From 0d059195a26d982d28ba4484c7aa43c7594fca98 Mon Sep 17 00:00:00 2001
From: Robert <RWinter85@gmail.com>
Date: Tue, 19 Mar 2019 14:03:16 -0400
Subject: [PATCH] feat: enabled healthcheck for ALB in AWS healthchecks (#24)

---
 src/index.js      |  1 +
 src/lib/server.js | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/index.js b/src/index.js
index 494f6cb8..2f5df072 100644
--- a/src/index.js
+++ b/src/index.js
@@ -10,6 +10,7 @@ let server = new FHIRServer(SERVER_CONFIG)
 	.configureMiddleware()
 	.configurePassport()
 	.configureHelmet()
+	.enableHealthCheck()
 	.setProfileRoutes()
 	.setErrorRoutes();
 
diff --git a/src/lib/server.js b/src/lib/server.js
index a5cb5de8..25f3184d 100644
--- a/src/lib/server.js
+++ b/src/lib/server.js
@@ -119,6 +119,16 @@ class Server {
 		return this;
 	}
 
+	// enable health check
+	enableHealthCheck () {
+		// just send a simple 200 response for healthcheck
+		this.app.use('/healthcheck', (_req, res) =>
+			res.status(200).json({ uptime: process.uptime() })
+		);
+		// return self for chaining
+		return this;
+	}
+
 	// Setup profile routes
 	setProfileRoutes() {
 		this.logger.info('Loading GraphQL schemas and setting routes');