Inscriçao Jose Baroni - GoLang

participantes/josebaroni/README.md

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+# Jose Baroni - Rinha de Backend
+
+
+Stack:
+- Go
+- Go Fiber
+- pgx (SQL Driver)
+- PostgreSQL
+- Nginx
+
+Autor:
+- [LinkedIn](https://www.linkedin.com/in/josebaroni/)
+- [Repositório](https://github.com/zebaroni/rinha-backend-2024-q1)
+
+Resultados:
+- Mean Request Time: **2ms**
+- Max Request Time: **18ms**
+
+![Test Screenshot](/test-ss.png)

participantes/josebaroni/config/database/postgresql.conf

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+listen_addresses = '*'
+max_connections = 250
+superuser_reserved_connections = 3
+unix_socket_directories = '/var/run/postgresql'
+shared_buffers = 512MB
+work_mem = 4MB
+maintenance_work_mem = 256MB
+effective_cache_size = 1GB
+wal_buffers = 64MB
+checkpoint_timeout = 10min
+checkpoint_completion_target = 0.9
+random_page_cost = 4.0
+effective_io_concurrency = 2
+autovacuum = on
+log_statement = 'none'
+log_duration = off
+log_lock_waits = on
+log_error_verbosity = terse
+log_min_messages = panic
+log_min_error_statement = panic

participantes/josebaroni/config/database/schema.sql

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+CREATE TABLE clients
+(
+    id            INT PRIMARY KEY,
+    account_limit INTEGER NOT NULL,
+    balance       INTEGER NOT NULL DEFAULT 0
+);
+
+CREATE UNLOGGED TABLE transactions
+(
+    id          SERIAL PRIMARY KEY,
+    client_id   INTEGER     NOT NULL,
+    amount      INTEGER     NOT NULL,
+    operation   CHAR(1)     NOT NULL,
+    description VARCHAR(10) NOT NULL,
+    created_at  TIMESTAMP   NOT NULL DEFAULT NOW(),
+    CONSTRAINT fk_transactions_client_id
+        FOREIGN KEY (client_id) REFERENCES clients (id)
+);
+
+ALTER TABLE transactions SET (autovacuum_enabled = false);
+
+DO
+$$
+BEGIN
+INSERT INTO clients (id, account_limit)
+VALUES (1, 100000),
+       (2, 80000),
+       (3, 1000000),
+       (4, 10000000),
+       (5, 500000);
+END;
+$$

participantes/josebaroni/config/nginx/nginx.conf

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+events {
+	worker_connections 2048;
+}
+
+http {
+	access_log off;
+
+	upstream api {
+		server api01:3000;
+		server api02:3000;
+	}
+
+	server {
+        http2 on;
+	    gzip on;
+		listen 9999;
+
+		location / {
+			proxy_pass http://api;
+		}
+	}
+}

participantes/josebaroni/docker-compose.yml

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+version: "3.5"
+
+services:
+  api01: &api
+    image: zebaroni/rinha-backend-2024-q1:latest
+    hostname: api01
+    restart: unless-stopped
+    networks:
+      - default
+    environment:
+      - APP_PORT=3000
+      - DATABASE_URL=postgres://rinha:rinha@db:5432/rinha
+    depends_on:
+      - db
+    deploy:
+      resources:
+        limits:
+          cpus: "0.15"
+          memory: "100MB"
+
+  api02:
+    <<: *api
+    hostname: api02
+
+  db:
+    image: postgres:latest
+    hostname: db
+    restart: unless-stopped
+    networks:
+      - default
+    environment:
+      POSTGRES_DB: rinha
+      POSTGRES_USER: rinha
+      POSTGRES_PASSWORD: rinha
+    ports:
+      - "5432:5432"
+    volumes:
+      - ./config/database/schema.sql:/docker-entrypoint-initdb.d/init.sql
+      - ./config/database/postgresql.conf:/docker-entrypoint-initdb.d/postgresql.conf
+    command: postgres -c config_file=/docker-entrypoint-initdb.d/postgresql.conf
+    deploy:
+      resources:
+        limits:
+          cpus: '1'
+          memory: "300MB"
+
+  nginx:
+    image: nginx
+    container_name: nginx
+    volumes:
+      - ./config/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
+    ports:
+      - "9999:9999"
+    depends_on:
+      - api01
+      - api02
+    deploy:
+      resources:
+        limits:
+          cpus: '0.2'
+          memory: '50MB'
+
+networks:
+  default:
+    driver: bridge
+    name: rinha-network