Currently, I met a problem when building a web server with Node Express. The problem is how to update some of the service configurations without restarting the service.
For example, the CDN site URL root or user upload file storage folder could be changed from time to time. Now, I put these service configuration into the object, which is required, when express server fires.
I know the nodemon could be used to monitor the file changes, and restarts itself.
Is there a better way to hot update these configuration variables without any outage?
BTW: in production deployment, it uses pm2, and the express server would run in multiple processes.
I have a web app developed with a NodeJS + Express + GraphQL + MongoDB back-end and a ReactJS + Apollo front-end. I would like to deploy this application locally. Is that even possible?
I have come across dozens of "how to deploy to Heroku," "how to deploy to Digital Ocean", "how to deploy to Github", etc. But none that explains how to deploy locally.
Right now, I run: nodemon server for the back-end, and npm start for the front-end. I see the application running on http://localhost:3000/ (I use cors to connect the front end with the server running on port 3001).
I would like to just go to http://localhost:3000/ and see the app without having to execute the commands npm start and nodemon server. Is this possible? If so, how do I do that?
To my knowledge, our local server is not a WAMP server (our OS is Windows though). The IT department told me that it is a
[...] plain, regular old server. The address is localhost running on
port 3000. You can open up another port on 3001 if you need it. Just
drop your stuff on the C: drive and you should be good to go. I've
never heard of Node or React so I can't help if you have questions.
Any ideas? Many thanks in advance for your help!
UPDATE
There seems to be a bit of confusion surrounding what I am looking for. I am trying to deploy this locally.
Let's say, on your local computer (your laptop at home) you go to localhost:3000 on your favorite browser. Unless you are serving something to localhost in that moment nothing is going to show up, it will say "refused to connect" or something. What I want is to be able to open any machine on the network whenever I go to localhost:3000 and my react site appears and functions...does that make more sense?
I don't want this is development mode. I want a build of this project on localhost...I'm starting to think this isn't possible.
As i understood, you want to deploy it on a local server, not locally on your developing device.
I thought about doing that...but I'm not so sure IT will be okay with it always running... :(
How can you use a server if its not running? Just like WAMP (which runs apache), or whatever you got rolling there, it must be running. So, just make it a background process like slawomir suggested.
PS I dont think you understand node server properly though.
Read this to understand why node server needs reloading. After that you need to understand that no hot reload tool is perfect, and you gonna need to restart your server from time to time.
PPS I dont know what this means
[...] plain, regular old server. The address is localhost running on port 3000.
if there is a server running on 3000, youll need to change port for your server to smth else (most common is 9000)
To solve the problem you can create a startup script, which executes npm start and nodemon server. Then make sure to keep it hidden, so that your server will be always running. Keep in mind though, that any errors thrown will stop your server and unless you configure it, the server won't reload by itself.
I would try following:
build your app with the production environment variables set
get all files from dist folder and deploy them in your server
now access your app using localhost/
Maybe what you are looking for is something like ngrok which creates a socks tunnel to your localhost, effectivelly deploying from localhost, as I understand it, allowing you to access your localhost through a url like ldiuhv093.ngrok.io, or even a custom subdomain if you pay for a subscription fee.
If I have this wrong, someone please tell me!
To solve the problem first of need to create a batch file with .bat or .cmd extension and under that file add the following 2 command
nodemon server
npm start
Then follows the following steps to add it as a startup script for windows OS.
Create a shortcut to the batch file.
Once the shortcut has been created, right-click the file and select
Cut.
Press the Start button and type Run and press enter.
In the Run window, type shell:startup to open the Startup folder.
Once the Startup folder has been opened, click the Home tab at the
top of the folder and select Paste to paste the shortcut into the
folder.
Above steps are for example to create a batch file and add it as a startup script for Windows 8 and 10 users.
For better clarity or reference follows the following link.reference-link
There's no option to reload the server while keeping it running. You could, technically, have your 'main' file monitor another file for changes. This would be the file where you actually keep your sever program. Then, on changes, you discard your current logic and start executing that. That said, doing it that way would be very fragile and a very round-about way to do it. It also wouldn't fix your front-end for which you'd need a similar solution.
