Deploy with SVR.JS

SVR.JS is web server software running on Node.JS. This tutorial will guide you on how to deploy MERNMail application with SVR.JS web server.

Follow these steps to install and set up MERNMail with SVR.JS on GNU/Linux systems:

1. Install SVR.JS

First, install SVR.JS:

curl -fsSL https://downloads.svrjs.org/installer/svr.js.installer.linux.20240509.sh > /tmp/installer.sh && sudo bash /tmp/installer.sh

You can also copy the installation command from the SVR.JS website

2. Configure SVR.JS

Open the /etc/svrjs-config.json file in your preferred text editor, and alter the configuration like this (wwwroot webroot property in the SVR.JS configuration serves as MERNMail application root):

{
  "customHeaders": {
    "x-content-type-options": "nosniff",
    "Content-Security-Policy": "default-src 'self'; script-src 'self' 'sha256-VA8O2hAdooB288EpSTrGLl7z3QikbWU9wwoebO/QaYk=' 'sha256-+5XkZFazzJo8n0iOP4ti/cLCMUudTf//Mzkb7xNPXIc=' 'sha256-MS6/3FCg4WjP9gwgaBGwLpRCY6fZBgwmhVCdrPrNf3E=' 'sha256-tQjf8gvb2ROOMapIxFvFAYBeUJ0v1HCbOcSmDNXGtDo='; style-src 'self' 'unsafe-inline'; img-src 'self' data: *; frame-src 'self' data:",
    "Referrer-Policy": "strict-origin-when-cross-origin",
    "Permissions-Policy": "geolocation=(), camera=(), microphone=(), fullscreen=*",
    "Feature-Policy": "geolocation 'none', camera 'none', microphone 'none', fullscreen *"
  },
  "nonStandardCodes": [
    {
      "scode": 403,
      "regex": "/^\\/\\.env(?:\\.local|\\.production)?(?:$|[#?])/"
    },
    {
      "scode": 403,
      "regex": "/^\\/\\.git/"
    }
  ],
  "wwwroot": "/var/lib/mernmail",
  ... other configuration options
}

3. Set up MERNMail

Run these commands to set up MERNMail:

cd /var/lib
git clone https://git.svrjs.org/mernmail/mernmail.git
chown -hR svrjs:svrjs /var/lib/mernmail
cd mernmail
sudo runuser svrjs -s /bin/bash -c 'cd /var/lib/mernmail && npm install && npm run build'

4. Configure MERNMail

Copy the .env.example file to a .env file in the MERNMail root directory (like /var/lib/mernmail). The configuration options can be found in the Configuration page.

For additional security, you can set the permissions for the .env file using this command:

sudo chmod 600 /var/lib/mernmail/.env

5. Install MERNMail integration mod

Run these commands to install the MERNMail integration mod for SVR.JS (replace /usr/lib/svrjs with SVR.JS installation directory):

cd ~
git clone https://git.svrjs.org/mernmail/mernmail-svrjs-mod.git
cd mernmail-svrjs-mod
npm install
npm run build
cp dist/mod.js /usr/lib/svrjs/mods/mernmail.js

6. Restart SVR.JS

Restart SVR.JS using either sudo systemctl restart svrjs or sudo /etc/init.d/svrjs restart command.

Updating MERNMail

To update the MERNMail webmail application, run this command:

sudo runuser svrjs -s /bin/bash -c 'cd /var/lib/mernmail && git pull && npm install && npm run build'

After updating MERNMail, restart SVR.JS using either sudo systemctl restart svrjs or sudo /etc/init.d/svrjs restart command.

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