Nginx Question posted in
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Run multiple web apps with single nginx server

I have 3 apps written in node js using the express module. Every app supports http and https. I created that for three different ports. I want to run all apps in a single pc with single IP but different domains. I have a linux server. Also, I heard nginx may be able to do it. I want like following example

Localhost:3000 -> www.domain.com
Localhost:3001 ->subdomain.domain.com
Localhost:3002 -> www.anotherdomain.com

How can i do it with it in the linux environment? Please guide me using suitable examples.

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2

Answers


  1. 0

    Assuming you’ve already installed Nginx (apt install Nginx).

    Just create a separate virtual host file per each server.

    For example, it can be like this for http://www.domain.com

    /etc/nginx/sites-enabled/domain.com.conf

    server {
        listen 80;
        server_name www.domain.com;

        
        location / {
          proxy_pass localhost:3000;
        }
}

    and like this for subdomain.domain.com

    /etc/nginx/sites-enabled/subdomain.domain.com.conf

    server {
        listen 80;
        server_name subdomain.domain.com;

        
        location / {
          proxy_pass localhost:3001;
        }
}

    I’m avoiding such things as SSL, root file, etc as this can be found elsewhere.

    https://hackprogramming.com/how-to-setup-subdomain-or-host-multiple-domains-using-nginx-in-linux-server/

    Don’t forget to test nginx sudo nginx -t and restart it to pick up changes (sudo service nginx restart)

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  2. 0
    1. Firstly, install NGINX https://docs.nginx.com/nginx/admin-guide/installing-nginx/installing-nginx-open-source/.
    2. Edit the config file of nginx in the path like /etc/nginx/

    It is good for you to learn editing the config file first. https://docs.nginx.com/nginx/admin-guide/web-server/web-server/

    1. Here are some examples:
    server {
    listen 80;
    server_name www.domain.com;

    location / {
        proxy_pass http://Localhost:3000;
    }
}

server {
    listen 80;
    server_name subdomain.domain.com;

    location / {
        proxy_pass http://Localhost:3001;
    }
}

server {
    listen 80;
    server_name www.anotherdomain.com;

    location / {
        proxy_pass http://Localhost:3002;
    }
}

    When you use domains to visit your page, the configuration above may help you.
    Whats more you should specify one server as your default server when you visit with ip address.

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