CodeAcademy2026/.github/workflows/docker-solution.yml at main · sopra-steria-norge/CodeAcademy2026 · GitHub

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# Docker Workflow Contract
# GitHub Actions workflow for Docker build and GHCR push
# Workshop 2: Docker - containerization and registry publishing
# Location: .github/workflows/docker.yml

name: Docker

on:
  push:
    branches: [main]
    paths:
      - '1-DevOps/idempotweet/**'
      - '1-DevOps/2-Docker/**'
      - '.github/workflows/docker.yml'
  workflow_dispatch:

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

jobs:
  # Job 1: Reuse CI workflow for build and test
  ci:
    uses: ./.github/workflows/ci-solution.yml

  # Job 2: Docker Build and Push (after CI passes)
  docker:
    name: Build and Push Docker Image
    runs-on: ubuntu-latest
    needs: ci

    permissions:
      contents: read
      packages: write

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

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest
            type=sha,prefix=sha-

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: 1-DevOps/idempotweet
          file: 1-DevOps/2-Docker/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          provenance: false