[OA][Fullstack] - Welcome to Sarge, Websockets ( Node ) (#260)

* feat: ws in node

* feat: welcome to sarge, websockets (node)

Author: cherman23

.gitignore

@@ -43,6 +43,9 @@ next-env.d.ts
 /src/generated/prisma
 
 .vscode
-
-.vercel
-.env*.local
+
+.vercel
+.env*.local
+
+# ws
+/src/ws/node_modules

docker-compose.yaml

@@ -9,6 +9,7 @@ services:
             DATABASE_URL: postgresql://${DB_USER}:${DB_PASSWORD}@db:5432/${DB_NAME}
         depends_on:
             - db
+            - ws
         volumes:
             - .:/app
             - /app/node_modules
@@ -24,6 +25,16 @@ services:
             - '5432:5432'
         volumes:
             - postgres_data:/var/lib/postgresql/data
+    ws:
+        container_name: sarge_dev_ws
+        build:
+            context: ./src/ws/
+            dockerfile: Dockerfile
+        ports:
+            - 8080:8080
+        volumes:
+            - ./src/ws:/src/ws
+            - /src/ws/node_modules
 
 volumes:
     postgres_data:

src/ws/Dockerfile

@@ -0,0 +1,7 @@
+FROM node:22-slim
+WORKDIR /src/ws
+RUN corepack enable pnpm
+COPY package.json index.js pnpm-lock.yaml* ./
+RUN pnpm install
+
+CMD ["node", "index.js"]

src/ws/index.js

@@ -0,0 +1,9 @@
+import { WebSocketServer } from 'ws';
+
+const ws = new WebSocketServer({ port: 8080 });
+
+ws.on('connection', (ws) => {
+    ws.on('message', (data) => {
+        ws.send(data.toString('utf-8'));
+    });
+});

src/ws/package.json

@@ -0,0 +1,16 @@
+{
+    "name": "ws",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "type": "module",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+        "ws": "^8.20.0"
+    }
+}

src/ws/pnpm-lock.yaml

@@ -8,4 +8,4 @@ cleanup() {
 
 trap cleanup SIGINT SIGTERM
 
-docker compose up -d db && pnpm install && pnpm run dev
+docker compose up -d db ws && pnpm install && pnpm run dev