docker-build.yml

name: docker-build

on:
  push:
    branches: [ main ]

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

jobs:
  docker-build:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set outputs
        id: vars
        run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"   

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha,prefix=,suffix=,format=short

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Print staging deploy command
        run: echo "helm template --set rev=${{ steps.vars.outputs.sha_short }} -f k8s/values.yaml -f k8s/values/stage.yaml k8s | kubectl apply -f -"

      - name: Print production deploy command
        run: echo "helm template --set rev=${{ steps.vars.outputs.sha_short }} -f k8s/values.yaml -f k8s/values/prod.yaml k8s | kubectl apply -f -"