docker-compose.yaml

version: '3.5'

services:

  api1: &app
    container_name: marcospaulo-go-api1
    image: marcosisocram/rinha-go-2024-q1:1.0.0
    hostname: api1
    network_mode: "host"
    depends_on:
      db:
        condition: service_healthy
    environment:
      - PORT=8180
      - DB_CONNECTION=postgresql://user:rinha-de-bK@localhost:5433/postgres
      - GIN_MODE=release
      - DB_MAX_CONN=2
      - DB_MIN_CONN=1
    deploy:
      resources:
        limits:
          cpus: '0.2687'
          memory: "70MB"

  api2: # API - Instância 02
    <<: *app
    container_name: marcospaulo-go-api2
    hostname: api2
    environment:
      - PORT=8280
      - DB_CONNECTION=postgresql://user:rinha-de-bK@localhost:5433/postgres
      - GIN_MODE=release
      - DB_MAX_CONN=2
      - DB_MIN_CONN=1

  db:
    image: postgres:16.2
    container_name: marcospaulo-go-postgresql
    hostname: db
    network_mode: "host"
    environment:
      - POSTGRES_PASSWORD=rinha-de-bK
      - POSTGRES_USER=user
      - POSTGRES_DB=postgres
      - PGPORT=5433
    expose:
      - "5433"
    volumes:
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
      - ./postgresql.conf:/docker-entrypoint-initdb.d/postgresql.conf
    healthcheck:
      test: [ "CMD-SHELL", "pg_isready" ]
      interval: 5s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          cpus: '0.725'
          memory: '300MB'

  nginx: # Load Balancer
    container_name: marcospaulo-go-nginx
    image: nginx:1.25.4-alpine
    network_mode: "host"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - api1
      - api2
    expose:
      - "9999"
    deploy:
      resources:
        limits:
          cpus: '0.2375'
          memory: '70MB'