server { server_name example.com; listen 5000 ssl; listen [::]:5000 ssl; ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; location / { proxy_pass http://localhost:5001; proxy_set_header Host $host:$port; proxy_set_header X-Forwarded-For $remote_addr; } }