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Migration Guide: v2.x → v3.0.0

⚠️ BREAKING CHANGES - Please read carefully

🔴 Breaking Changes Summary

Change v2.x v3.0.0 Impact
Java 8 ✅ Supported ❌ Removed Must upgrade to Java 11+
Workflow File java-ci-universal.yml java-ci.yml Update workflow reference
build-tool Input Required Optional (auto-detect) Can remove input
Default Java 21 25 (explicit) Recommend explicit version

🚀 Quick Migration (5 Minutes)

Before (v2.x):

jobs:
  ci:
    uses: org/workflows/.github/workflows/java-ci-universal.yml@v2
    with:
      java-version: '25'
      build-tool: 'maven'

After (v3.0.0):

jobs:
  ci:
    uses: org/workflows/.github/workflows/java-ci.yml@v3
    with:
      java-version: '25'
      # build-tool auto-detected!

Changes:

  1. ✏️ Update workflow file: java-ci-universal.yml → java-ci.yml
  2. ✏️ Update version: @v2 → @v3
  3. ➖ Remove build-tool input (now auto-detected)
  4. ✅ Verify Java version is 11+ (no Java 8)

⚠️ Java 8 Removal

If you're using Java 8:

Option 1: Stay on v2.x (Recommended for now)

  • v2.x supported until January 2027
  • Continue using @v2 tag
  • Plan upgrade to Java 11+

Option 2: Upgrade to Java 11+

# Upgrade Java version
java-version: '11'  # or 17, 21, 25

✨ New Features You Can Use

1. Simplified Configuration

# v3.0.0: Minimal configuration
jobs:
  ci:
    uses: org/workflows/.github/workflows/java-ci.yml@v3
    with:
      java-version: '25'
      # That's it! Everything else is auto-detected

2. Kubernetes Deployment

jobs:
  deploy:
    uses: org/workflows/.github/workflows/k8s-deploy.yml@v3
    with:
      cluster-provider: 'eks'
      cluster-name: 'production'
      namespace: 'myapp'
      deployment-name: 'myapp'
      image-name: 'myapp:v1.0.0'

3. SBOM Generation

steps:
  - uses: org/workflows/.github/actions/sbom-generate@v3
    with:
      build-tool: 'maven'

📊 Migration Checklist

  • Check Java version (must be 11+)
  • Update workflow file name to java-ci.yml
  • Update version tag to @v3
  • Remove build-tool input (optional)
  • Test in feature branch
  • Merge to production

🔗 Support

  • v2.x Support: Until January 2027 (security patches)
  • Documentation: See README.md
  • Issues: Open GitHub issue

Estimated Migration Time: 5-15 minutes Risk Level: Low (breaking changes well-documented)