docker-compose.yaml

version: '3.9'
name: 'rinha-de-backend-2'

#  1.5 CPUs =   0.5 PostgreSQL +   2 x     0.45 Java puro +     0.1 NGinx
#  550MB = 200MB PostgreSQL + 2 x 165MB  Java puro + 20MB NGinx

services:
  javinha1: &api
    image: docker.io/boaglio/jaiminho:latest
    hostname: javinha1
    network_mode: host
    environment:
      - SERVER_PORT=8081
    depends_on:
      db:
        condition: service_healthy
    ulimits:
      nofile:
        soft: 1000000
        hard: 1000000
    deploy:
      resources:
        limits:
          cpus: '0.45'
          memory: '165MB'

  javinha2:
    <<: *api
    hostname: javinha2
    environment:
      - SERVER_PORT=8082

  nginx:
    image: nginx:latest
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - javinha1
      - javinha2
    network_mode: host
    deploy:
      resources:
        limits:
          cpus: '0.2'
          memory: '20MB'

  db:
    image: postgres:latest
    hostname: db
    network_mode: host
    restart: always
    environment:
      - POSTGRES_USER=admin
      - POSTGRES_PASSWORD=rinha
      - POSTGRES_DB=rinhadepostgres
    volumes:
      - ./docker-entrypoint-initdb.d/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
      - ./postgresql.conf:/etc/postgresql/postgresql.conf
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: '200MB'
    command: postgres -c checkpoint_timeout=600 -c max_wal_size=2096 -c synchronous_commit=0 -c full_page_writes=0 -c fsync=off -c check_function_bodies=false
    healthcheck:
      test: ["CMD-SHELL", "sh -c 'pg_isready -U admin -d rinhadepostgres'"]
      interval: 5s
      timeout: 5s
      retries: 20
      start_period: 5s