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/postgresql.conf

@@ -0,0 +1,86 @@
+# PostgreSQL Configuration for Custom PHP Framework
+# Optimized for development with production-ready defaults
+
+# ==========================================
+# Connection Settings
+# ==========================================
+listen_addresses = '*'
+max_connections = 100
+superuser_reserved_connections = 3
+
+# ==========================================
+# Memory Settings
+# ==========================================
+# Adjust based on available RAM (docker-compose limits: 1GB)
+shared_buffers = 256MB
+effective_cache_size = 768MB
+maintenance_work_mem = 64MB
+work_mem = 4MB
+
+# ==========================================
+# Query Tuning
+# ==========================================
+random_page_cost = 1.1  # Optimized for SSD
+effective_io_concurrency = 200
+
+# ==========================================
+# Write-Ahead Log (WAL)
+# ==========================================
+wal_buffers = 16MB
+min_wal_size = 1GB
+max_wal_size = 4GB
+checkpoint_completion_target = 0.9
+
+# ==========================================
+# Logging
+# ==========================================
+logging_collector = on
+log_directory = 'pg_log'
+log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
+log_min_duration_statement = 200  # Log slow queries (>200ms)
+log_line_prefix = '%t [%p]: [%l-1] user=%u,db=%d,app=%a,client=%h '
+log_checkpoints = on
+log_connections = on
+log_disconnections = on
+log_lock_waits = on
+log_temp_files = 0
+log_autovacuum_min_duration = 0
+
+# ==========================================
+# Performance Monitoring
+# ==========================================
+shared_preload_libraries = 'pg_stat_statements'
+pg_stat_statements.track = all
+pg_stat_statements.max = 10000
+
+# ==========================================
+# Autovacuum
+# ==========================================
+autovacuum = on
+autovacuum_max_workers = 3
+autovacuum_naptime = 1min
+
+# ==========================================
+# Locale & Formatting
+# ==========================================
+timezone = 'UTC'
+lc_messages = 'C'
+lc_monetary = 'C'
+lc_numeric = 'C'
+lc_time = 'C'
+default_text_search_config = 'pg_catalog.english'
+
+# ==========================================
+# Connection Pooling (Framework-friendly)
+# ==========================================
+# Connection lifecycle matching framework patterns
+tcp_keepalives_idle = 60
+tcp_keepalives_interval = 10
+tcp_keepalives_count = 5
+
+# ==========================================
+# Security (Development Defaults)
+# ==========================================
+# In production, use SSL and stricter settings
+ssl = off
+password_encryption = scram-sha-256