deploy-docker.yml

name: Publish Docker image

on:
  workflow_dispatch:
  push:
    branches: [ "develop" ]

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  push_to_registries:
    name: Push Docker image to GHCR
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ghcr.io/${{ github.repository }}

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker images
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      # Get the GKE credentials, so we can deploy to the cluster
      - uses: google-github-actions/get-gke-credentials@v0.7.0
        with:
          cluster_name: ${{ secrets.GKE_CLUSTER_NAME }}
          location: ${{ secrets.GKE_ZONE }}
          credentials: ${{ secrets.GKE_SA_KEY }}

      # Deploy the Docker image to the GKE cluster
      - name: Deploy
        run: |-
          kubectl rollout restart deployment ${{ secrets.DEPLOYMENT }} -n ${{ secrets.NAMESPACE }}