upstream chan { server jschan:7000; } server { server_name _; client_max_body_size 0; listen 80; listen [::]:80; include /etc/nginx/snippets/security_headers.conf; include /etc/nginx/snippets/error_pages.conf; include /etc/nginx/snippets/jschan_clearnet_routes.conf; include /etc/nginx/snippets/jschan_common_routes.conf; }