docker-compose.pgbackrest.yml

# Production/PITR overlay. PORTAGE_PGBACKREST_REPO may point at an existing
# NAS-mounted directory (for example an NFS mount backed by 10.31.0.2).
services:
  postgres:
    build:
      context: .
      dockerfile: deploy/postgres/Dockerfile.pgbackrest
    image: portage-engine/postgres-pgbackrest:18.4-2.59.0
    environment:
      PGBACKREST_REPO1_CIPHER_PASS: ${PORTAGE_PGBACKREST_CIPHER_PASS:?set PORTAGE_PGBACKREST_CIPHER_PASS}
      PGUSER: ${PORTAGE_POSTGRES_USER:-portage}
      PGDATABASE: ${PORTAGE_POSTGRES_DB:-portage_engine}
    command:
      - postgres
      - -c
      - archive_mode=on
      - -c
      - archive_command=pgbackrest --stanza=portage-engine archive-push %p
      - -c
      - archive_timeout=60s
      - -c
      - wal_level=replica
      - -c
      - max_wal_senders=5
    volumes:
      - ./deploy/postgres/pgbackrest.conf:/etc/pgbackrest/pgbackrest.conf:ro
      - ${PORTAGE_PGBACKREST_REPO:-./backups/pgbackrest}:/var/lib/pgbackrest
      - pgbackrest-spool:/var/spool/pgbackrest

volumes:
  pgbackrest-spool: