# PostgreSQL configuration file template
# This file will be processed by envsubst to replace environment variables

# Connection and Authentication
listen_addresses = '*'
port = ${DB_POSTGRESQL_PORT}
max_connections = 100

# Memory Configuration
shared_buffers = 128MB
effective_cache_size = 256MB
work_mem = 4MB
maintenance_work_mem = 64MB

# Logging Configuration
log_destination = 'stderr'
logging_collector = on
log_directory = '${POSTGRESQL_LOG_DIR}'
log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
log_rotation_age = 1d
log_rotation_size = 100MB
log_min_messages = warning
log_min_error_statement = error
log_min_duration_statement = 1000

# Query Tuning
random_page_cost = 1.1
effective_io_concurrency = 200

# WAL Configuration
wal_level = replica
max_wal_size = 1GB
min_wal_size = 80MB
checkpoint_completion_target = 0.9
wal_buffers = 16MB

# Background Writer
bgwriter_delay = 200ms
bgwriter_lru_maxpages = 100
bgwriter_lru_multiplier = 2.0

# Autovacuum
autovacuum = on
autovacuum_max_workers = 3
autovacuum_naptime = 1min
autovacuum_vacuum_threshold = 50
autovacuum_analyze_threshold = 50

# Client Connection Defaults
datestyle = 'iso, mdy'
timezone = 'UTC'
lc_messages = 'C'
lc_monetary = 'C'
lc_numeric = 'C'
lc_time = 'C'
default_text_search_config = 'pg_catalog.english'

# Locale and Formatting
datestyle = 'iso, mdy'
timezone = 'UTC'
lc_messages = 'C'
lc_monetary = 'C'
lc_numeric = 'C'
lc_time = 'C'
default_text_search_config = 'pg_catalog.english'