nginx.conf

server {
    listen 80;
    server_name rupantor.aknibir.dev;

    # REDIRECTINGt HTTP TO HTTPS
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name rupantor.aknibir.dev;

    # SSL CONFIGURATION
    ssl_certificate /etc/letsencrypt/live/rupantor.aknibir.dev/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/rupantor.aknibir.dev/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384';
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;

    # REVERSE PROXY CONFIGURATION
    location / {
        proxy_pass http://localhost:3000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_redirect off;
    }

    # ADDITIONAL SECURITY CONFIGURATION
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header X-Frame-Options "SAMEORIGIN";
    add_header X-XSS-Protection "1; mode=block";
    add_header X-Content-Type-Options "nosniff";

    # ERROR HANDELING CONFIGURATION
    error_page 404 /404.html;
    location = /404.html {
        root /usr/share/nginx/html;
    }
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }
}