From 8932a445ea32e1ada5d88353c11c4fb07e58008d Mon Sep 17 00:00:00 2001
From: Devin Ivy <devinivy@gmail.com>
Date: Fri, 19 Jan 2024 00:37:30 -0500
Subject: [PATCH] add bsync health check

---
 packages/bsync/src/index.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/bsync/src/index.ts b/packages/bsync/src/index.ts
index 29583f8afcd..cc984d9b35e 100644
--- a/packages/bsync/src/index.ts
+++ b/packages/bsync/src/index.ts
@@ -44,6 +44,11 @@ export class BsyncService {
     })
     const server = http.createServer((req, res) => {
       loggerMiddleware(req, res)
+      if (isHealth(req.url)) {
+        res.statusCode = 200
+        res.setHeader('content-type', 'application/json')
+        return res.end(JSON.stringify({ version: cfg.service.version }))
+      }
       handler(req, res)
     })
     return new BsyncService({ ctx, server, ac })
@@ -89,3 +94,9 @@ export class BsyncService {
 }
 
 export default BsyncService
+
+const isHealth = (urlStr: string | undefined) => {
+  if (!urlStr) return false
+  const url = new URL(urlStr, 'http://host')
+  return url.pathname === '/_health'
+}