build.yml

name: Build & Push base-python

on:
  push:
    branches: [main]
  schedule:
    # Weekly rebuild every Monday at 04:30 UTC — picks up upstream security patches
    - cron: '30 4 * * 1'
  workflow_dispatch:

env:
  IMAGE: ghcr.io/rusha-corp/base-image-python

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      security-events: write

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

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

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix=sha-,format=short
            type=raw,value=py3.11

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Run Trivy vulnerability scan
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.IMAGE }}:latest
          format: sarif
          output: trivy-results.sarif
          severity: CRITICAL,HIGH
          exit-code: '0'

      - name: Upload Trivy results to GitHub Security
        uses: github/codeql-action/upload-sarif@v3
        if: always()
        with:
          sarif_file: trivy-results.sarif