docker-compose.yml

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

services:
  api-1:
    image: 'joaovertelo/rinha-backend-micronaut:1.0'
    restart: on-failure
    build:
      context: .
    hostname: api-1
    environment:
      - SERVER_PORT=8080
      - DATABASE_URL=jdbc:postgresql://postgres-db:5432/postgres
      - DATABASE_USERNAME=postgres
      - DATABASE_PASSWORD=postgres
      - REDIS_HOST=redis://cache
    depends_on:
      cache:
        condition: service_healthy
      postgres-db:
        condition: service_healthy
    #      - cache
    ulimits:
      nofile:
        soft: 1000000
        hard: 1000000
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: '0.7GB'
    networks:
      - app-network

  api-2:
    image: 'joaovertelo/rinha-backend-micronaut:1.0'
    restart: on-failure
    build:
      context: .
    hostname: api-2
    environment:
      - SERVER_PORT=8080
      - DATABASE_URL=jdbc:postgresql://postgres-db:5432/postgres
      - DATABASE_USERNAME=postgres
      - DATABASE_PASSWORD=postgres
      - REDIS_HOST=redis://cache
    depends_on:
      cache:
        condition: service_healthy
      postgres-db:
        condition: service_healthy
    #      - cache
    ulimits:
      nofile:
        soft: 1000000
        hard: 1000000
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: '0.7GB'
    networks:
      - app-network

  nginx:
    image: nginx:latest
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - api-1
      - api-2
    ports:
      - "9999:9999"
    networks:
      - app-network
    deploy:
      resources:
        limits:
          cpus: '0.3'
          memory: '0.1GB'

  cache:
    hostname: cache
    image: redis:latest
    ports:
      - '6379:6379'
    deploy:
      resources:
        limits:
          cpus: '0.1'
          memory: '0.1GB'
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - REDIS_DISABLE_COMMANDS=FLUSHDB,FLUSHALL
    healthcheck:
      test: [ "CMD", "redis-cli", "--raw", "incr", "ping" ]
    networks:
      - app-network

  postgres-db:
    image: postgres:latest
    command: 'postgres -c max_connections=600' #      -c shared_buffers=256MB -c synchronous_commit=off -c fsync=off -c full_page_writes=off
    container_name: rinha-backend-micronaut-db
    user: postgres
    environment:
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_USER=postgres
      - POSTGRES_DB=postgres
    healthcheck:
      test: [ "CMD-SHELL", "pg_isready" ]
      interval: 3s
      timeout: 5s
      retries: 10
    deploy:
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3
        window: 60s
      resources:
        limits:
          cpus: '1'
          memory: '1.4GB'
    volumes:
      - ./sql/create_tables.sql:/docker-entrypoint-initdb.d/create_tables.sql
    networks:
      - app-network

networks:
  app-network: