docker-compose.yaml

version: "3.5"

services:
    db:
        image: postgres:16.2-bullseye
        hostname: db
        volumes:
            - ./DbSchema/create_db.sql:/docker-entrypoint-initdb.d/create_db.sql
        # removing these got me 300 KOs again, leaving it got me 1 KO. I could make tables UNLOGGED to avoid writing to WAL too, but didn't need to
        command: "postgres -c checkpoint_timeout=600 -c max_wal_size=4096 -c synchronous_commit=0 -c fsync=0 -c full_page_writes=0"
        ports:
            - "5432:5432"
        environment:
            - POSTGRES_PASSWORD=mystrongpassword
            - POSTGRES_USER=admin
            - POSTGRES_DB=rinha
        deploy:
            resources:
                limits:
                    cpus: "1.05" # got up to 50ish %
                    memory: "300MB" # got up to 100ish MB

    api01: &api
        image: marcelocferraz/rinha2024q1-marcelo-python:latest
        hostname: api01
        depends_on:
            - db
        ports:
            - "8081:8081"
        environment:
            - API_HOSTNAME=api01
            - API_PORT=8081
            - DB_PORT=5432
            - DB_HOSTNAME=db
            - DB_NAME=rinha
            - DB_USER=admin
            - DB_PASS=mystrongpassword
            - MAX_CONNECTIONS=10
            - MAX_DB_CONNECTIONS=10
        deploy:
            resources:
                limits:
                    cpus: "0.15" # got up to 20%
                    memory: "100MB" # got up to 50ish MB

    api02:
        <<: *api
        hostname: api02
        ports:
            - "8082:8082"
        environment:
            - API_HOSTNAME=api02
            - API_PORT=8082
            - DB_PORT=5432
            - DB_HOSTNAME=db
            - DB_NAME=rinha
            - DB_USER=admin
            - DB_PASS=mystrongpassword
            - MAX_CONNECTIONS=10
            - MAX_DB_CONNECTIONS=10
        depends_on:
            - api01

    load_balancer:
        image: nginx:latest
        volumes:
            - ./NginxConf/nginx.conf:/etc/nginx/nginx.conf:ro
        depends_on:
            - api01
            - api02
        ports:
            - "9999:9999"
        deploy:
            resources:
                limits:
                    cpus: "0.15" # got up to 10%
                    memory: "50MB" # got to 14 MB

networks:
    default:
        name: rinha-nginx-2024q1