v1.1.0 - GraphQL API

Highlights

GraphQL API

• Full GraphQL layer using Netflix DGS framework alongside REST API
• User mutations: createUser, login, updateUser
• Article and comment queries/mutations
• Profile queries with follow state
• Custom exception handler mapping domain errors to GraphQL error codes
• Schema defined in src/main/resources/schema/schema.graphqls

Cursor Pagination

• New CursorPageParameter with cursor, limit, and direction (NEXT/PREV)
• CursorPager<T> result container with hasNext/hasPrevious
• Node interface for pageable data objects
• Supports both offset and cursor pagination modes

Bug Fixes

• Fixed JWT token expiry returning 500 instead of 401
• Fixed GraphQL stack trace leakage in error responses
• Improved slug generation to avoid collisions

Security

• GraphQL errors no longer expose internal stack traces
• Auth exceptions properly map to UNAUTHENTICATED error code

v1.0.0 - MVP REST API

Highlights

Core API

• Full RealWorld spec implementation: users, articles, comments, tags, profiles
• JWT-based stateless authentication with configurable secret and session timeout
• CQRS architecture separating read and write paths
• MyBatis persistence with SQLite backend
• Flyway database migrations with seed data

Architecture

• Four-layer DDD design: api → application → core → infrastructure
• Domain entities with no framework dependencies in core layer
• Offset-based pagination (max 100 items per page)

DevOps

• Dockerfile with multi-stage build (gradle:7.4-jdk11 → eclipse-temurin:11-jre)
• Jenkins CI pipeline with build, lint (Spotless), and test stages
• Kubernetes deployment manifests

Known Limitations

• SQLite single-writer lock not suitable for multi-instance production
• No rate limiting on API endpoints
• Article slugs can collide for similar titles