Nginx Node.js/Python ?

server {
    listen 80;
    server_name api.example.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name api.example.com;

    ssl_certificate /etc/letsencrypt/live/api.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/api.example.com/privkey.pem;

    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;
    }
}

server { listen 443 ssl http2; server_name example.com; # SSL.. # location / { root /var/www/frontend/dist; try_files $uri $uri/ /index.html; } # API location /api/ { proxy_pass http://localhost:3000/; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; } # WebSocket location /ws/ { proxy_pass http://localhost:3000; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; }
}