docker-compose.yml

version: "3.8"

services:
  app1: &app1
    image: ogabriel/rinha-de-backend-2024-q1:elixir
    restart: always
    environment: &env_app1
      MIX_ENV: prod
      PHX_SERVER: true
      DATABASE_HOST: 127.0.0.1
      DATABASE_URL: ecto://postgres:postgres@127.0.0.1/rinha
      DATABASE_POOL_SIZE: 6
      DATABASE_TIMEOUT: 20000
      DATABASE_QUEUE_TARGET: 5000
      DATABASE_QUEUE_INTERVAL: 10000
      SECRET_KEY_BASE: xUZ2aYKI10TzUGY4juCkDIpip9LaDi8KOj0emd8HOHiFZh2zKT5sLXg+0/wzHfnw
      ERL_MAX_PORTS: 2046
      PORT: 9997
      RELEASE_DISTRIBUTION: name
      RELEASE_NODE: app1@127.0.0.1
    network_mode: host
    depends_on:
    - postgres
    command: ["migrate_and_release"]
    deploy:
      resources:
        limits:
          cpus: '0.35'
          memory: '120MB'

  app2:
    <<: *app1
    depends_on:
    - app1
    environment:
      <<: *env_app1
      PORT: 9998
      RELEASE_NODE: app2@127.0.0.1
    command: ["release"]

  nginx:
    image: nginx:1.25.3-alpine
    restart: always
    volumes:
    - ./nginx.conf:/etc/nginx/nginx.conf
    command: ["nginx", "-g", "daemon off;"]
    network_mode: host
    depends_on:
    - app1
    - app2
    deploy:
      resources:
        limits:
          cpus: '0.2'
          memory: '50MB'

  postgres:
    image: postgres:16.2-alpine
    restart: always
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    ports:
    - 5432:5432
    network_mode: host
    volumes:
    - ./postgresql.conf:/etc/postgresql.conf
    command: ["postgres", "-c", "config_file=/etc/postgresql.conf"]
    deploy:
      resources:
        limits:
          cpus: '0.6'
          memory: '260MB'