security-scan.yml

# StellarSettle API – Security Scan
# Automated dependency vulnerability scanning with Trivy
# Runs on PRs and pushes to dev branch
# Fails on CRITICAL vulnerabilities (CVSS >= 9.0)
name: Security Scan

on:
  pull_request:
    branches: [dev, develop]
  push:
    branches: [dev, develop]

jobs:
  trivy-scan:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      security-events: write

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

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'fs'
          scan-ref: '.'
          format: 'sarif'
          output: 'trivy-results.sarif'
          ignore-unfixed: true
          severity: 'CRITICAL,HIGH'

      - name: Upload Trivy results to GitHub Security
        uses: github/codeql-action/upload-sarif@v2
        if: always()
        with:
          sarif_file: 'trivy-results.sarif'
          category: 'trivy'

      - name: Run npm audit for additional validation
        run: npm audit --audit-level=critical --production
        continue-on-error: true

      - name: Generate security summary
        if: always()
        run: |
          echo "## 🔒 Security Scan Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Trivy Filesystem Scan" >> $GITHUB_STEP_SUMMARY
          echo "- Scan type: Filesystem (src, package-lock.json, configuration files)" >> $GITHUB_STEP_SUMMARY
          echo "- Severity levels: CRITICAL, HIGH" >> $GITHUB_STEP_SUMMARY
          echo "- Unfixed vulnerabilities: Ignored" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### npm Audit" >> $GITHUB_STEP_SUMMARY
          echo "- Dependency level: Production only" >> $GITHUB_STEP_SUMMARY
          echo "- Failure threshold: CRITICAL severity" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "See [Security tab](../../security/code-scanning) for detailed results." >> $GITHUB_STEP_SUMMARY