feat: build docker

node-ip-address/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:18-alpine3.17
+
+RUN mkdir -p /home/app
+
+WORKDIR /home/app
+
+COPY build ./build
+COPY package.json .
+
+RUN yarn install --frozen-lockfile --production
+
+EXPOSE 4500
+
+ENTRYPOINT ["node", "build/index.js"]

node-ip-address/README.md

@@ -16,3 +16,6 @@ yarn install
 yarn start
 ```
 The application will be launched by [Nodemon](https://nodemon.com) so it's will restart automatically on file change
+
+# docker run -d -p 4500:4500 --name node-ip-app --rm node-ip-app:latest
+# docker run -d -p 4503:4500 --name node-ip-app --rm tericcabrel/node-ip-app:latest

node-ip-address/src/index.ts

@@ -8,13 +8,21 @@ const PORT = parseInt(process.env.PORT || '4500');
 
 const app = express();
 
+app.set('trust proxy', true);
+
 app.use(express.urlencoded({ extended: true }));
 app.use(express.json());
 
 app.get('/', (req, res) => {
   return res.json({ message: 'Hello World!' });
 });
 
+app.get('/ipv4', (req, res) => {
+  const ipAddress = req.ip;
+
+  return res.json({ message: `Hello! Your IP address is: ${ipAddress}` });
+});
+
 app.listen(PORT, () => {
   console.log(`Application started on URL ${HOST}:${PORT} 🎉`);
 });