Nginx Domain Mapping And Configuration

1. Create a domain mapping file, in folder /etc/nginx/, default file is for primary/main domain. We can create config file with domain name. Config file sample mentioned below: Configuration file (name: default) without ssl certificate

server {
	listen 80;
	listen [::]:80;
	server_name 
	access_log /var/log/nginx/nginx.vhost.access.log;
	error_log /var/log/nginx/nginx.vhost.error.log;
	location / {
		proxy_pass http://(localIP):3000;
	} 
}

Configuration file (name: default) with ssl certificate

server { 
	listen 80; 
	listen [::]:80; server_name ; 
	return 301 http://$server_name$request_uri; 
}

server { 
	listen 443 ssl; 
	listen [::]:443 ssl; 
	server_name <>; 
	ssl on; 
	ssl_certificate /etc/ssl/certs/certificate.crt; 
	ssl_certificate_key /etc/ssl/certs/private.key; 
	access_log /var/log/nginx/nginx.vhost.access.log; 
	error_log /var/log/nginx/nginx.vhost.error.log; 
	location / { 
		proxy_set_header X-Forwarded-For $remote_addr; 
		proxy_set_header Host $http_host; 
		proxy_pass http://127.0.0.2:3000; 
	} 
}

2. Copy config files from folder /etc/nginx/ to folder /etc/nginx/sites-available with below commands

$ sudo cp default sites-available/ 

3. To enable sites/site’s congituation, create soft links with below commands

$ sudo ln -s /etc/nginx/sites-available/default /etc/nginx/sites-enabled/ 

4. Reload nginx service to implement/activate all configurations to system with below command

$ sudo /etc/init.d/nginx reload

Test all configuration is ok or not with below command:

$ sudo nginx -t 

Note: all ssl files (i.e. private.key, certificate.crt, ca_bundle.crt) need to be stored on /etc/ssl/certs/ folder