docker-compose.yml

version: "3.8"

services:
  app1: &api1
    image: thiagosousa/rinha-go-api
    hostname: app1
    ports:
      - "8080"
    depends_on:
      postgres:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: "0.4"
          memory: "100MB"
  
  app2: 
    <<: *api1
  
  nginx:
    image: nginx:latest
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - app1
      - app2
    ports:
      - "9999:9999"
    deploy:
      resources:
        limits:
          cpus: "0.3"
          memory: "50MB"  

  postgres:
    image: postgres:latest
    command: -c 'max_connections=400'
    hostname: postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: rinha
    ports:
      - "5432:5432"
    volumes:
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -d rinha -U postgres"]
      interval: 2s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          cpus: "0.4"
          memory: "300MB"