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Update improvement-todos.md with recent changes

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Document all the improvements made today:
- Docker optimizations (removed Node.js, faster builds)
- Multiple bug fixes (PgBouncer, Redis, compilation warnings)
- CI/CD improvements (faster deployments, concurrency control)

Co-Authored-By: Claude <noreply@anthropic.com>
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Graham McIntire 2025-07-26 16:44:18 -05:00
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@ -188,4 +188,25 @@ Based on current system state with Redis and PgBouncer already deployed:
4. **Leader Election**: Only one pod maintains APRS-IS connection, preventing duplicates
5. **High Availability**: Multiple replicas with automatic failover for all components
Last updated: 2025-07-26 (Zero-Downtime Deployment Strategy)
## Recent Updates (2025-07-26)
### Docker Optimizations
- Removed Node.js from Docker image (saved ~150MB)
- Optimized Dockerfile for faster builds with better layer caching
- Simplified from complex BuildKit features to basic 2-stage build
- Added comprehensive .dockerignore file
- Fixed permission issues with non-root user
### Bug Fixes
- Fixed PgBouncer database connection issues (added SKIP_DB_CREATE)
- Fixed Redis connection errors (removed invalid pool_size option)
- Fixed compilation warnings (grouped handle_info clauses)
- Fixed ShutdownHandler interfering with startup
- Fixed DeviceCache startup timing issues
### CI/CD Improvements
- Removed rollout wait from deployment workflow
- Added concurrency control to cancel in-progress deployments
- Simplified Docker build caching strategy
Last updated: 2025-07-26 (Docker Optimizations & Bug Fixes)