server { listen 5000; server_name localhost; location / { proxy_pass http://127.0.0.1:5000/; # make sure to add trailing slash here! proxy_set_header Host $http_host; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Scheme $scheme; proxy_http_version 1.1; client_max_body_size 0; } # redirect server error pages to the static page /50x.html error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } }