map $http_upgrade $connection_upgrade { default upgrade; '' close; } map $remote_addr $endpoint_addr { "~:" [::1]; default 127.0.0.1; } server { listen 443 ssl http2 default_server; listen [::]:443 ssl http2 default_server; server_name {{domain}}; ssl_certificate /etc/letsencrypt/live/{{domain}}/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/{{domain}}/privkey.pem; location / { proxy_http_version 1.1; proxy_pass http://$endpoint_addr:48087; 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_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; proxy_cache_bypass $http_upgrade; } }