build.yaml

name: Build and Push to GAR

on:
  push:
    branches:
      - "main"

env:
  GAR_PROJECT_ID: mv-auxiliary
  GAR_REPO: prometheus-bigquery-exporter
  GAR_PROJECT_NAMESPACE: prometheus-bigquery-exporter

permissions:
  contents: read
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Git repository
        uses: actions/checkout@v4

      - name: Authenticate to Google Cloud
        id: auth
        uses: google-github-actions/auth@v2
        with:
          token_format: access_token
          workload_identity_provider: ${{ secrets.GCP_WIP }}
          service_account: ${{ secrets.GCP_SA_EMAIL }}

      - name: Set up Cloud SDK
        uses: google-github-actions/setup-gcloud@v2

      - name: Login to GAR
        uses: docker/login-action@v3
        with:
          registry: asia-southeast1-docker.pkg.dev
          username: oauth2accesstoken
          password: ${{ steps.auth.outputs.access_token }}

      - uses: docker/metadata-action@v5
        id: metadata
        with:
          images: |
            asia-southeast1-docker.pkg.dev/${{ env.GAR_PROJECT_ID}}/${{ env.GAR_REPO}}/${{ env.GAR_PROJECT_NAMESPACE }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr

      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build using Docker
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.metadata.outputs.tags }}
          labels: ${{ steps.metadata.outputs.labels }}
          file: Dockerfile