Instead, you could hook into your favorite editor's save event, and run those two console commands, so that every time you save, the server is automatically brought up. (Make sure to also clean up existing servers)
Run on Save for VSCode
save-commands for Atom
I know this post has been two years. But, I think the solution to your second desired outcome is to use concurrency. https://www.npmjs.com/package/concurrently.
This will allow you to do one NPM START to start two all three processes.
and to your first question, I think the solution is to add Electron to your app so you can package it to an executable application. When you start the app, your express server will start running in the background.
Most people probably don't understand why there is a need for this. Running on local server (computer) allows access to local file system and can even run SQL queries inside the proxy which would require IT involvement if hosted on outside server.
From what I have understand, that you want to deploy your app on local server that means you want to deploy it on the network that you are connected to.
Check ip from the command prompt
To deploy it locally,
Run: HOST=ip npm run start
It will get deploy on your local server. And everyone connected to the server can access the url
If this worked for you, kindly upvote
You need to do npm start There may be other ways of starting it but, all will result in the same. You can read this article on Freecodecamp on deploying on DigitalOcean. You can manipulate it to your localhost. Shouldn't be too different.FCC Tut on Deploying
I'm building a small application that will be running 24/7. I need to be able to give the app Node.js's commands from the console.
Currently, if i want to give an additional command to the app i have to edit it's files, kill it then start it again. I want to start it once and be able to run commands from the console.
I have a windows application with user Interface that do some stuff...
Now my client wants that, when he pushes the power button MyApplication run before he forced to input the username and password!
comment: the system is multi user on windows XP or Seven.
Is it possible anyway?
I found the way to do this was to create a scheduled task with a trigger for "on startup". This starts the application before windows logon. This is particularly useful in a server type environment if you need to have something run that is not a service.
It is simple. The process is.
Run gpedit.msc
Go to computer Configuration -> Windows Setting -> Scripts(Startup/shutdown)
Go to Startup properties then you will get the new windows.
Now add the program that you want to run before login.
The right way to do this is to implement a Windows service.
I've used this article here as I run a Minecraft server which I need to have the console interactive so I can manage the server and running it as a service is not a good solution in such a case: https://www.tenforums.com/tutorials/138685-turn-off-automatically-restart-apps-after-sign-windows-10-a.html
What I did was edit the registry:
Go to HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Create a new DWORD value (if this DWORD doesn't exist already) and
call it RestartApps with the value of 1
This now starts apps that usually startup before you log in and starts the programs in shell:startup
You can not run an exe without first loading the operating system. You can, however, run the exe without logging in first. Just add copy and paste the shortcut for the exe into C:\Documents and Settings\Administrator[or other user name]\Start Menu\Programs\Startup. Then check msconfig to make sure your exe is checked to run on startup.
I would like to write a script to start IIS server automatically if it is stopped.
You can use the IIS Admin Scripts to query the server, and then start it if you need.
The script is located in %systemroot%\system32.
To query you server, just run IIsWeb.vbs /query w3svc/1 from a command line.
If it's not running, then you can run IIsWeb.vbs /start w3svc/1 to start it.
Here is an article with more information on these scripts.
you can look for w3wp.exe in the process list (if it's IIS6)
you can always try "iisreset /start" - I believe, it works even if IIS is already started
take a look at the scripts provided by Microsoft in C:\Inetpub\AdminScripts (assuming default install location), there is startsrv.vbs, startweb.vbs - both do a good job
One simple thing you can do if you are worried about iis not restarting after it fails is to set the services responses. If you go into services and then look at the properties for iis, you will see a recovery tab. Change each of the failure options to restart the service. one thing you could also do is create a batch file that includes
iisreset
and set the option to run program and have that be the program you select.
Found some code here: https://social.msdn.microsoft.com/Forums/en-US/5a01d88b-2b7c-4d0b-bce0-9b90a236b64a/how-to-check-if-iis-is-running?forum=asmxandxml
Example:
Dim sc As New System.ServiceProcess.ServiceController("World Wide Web Publishing Service")
If sc.Status.Equals(System.ServiceProcess.ServiceControllerStatus.Stopped) Or sc.Status.Equals(System.ServiceProcess.ServiceControllerStatus.StopPending) Then
' Start the service if the current status is stopped.
sc.Start()
Else
' Stop the service if its status is not set to "Stopped".
sc.Stop()
End If