simple-project/.github/workflows/build.yml at 5fefcc58904967f2cf5640328e454cb44c109a0f · wunderio/simple-project · GitHub

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---
name: Build & Push Images

on:
  push:
    branches: ["**"]
    paths-ignore:
      - "k8s/**"
      - "**.md"
  pull_request:
    types: [opened, synchronize, reopened]

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

env:
  REGISTRY: ${{ vars.REGISTRY || 'registry.wdr.io' }}
  REPO: ${{ github.event.repository.name }}

jobs:
  # ---------------------------------------------------------------
  # Stage 1: Validate codebase.
  # Simple project has no application code to lint — just verify
  # the Dockerfile and static content are well-formed.
  # ---------------------------------------------------------------
  validate:
    name: Validate
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Lint Dockerfile
        uses: hadolint/hadolint-action@v3.1.0
        with:
          dockerfile: silta/nginx.Dockerfile
          failure-threshold: error

  # ---------------------------------------------------------------
  # Stage 2: Build and push Docker image.
  # ---------------------------------------------------------------
  build-image:
    name: Build & Push — nginx
    runs-on: ubuntu-latest
    needs: validate
    permissions:
      contents: read

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set image tag
        id: tag
        shell: bash
        run: |
          BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF_NAME}}"
          SAFE=$(echo "$BRANCH" | tr '/' '-' | tr '_' '-' | cut -c1-40)
          TIMESTAMP=$(date -u +%Y%m%dT%H%M%S)
          echo "tag=${SAFE}-${TIMESTAMP}-$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
          echo "branch=${SAFE}" >> "$GITHUB_OUTPUT"

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

      - name: Log in to Harbor registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Ensure Harbor project exists
        shell: bash
        run: |
          BODY=$(curl -s \
            -u '${{ secrets.REGISTRY_USERNAME }}:${{ secrets.REGISTRY_PASSWORD }}' \
            "https://${REGISTRY}/api/v2.0/projects?name=${REPO}")
          if echo "$BODY" | grep -q '"project_id"'; then
            echo "Project '${REPO}' already exists."
          else
            echo "Creating project '${REPO}'..."
            curl -s -f -X POST \
              -u '${{ secrets.REGISTRY_USERNAME }}:${{ secrets.REGISTRY_PASSWORD }}' \
              -H "Content-Type: application/json" \
              "https://${REGISTRY}/api/v2.0/projects" \
              -d "{\"project_name\":\"${REPO}\",\"public\":false}" \
              && echo "Project created." \
              || echo "::warning::Failed to create project (may already exist or lack permissions)."
          fi

      - name: Build & push image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: silta/nginx.Dockerfile
          pull: true
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.REPO }}/nginx:${{ steps.tag.outputs.tag }}
          labels: |
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.branch=${{ steps.tag.outputs.branch }}
          cache-from: type=gha,scope=nginx
          cache-to: type=gha,scope=nginx,mode=max