diff --git a/participantes/lazaronixon/README.md b/participantes/lazaronixon/README.md
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+# Submissão para Rinha de Backend, Segunda Edição: 2024/Q1 - Controle de Concorrência
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/6/62/Ruby_On_Rails_Logo.svg" alt="logo ruby on rails" width="200" height="auto">
+<img src="https://upload.wikimedia.org/wikipedia/commons/3/38/SQLite370.svg" alt="logo sqlite" width="200" height="auto">
+
+## Francisco Zanfranceschi
+
+Submissão feita com:
+- `Ruby on Rails` para api
+- `SQLite` como banco de dados
+- [repositório da api](https://github.com/lazaronixon/rinha-de-backend-2)
+
+[@lazaronixon](https://twitter.com/lazaronixon) @ twitter
diff --git a/participantes/lazaronixon/docker-compose.yml b/participantes/lazaronixon/docker-compose.yml
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+++ b/participantes/lazaronixon/docker-compose.yml
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+version: "3.5"
+
+services:
+  api01: &api
+    image: lazaronixon/rinha-de-backend-2
+    hostname: api01
+    environment:
+      - WEB_CONCURRENCY=0
+      - RAILS_MAX_THREADS=3
+      - RAILS_LOG_LEVEL=warn
+      - RAILS_MASTER_KEY=e06d20a258ff5ebf58ec20aac1eeeaea
+    volumes:
+      - storage:/rails/storage
+    deploy:
+      resources:
+        limits:
+          cpus: "0.65"
+          memory: "250MB"
+
+  api02:
+    <<: *api
+    hostname: api02
+
+  nginx:
+    image: nginx:latest
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+    depends_on:
+      - api01
+      - api02
+    ports:
+      - "9999:9999"
+    deploy:
+      resources:
+        limits:
+          cpus: "0.2"
+          memory: "50MB"
+
+volumes:
+  storage:
+
+networks:
+  default:
+    driver: bridge
+    name: rinha-nginx-2024q1
diff --git a/participantes/lazaronixon/nginx.conf b/participantes/lazaronixon/nginx.conf
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+events {
+    worker_connections 1024;
+}
+
+http {
+    access_log off;
+
+    upstream api {
+        server api01:3000;
+        server api02:3000;
+    }
+
+    server {
+        listen 9999;
+
+        location / {
+            proxy_pass http://api;
+        }
+    }
+}