Hopefully a fix for the 4001 bug we have been experiencing.

packages/server/src/app.js

@@ -1,4 +1,5 @@
 const Koa = require("koa")
+const destroyable = require("server-destroy")
 const electron = require("electron")
 const koaBody = require("koa-body")
 const logger = require("koa-pino-logger")
@@ -44,6 +45,7 @@ if (electron.app && electron.app.isPackaged) {
 }
 
 const server = http.createServer(app.callback())
+destroyable(server)
 
 server.on("close", () => console.log("Server Closed"))
 
@@ -51,3 +53,14 @@ module.exports = server.listen(env.PORT || 4001, () => {
   console.log(`Budibase running on ${JSON.stringify(server.address())}`)
   automations.init()
 })
+
+process.on("uncaughtException", err => {
+  console.error(err)
+  server.close()
+  server.destroy()
+})
+
+process.on("SIGTERM", () => {
+  server.close()
+  server.destroy()
+})