nginx-config/parts/api-multystub.conf

location /api/ {
    # add_header 'Access-Control-Allow-Origin' '*';
    # add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    # add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
    # add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
    proxy_pass http://backend/;
}

location /multystub/ {
    # add_header 'Access-Control-Allow-Origin' '*';
    add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
    add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
    proxy_pass http://multystub/;
}

location /socket.io/ {

    proxy_pass          http://websocket;

    proxy_http_version  1.1;
    proxy_redirect      off;

    proxy_set_header    Host $host; 
    proxy_set_header    X-Real-IP       $remote_addr; 

    proxy_read_timeout  3600s;

    proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for; 

    proxy_set_header    Upgrade         $http_upgrade; 
    # proxy_set_header    Connection      $connection_upgrade;
    proxy_set_header    Connection      "Upgrade";
}

location /static/ {
    add_header 'Access-Control-Allow-Origin' '*.inno-js.ru';
    add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
    add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
    alias "/home/ijl/ijl/apps/";
}