version: '3.8'
services:
  dwh-local:
    image: postgres:16
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
    ports:
      - '5432:5432'
    volumes: 
      - dwh-local:/var/lib/postgresql/data
    shm_size: 1g 
    command: 
    [
      "-c", "default_statistics_target=500",
      "-c", "effective_io_concurrency=200",
      "-c", "huge_pages=off",
      "-c", "maintenance_work_mem=2000000kB",
      "-c", "max_parallel_workers=4",
      "-c", "max_wal_size=16288MB",
      "-c", "max_worker_processes=4",
      "-c", "min_wal_size=8000MB",
      "-c", "random_page_cost=1.1",
      "-c", "shared_buffers=4000000kB",
      "-c", "work_mem=200000kB",
      "-c", "max_connections=200"
    ]

volumes:
  dwh-local:
    driver: local