Bugfix/Update worker docker (#4643)

update worker docker

docker/worker/healthcheck/healthcheck.js

@@ -0,0 +1,13 @@
+const express = require('express')
+const app = express()
+
+const port = process.env.WORKER_PORT || 5566
+
+app.get('/healthz', (req, res) => {
+    res.status(200).send('OK')
+})
+
+app.listen(port, () => {
+    // eslint-disable-next-line no-console
+    console.log(`Healthcheck server listening on port ${port}`)
+})

docker/worker/healthcheck/package.json

@@ -0,0 +1,13 @@
+{
+    "name": "flowise-worker-healthcheck",
+    "version": "1.0.0",
+    "description": "Simple healthcheck server for Flowise worker",
+    "main": "healthcheck.js",
+    "private": true,
+    "scripts": {
+        "start": "node healthcheck.js"
+    },
+    "dependencies": {
+        "express": "^4.19.2"
+    }
+}