Example NGINX config for giving Node processes their own config

nginx-node-proxy.conf

  ~ cat /etc/nginx/sites-available/example.com   

# HTTP - redirect all requests to HTTPS:
server {
    listen 80;
    listen [::]:80;
    server_name example.com www.example.com;
    # listen [::]:80 ipv6only=on;
    return 301 https://$server_name$request_uri;
}

# HTTPS - proxy requests on to local Node.js app:
server {
    
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name example.com www.example.com;
    
    error_log /var/log/nginx/example.com.error.log;
    access_log /var/log/nginx/example.com.access.log;
    
    ssl on;
    underscores_in_headers on;
    
    # Use certificate and key provided by Let's Encrypt:
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; # managed by Certbot
    
    # See https://gist.github.com/wesleybliss/01ceeda5a3b59cc1542b915a901e1600
    include snippets/ssl-params.conf;
    
    location / {
        
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-NginX-Proxy true;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_pass http://127.0.0.1:1234; # Any port you want here
        proxy_http_version 1.1;
        proxy_ssl_session_reuse off;
        proxy_cache_bypass $http_upgrade;
        proxy_redirect off;
        
    }
    
}