core/nginx.conf.sigil

{{ $port_map := .PROXY_PORT_MAP | split " " }}
{{ $port_map_list := index $port_map 0 | split ":" }}
{{ $scheme := index $port_map_list 0 }}
{{ $listen_port := index $port_map_list 1 }}
{{ $upstream_port := index $port_map_list 2 }}

{{ $listeners := $.DOKKU_APP_WEB_LISTENERS | split " " }}
{{ $listener_list := index $listeners 0 | split ":" }}
{{ $listener_ip := index $listener_list 0 }}

location /graphql {

    rewrite  ^/graphql/(.*)  /$1 break;

    gzip on;
    gzip_min_length  1100;
    gzip_buffers  4 32k;
    gzip_types    text/css text/javascript text/xml text/plain text/x-component application/javascript application/x-javascript application/json application/xml  application/rss+xml font/truetype application/x-font-ttf font/opentype application/vnd.ms-fontobject image/svg+xml;
    gzip_vary on;
    gzip_comp_level  6;

    proxy_pass  http://{{ $listener_ip }}:{{ $upstream_port }};
    proxy_http_version 1.1;
    proxy_read_timeout {{ $.PROXY_READ_TIMEOUT }};
    proxy_buffer_size {{ $.PROXY_BUFFER_SIZE }};
    proxy_buffering {{ $.PROXY_BUFFERING }};
    proxy_buffers {{ $.PROXY_BUFFERS }};
    proxy_busy_buffers_size {{ $.PROXY_BUSY_BUFFERS_SIZE }};
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;
    proxy_set_header Host $http_host;
    proxy_set_header X-Forwarded-For {{ $.PROXY_X_FORWARDED_FOR }};
    proxy_set_header X-Forwarded-Port {{ $.PROXY_X_FORWARDED_PORT }};
    proxy_set_header X-Forwarded-Proto {{ $.PROXY_X_FORWARDED_PROTO }};
    proxy_set_header X-Request-Start $msec;

    if ($request_method = 'OPTIONS') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        #
        # Custom headers and headers various browsers *should* be OK with but aren't
        #
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
        #
        # Tell client that this pre-flight info is valid for 20 days
        #
        add_header 'Access-Control-Max-Age' 1728000;
        add_header 'Content-Type' 'text/plain; charset=utf-8';
        add_header 'Content-Length' 0;
        return 204;
     }

     if ($request_method = 'POST') {
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
     }

     if ($request_method = 'GET') {
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
     }
}