v2.0.0

roles/postgres/templates/pg_hba.conf.j2

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+# PostgreSQL 16 pg_hba.conf - Host Based Authentication
+# TYPE  DATABASE        USER            ADDRESS                 METHOD
+
+# Local connections
+local   all             postgres                                peer
+local   all             all                                     peer
+
+# Replication from pg2 (10.0.0.2)
+host    replication     replicator      10.0.0.2/32             md5
+
+# Applications and MailArchiver
+host    all             all             10.0.0.0/24             md5
+
+# IPv6 local
+host    all             all             ::1/128                 md5

roles/postgres/templates/postgresql.conf.j2

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+# PostgreSQL Configuration for Production
+# Debian 13 - najnowsza dostępna wersja
+# Primary: pg1, Replica: pg2
+
+# --- Network ---
+listen_addresses = '*'
+max_connections = 200
+port = 5432
+
+# --- Memory (dla 8GB RAM) ---
+shared_buffers = 2GB
+effective_cache_size = 6GB
+work_mem = 64MB
+maintenance_work_mem = 1GB
+
+# --- WAL and Logging ---
+wal_level = replica
+wal_compression = on
+max_wal_senders = 10
+max_replication_slots = 10
+wal_keep_size = 10GB
+
+# --- Archiving (dla pgBackRest) ---
+archive_mode = on
+archive_command = 'pgbackrest --stanza=main archive-push %p'
+archive_timeout = 300
+
+# --- Checkpoints ---
+checkpoint_timeout = 15min
+checkpoint_completion_target = 0.9
+max_wal_size = 64GB
+min_wal_size = 16GB
+
+# --- Logging ---
+log_directory = '/var/log/postgresql'
+log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
+log_truncate_on_rotation = on
+log_rotation_age = 1d
+log_rotation_size = 100MB
+log_min_duration_statement = 1000
+log_connections = on
+log_disconnections = on
+log_duration = off
+
+# --- Replication slots ---
+max_replication_slots = 10
+
+# --- Performance ---
+random_page_cost = 1.1
+effective_io_concurrency = 200
+synchronous_commit = local