docker-compose.yaml

version: '3.9'

services:
  postgres:
    image: postgres:13
    container_name: postgres_container
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: habit_db
      PGDATA: /var/lib/postgresql/data/pgdata
    ports:
      - "5433:5432"
    volumes:
      - ./pgdata:/var/lib/postgresql/data/pgdata
    command: >
      postgres -c max_connections=1000
               -c shared_buffers=256MB
               -c effective_cache_size=768MB
               -c maintenance_work_mem=64MB
               -c checkpoint_completion_target=0.7
               -c wal_buffers=16MB
               -c default_statistics_target=100
    healthcheck:
      test: [ "CMD-SHELL", "pg_isready -U postgres_user -d postgres_db" ]
      interval: 30s
      timeout: 10s
      retries: 5
    restart: unless-stopped
    tty: true
    stdin_open: true

volumes:
  pgdata:
    driver: local