From 757ec4358ab4face5fbfac4d61326ae0450f8a15 Mon Sep 17 00:00:00 2001
From: ngosang <ngosang@hotmail.es>
Date: Sun, 4 Apr 2021 20:33:07 +0200
Subject: [PATCH] Add health check endpoint

---
 src/index.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/index.ts b/src/index.ts
index 4d1ef7d..d8e969a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -92,6 +92,16 @@ validateEnvironmentVariables();
 createServer((req: IncomingMessage, res: ServerResponse) => {
   const startTimestamp = Date.now()
 
+  // health endpoint. this endpoint is special because it doesn't print traces
+  if (req.url == '/health') {
+    res.writeHead(200, {
+      'Content-Type': 'application/json'
+    })
+    res.write(JSON.stringify({"status": "ok"}))
+    res.end()
+    return;
+  }
+
   // count the request for the log prefix
   log.incRequests()
   log.info(`Incoming request: ${req.method} ${req.url}`)