feat(Production): Complete production deployment infrastructure

- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.

docker/postgres/init/01-extensions.sql

@@ -0,0 +1,33 @@
+-- PostgreSQL Extensions for Custom PHP Framework
+-- Auto-loaded during database initialization
+
+-- UUID Support
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+-- Performance Monitoring
+CREATE EXTENSION IF NOT EXISTS "pg_stat_statements";
+
+-- Full-Text Search (German + English)
+CREATE EXTENSION IF NOT EXISTS "unaccent";
+
+-- Fuzzy String Matching (for search features)
+CREATE EXTENSION IF NOT EXISTS "pg_trgm";
+
+-- Case-insensitive text type
+CREATE EXTENSION IF NOT EXISTS "citext";
+
+-- JSON Functions (additional to built-in JSONB)
+-- Uncomment if needed:
+-- CREATE EXTENSION IF NOT EXISTS "jsonb_plperl";
+
+-- Cryptographic functions
+CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+
+-- Framework-specific Schema
+CREATE SCHEMA IF NOT EXISTS framework;
+
+COMMENT ON SCHEMA framework IS 'Custom PHP Framework internal tables and functions';
+
+-- Grant permissions
+GRANT USAGE ON SCHEMA framework TO PUBLIC;
+-- GRANT CREATE ON SCHEMA framework TO postgres;  -- Will be set via environment