docker-compose.yaml

version: '3.9'

services:
  api01: &api
    network_mode: host
    image: robertoseba940/rinha_backend:latest
    hostname: api01
    environment:
      - DB_HOSTNAME=127.0.0.1
      - DB_NAME=rinha
      - DB_PASSWORD=123
      - DB_USER=admin
      - DB_POOL_SIZE=5
      - DB_PORT=5432
      - PORT=3000
    ports:
      - '3000:3000'
    #   - '9229:9229'
    depends_on:
      - db
    deploy:
      resources:
        limits:
          cpus: '0.4'
          memory: '105MB'
    healthcheck:
      test: ['CMD', 'curl', '-f', 'http://127.0.0.1:3000/clientes/1/extrato']
      interval: 2s
      retries: 10
      start_period: 10s

  api02:
    <<: *api
    network_mode: host
    hostname: api02
    environment:
      - DB_HOSTNAME=127.0.0.1
      - DB_NAME=rinha
      - DB_PASSWORD=123
      - DB_USER=admin
      - DB_POOL_SIZE=5
      - DB_PORT=5432
      - PORT=3001
    healthcheck:
      test: ['CMD', 'curl', '-f', 'http://127.0.0.1:3001/clientes/1/extrato']
      interval: 2s
      retries: 10
      start_period: 10s
    ports:
      - '3001:3001'

  nginx:
    network_mode: host
    image: nginx:latest
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro

    ports:
      - '9999:9999'
    deploy:
      resources:
        limits:
          cpus: '0.1'
          memory: '20MB'

  db:
    network_mode: host
    image: postgres:latest
    hostname: db
    environment:
      - POSTGRES_PASSWORD=123
      - POSTGRES_USER=admin
      - POSTGRES_DB=rinha
    ports:
      - '5432:5432'
    command: |
      postgres
      -c max_connections=640
      -c listen_addresses='*'
      -c log_min_messages='panic'
      -c log_min_error_statement='panic'
      -c checkpoint_timeout=3600 
      -c synchronous_commit=off
      -c fsync=off
      -c wal_level=minimal
      -c max_wal_senders=0
      -c full_page_writes=off
      -c shared_buffers=200MB
      -c maintenance_work_mem=200MB
      -c work_mem=64MB
      -c huge_pages=off

    deploy:
      resources:
        limits:
          cpus: '0.6'
          memory: '320MB'
    healthcheck:
      test: ['CMD', 'pg_isready', '--username', 'admin', '-d', 'rinha']
      interval: 15s
      timeout: 5s
      retries: 10
      start_period: 15s