Use of Node.Js

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For servers in Canada and Singapore, please refer to point 3 here

To activate and use Node Js : from your cPanel, click on icon 'Setup Nodejs App'

Node.js hosting

After, click on 'Create application', versions available are : 6, 8, 9, 10, 11, fill up all required informations :

Web hosting Nodejs

Web Applications page is displayed.

 

 

 

There are several columns in the list.

App URI — application URI including the domain.

App Root Directory —  application root directory relative to user's home.

Mode — can be production or development.

Status — started/stopped — displays if an application is running or not and version of application.

Actions — allows to start, restart, stop, edit, and remove a particular application.

 

How to manage application

Start application

 

To start a stopped application do the following:

Click Start icon in the Actions column in a stopped application row.

When an action is completed a Start icon changes to Stop icon.

 

Stop application

 

To stop a started application do the following:

Click Stop icon in the Actions column in a started application row.

When an action is completed a Stop icon changes to Start icon.

 

Restart application

 

To restart started application do the following:

Click Restart icon in the Actions column in a started application row. A current row is blocked and when a process is completed it will be unblocked.

 

Remove application

 

To remove application do the following:

Click Bin icon in the Actions column in a particular application row.

In the confirmation pop-up click Agree to start removing or Cancel to close pop-up.

When an action is completed an application will be removed from the Web Applications table and a confirmation pop-up will be displayed.

 

Edit application

 

To edit application do the following:

Click Pencil icon in the Actions column in a particular application row. A particular application tab opens.

 

The following actions are available:

Restart application — click Restart button.

Stop Node.js — click Stop Node.js button.

Run JavaScript script — click Run JS Script button to run a command specified in the Scripts section of the package.json file. Specify the name of the script to run plus any parameters then click Ok.

Remove application — click Delete button and confirm the action in a pop-up.

Change Node.js version — choose Node.js version from a drop-down.

Change Application mode — choose application mode from a drop-down. Available modes are Production and Development.

Specify Application root — specify in a field a physical address to the application on a server that corresponds with its URI.

Specify Application URL — specify in a field an HTTP/HTTPS link to the application.

Specify Application startup file — specify as NAME.js file.

Run npm install command — click Run npm install button to install the package(s) described in the package.json file.

Add Environment variables — click Add Variable and specify a name and a value.

 

Application error log

 
Since alt-mod-passenger version 5.3.7-3 we have included support for the PassengerAppLogFile directive.

 
SyntaxPassengerAppLogFile path
DefaultPassengerAppLogFile path-to-passenger-log-file
Context: virtual host, htaccess

 
By default, Passenger log messages are all written to the Passenger log file. With this option, you can have the app specific messages logged to a different file in addition. In alt-mod-passenger, you can use it in the context of a virtual host or in the htaccess file.

 

Known issues : turn off clustering in your code app disableClustering (ref for implementing : https://github.com/log4js-node/log4js-node/issues/525)