build_base_image.yml

name: Build base image for CI

on:
  pull_request:
    branches:
      - main
    paths:
      - 'Dockerfile'
      - 'Makefile'
  workflow_dispatch:

# GitHub secrets
env:
  DOCKER_REGISTRY: ${{ secrets.DOCKER_REGISTRY }}
  IMAGE_NAME: dbt-bigquery-monitoring-base
  BRANCH_NAME: ${{ github.head_ref || github.ref_name }} 

jobs:
  build-base-image:
    name: Build base image
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }} # Check out the code of the PR

      - name: Log in to Docker Hub
        run: |
          echo ${{ secrets.DOCKER_REGISTRY_PASSWORD }} | docker login ${{ secrets.DOCKER_REGISTRY }} -u ${{ secrets.DOCKER_REGISTRY_USER }} --password-stdin

      - name: Build base image
        run: |
          docker build -t $IMAGE_NAME:$BRANCH_NAME .

      - name: Push base image
        run: |
          docker tag $IMAGE_NAME:$BRANCH_NAME $DOCKER_REGISTRY/$IMAGE_NAME:$BRANCH_NAME
          docker push $DOCKER_REGISTRY/$IMAGE_NAME:$BRANCH_NAME