gke-prod.yml

name: Build and Deploy to GKE Prod

on:
  release:
    types: [released]

# Environment variables available to all jobs and steps in this workflow
env:
  GITHUB_SHA: ${{ github.sha }}
  K8S_ENVIRONMENT: prod
  GIT_USER: lmquang
  GIT_EMAIL: quanglm.ops@gmail.com
  REGISTRY_HOSTNAME: gcr.io
  GKE_PROJECT: df-infrastructure
  APP: go-api
  IMAGE: go-api

jobs:
  setup-build-publish-deploy:
    name: Setup, Build, Publish, and Deploy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get files that have changed
        id: changed-files-yaml
        uses: tj-actions/changed-files@v39
        with:
          files_yaml: |
            code:
              - cmd/**
              - migrations/**
              - mocks/**
              - pkg/**
            k8s:
              - k8s/**

      # Setup gcloud CLI
      - id: "auth"
        name: "Authenticate to Google Cloud"
        uses: "google-github-actions/auth@v0"
        with:
          credentials_json: "${{ secrets.GCP_CREDENTIALS }}"
      - name: "Set up Cloud SDK"
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' 
        uses: "google-github-actions/setup-gcloud@v0"

      # Setup Docker
      - name: Setup Docker
        run: |
          gcloud auth configure-docker gcr.io
      - name: Cache Docker images
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' 
        uses: ScribeMD/docker-cache@0.3.6
        with:
          key: docker-${{ runner.os }}-${{ hashFiles('**/go.sum') }}
      - name: Build and push
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' 
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ env.REGISTRY_HOSTNAME }}/${{ env.GKE_PROJECT }}/${{ env.APP }}/${{ env.IMAGE }}:${{ github.sha }}

      - uses: imranismail/setup-kustomize@v2
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' || steps.changed-files-yaml.outputs.k8s_any_changed == 'true'
        with:
          kustomize-version: "5.1.1"
          github-token: ${{ secrets.GH_PAT }}
      - name: Generate kustomize resources
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' || steps.changed-files-yaml.outputs.k8s_any_changed == 'true'
        run: |
          cd ./k8s/$K8S_ENVIRONMENT
          kustomize edit set image $REGISTRY_HOSTNAME/$GKE_PROJECT/$APP/$IMAGE=$REGISTRY_HOSTNAME/$GKE_PROJECT/$APP/$IMAGE:${GITHUB_SHA}
          kustomize build > /tmp/resources.yaml

      # Make sure the infrastructure repo is set up
      - name: Checkout dwarvesf/infrastructure
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' || steps.changed-files-yaml.outputs.k8s_any_changed == 'true'
        uses: actions/checkout@master
        with:
          repository: dwarvesf/infrastructure
          token: ${{ secrets.GH_PAT }}
          path: ./infrastructure
          ref: main
      - name: Update app version
        if: steps.changed-files-yaml.outputs.code_any_changed == 'true' || steps.changed-files-yaml.outputs.k8s_any_changed == 'true'
        run: |
          cd ./infrastructure/$APP/$K8S_ENVIRONMENT
          git config user.name $GIT_USER
          git config user.email $GIT_EMAIL
          mv /tmp/resources.yaml .
          git commit -am "[skip ci] ${APP} ${K8S_ENVIRONMENT} image update"
          git push origin main