# 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