version: '3.5'

services:
  api01: &api
    image: rinha:latest
    environment:
      - DB_HOST=db
    depends_on:
      - db
    deploy:
      resources:
        limits:
          cpus: "0.20"
          memory: "150mb"

  api02:
    <<: *api
    environment:
      - DB_HOST=db

  nginx:
    image: nginx:latest
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - api01
      - api02
    ports:
      - "9999:9999" 
    deploy:
      resources:
        limits:
          cpus: "0.17"
          memory: "110MB"

  db:
    command: postgres -c 'max_connections=30'
    image: postgres:latest
    environment:
      - POSTGRES_PASSWORD=123
      - POSTGRES_USER=admin
      - POSTGRES_DB=rinha
    ports:
      - "5432:5432"
    volumes:
      - ./script.sql:/docker-entrypoint-initdb.d/script.sql
    deploy:
      resources:
        limits:
          cpus: "0.63"
          memory: "140MB"