map $http_upgrade $connection_upgrade { default upgrade; '' close; } server { server_name {{var_hedgedoc_and_nginx_domain}}; listen [::]:443 ssl http2; listen 443 ssl http2; ssl_certificate /etc/ssl/certs/{{var_hedgedoc_and_nginx_domain}}.pem; ssl_certificate_key /etc/ssl/private/{{var_hedgedoc_and_nginx_domain}}.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; } location /socket.io/ { 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_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; } }