docker-compose.yml

version: "3.9"

services:
  api01: &api
    image: ptrecenti/crebito:latest
    entrypoint:
      - "/crebito"
      - "-Xms64m"
      - "-Xmx64m"
      - "-ea"
      - "-server"
    hostname: api01
    environment:
      - SCALE_FACTOR=30
      - DB_HOSTNAME=db
      - DB_PORT=5432
      - DB_NAME=rinha
      - DB_USER=rinha
      - DB_PASS=rinha
      - DB_POOL=10
    depends_on:
      db:
        condition: service_healthy
    networks:
      - app-network
    deploy:
      resources:
        limits:
          cpus: "0.3"
          memory: "96MB"

  api02:
    <<: *api
    hostname: api02

  
  nginx:
    image: nginx:latest
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - api01
      - api02
    ports:
      - "9999:9999"
    networks:
      - app-network
    deploy:
      resources:
        limits:
          cpus: "0.15"
          memory: "24MB"

  db:
    image: postgres:latest
    hostname: db
    ports:
      - "5432:5432"
    environment:
      - POSTGRES_PASSWORD=rinha
      - POSTGRES_USER=rinha
      - POSTGRES_DB=rinha
    volumes:
      - ./sql/ddl.sql:/docker-entrypoint-initdb.d/ddl.sql
      - ./sql/dml.sql:/docker-entrypoint-initdb.d/dml.sql
    command: "postgres 
      -c max_connections=100
      -c shared_buffers=96MB 
      -c effective_cache_size=288MB 
      -c maintenance_work_mem=24MB 
      -c checkpoint_completion_target=0.675 
      -c checkpoint_timeout=300
      -c wal_buffers=2949kB 
      -c default_statistics_target=75 
      -c random_page_cost=0.825 
      -c effective_io_concurrency=150 
      -c work_mem=384kB 
      -c min_wal_size=750MB 
      -c max_wal_size=3GB"
    deploy:
      resources:
        limits:
          cpus: "0.75"
          memory: "334MB"
    networks:
      - app-network
    healthcheck:
      test: [ "CMD", "pg_isready", "--username", "rinha" ]
      interval: 5s
      timeout: 5s
      retries: 20
      start_period: 10s

networks:
  app-network: