adding health check route (#749)

paketo-buildpacks · Jul 12, 2024 · ce3575c · ce3575c
1 parent 2fedfba
commit ce3575c
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Showing 3 changed files with 44 additions and 4 deletions.
diff --git a/nodejs/no-package-manager/server.js b/nodejs/no-package-manager/server.js
@@ -2,6 +2,12 @@ const http = require('http')
 const port = process.env.PORT || 8080
 
 const requestHandler = (request, response) => {
+
+  const requestTime = new Date(Date.now()).toString();
+  console.log(request.method, request.headers.host, request.url, requestTime);
+
+  if (request.url === "/") {
+    response.writeHead(200, { "Content-Type": "text/html" });
     response.end(`<!DOCTYPE html>
 <html>
   <head>
@@ -10,8 +16,18 @@ const requestHandler = (request, response) => {
   <body>
     <img style="display: block; margin-left: auto; margin-right: auto; width: 50%;" src="https://paketo.io/images/paketo-logo-full-color.png"></img>
   </body>
-</html>`)
-}
+</html>`);
+  } else if (
+    request.url === "/actuator/health" &&
+    request.method === "GET"
+  ) {
+    response.writeHead(200, { "Content-Type": "application/json" });
+    response.end(JSON.stringify({ status: "UP" }));
+  } else {
+    response.writeHead(404, { "Content-Type": "text/plain" });
+    response.end("Not Found");
+  }
+};
 
 const server = http.createServer(requestHandler)
 

diff --git a/nodejs/npm/server.js b/nodejs/npm/server.js
@@ -3,6 +3,12 @@ const port = process.env.PORT || 8080;
 
 const app = express();
 
+app.use((request, _, next) => {
+  const requestTime = new Date(Date.now()).toString();
+  console.log(request.method, request.hostname, request.path, requestTime);
+  next();
+});
+
 app.get('/', (request, response) => {
   response.send(`<!DOCTYPE html>
 <html>
@@ -15,4 +21,10 @@ app.get('/', (request, response) => {
 </html>`);
 });
 
-app.listen(port);
+app.get("/actuator/health", (request, response) => {
+  response.json({ status: "UP" });
+});
+
+app.listen(port, () => {
+  console.log(`App listening on port ${port}`);
+});
diff --git a/nodejs/yarn/server.js b/nodejs/yarn/server.js
@@ -3,6 +3,12 @@ const port = process.env.PORT || 8080;
 
 const app = express();
 
+app.use((request, _, next) => {
+  const requestTime = new Date(Date.now()).toString();
+  console.log(request.method, request.hostname, request.path, requestTime);
+  next();
+});
+
 app.get('/', (request, response) => {
   response.send(`<!DOCTYPE html>
 <html>
@@ -15,4 +21,10 @@ app.get('/', (request, response) => {
 </html>`);
 });
 
-app.listen(port);
+app.get("/actuator/health", (request, response) => {
+  response.json({ status: "UP" });
+});
+
+app.listen(port, () => {
+  console.log(`App listening on port ${port}`);
+});