version: '3.8'

services:
  postgres:
    image: postgres:15-alpine
    container_name: etf_postgres
    restart: unless-stopped
    environment:
      POSTGRES_DB: etf_db
      POSTGRES_USER: admin
      POSTGRES_PASSWORD: admin
      POSTGRES_INITDB_ARGS: "--encoding=UTF-8 --lc-collate=C --lc-ctype=C"
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - etf_network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U admin -d etf_db"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 30s

volumes:
  postgres_data:
    driver: local

networks:
  etf_network:
    driver: bridge