "master"

# set up environment variables to be used across all the jobs
env:
  REGISTRY: "ghcr.io/cloudnative-pg/postgresql-trunk"
  TAG: "dev-${{ github.run_number }}"

defaults:
  run:
    # default failure handling for shell scripts in 'run' steps
    shell: 'bash -Eeuo pipefail -x {0}'

jobs:
  build-pg:
    name: Build the Trunk of PostgreSQL
    runs-on: ubuntu-22.04
    permissions:
      contents: read
      packages: write
    steps:
    - name: Checkout Code
      uses: actions/checkout@v4

    - name: Set optional extra tag
      run: |
        EXTRA_TAG=""
        if [[ "${{ github.event.inputs.extra_tag }}" != "" ]]; then
          EXTRA_TAG="${{ env.REGISTRY }}:${{ github.event.inputs.extra_tag }}"
        fi
        echo "EXTRA_TAG=${EXTRA_TAG}" >> $GITHUB_ENV

    - name: Log in to the GitHub Container registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push
      uses: docker/build-push-action@v6
      with:
        context: .
        push: true
        load: false
        tags: |
          ${{ env.REGISTRY }}:${{ env.TAG }}
          ${{ env.EXTRA_TAG }}
        build-args: |
          PG_REPO=${{ github.event.inputs.pg_repo }}
          PG_BRANCH=${{ github.event.inputs.pg_branch }}