Add dockerfile

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:14
+WORKDIR /app
+
+ENV PORT 8080
+
+COPY package*.json .
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+CMD [ "node", "dist/index.js" ]
+EXPOSE $PORT/tcp

package.json

@@ -20,10 +20,14 @@
     "build": "tsc",
     "lint": "prettier --check src",
     "watch": "tsc --watch",
-    "start": "node ./dist/index.js"
+    "start": "node ./dist/index.js",
+    "test": "npm run lint"
   },
   "dependencies": {
     "@types/node": "*",
-    "typescript": "4.2.4"
+    "typescript": "4.3.2"
+  },
+  "devDependencies": {
+    "prettier": "2.3.1"
   }
 }

src/index.ts

@@ -32,6 +32,20 @@ function parseIp(req: http.IncomingMessage) {
   );
 }
 
+function exit() {
+  console.log("*** Bye! ***");
+  process.exit(0);
+}
+
+process.on("SIGINT", () => exit());
+process.on("SIGTERM", () => exit());
+process.on("SIGHUP", () => exit());
+process.on("SIGUSR2", () => exit());
+
 const server = http.createServer(handle);
 server.listen(port);
+
 console.log(`*** Redirector up and running ***`);
+console.log({ port, destination, http_code });
+console.log("***");
+console.log("");