events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    server {
        listen 8000;
        location / {
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Credentials' true;
                add_header 'Access-Control-Allow-Origin' $http_origin;
                add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, 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-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain; charset=utf-8';
                add_header 'Content-Length' 0;
                return 204;
            }
            proxy_pass       http://127.0.0.1:3000;
            proxy_set_header X-Forwarded-For $remote_addr;
        }

        location /api {
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Credentials' true;
                add_header 'Access-Control-Allow-Origin' $http_origin;
                add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS, PUT, PATCH';
                add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Cookie';
                add_header 'Access-Control-Expose-Headers' 'Content-Length,Set-Cookie,Content-Range';
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain; charset=utf-8';
                add_header 'Content-Length' 0;
                return 204;
            }
            proxy_pass       http://127.0.0.1:5463;
            proxy_set_header X-Forwarded-For $remote_addr;
        }

        location ~ /api/(v[0-9]+)/ {
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Credentials' true;
                add_header 'Access-Control-Allow-Origin' $http_origin;
                add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS, PUT';
                add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Cookie';
                add_header 'Access-Control-Expose-Headers' 'Content-Length,Set-Cookie,Content-Range';
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain; charset=utf-8';
                add_header 'Content-Length' 0;
                return 204;
            }

            proxy_pass       http://127.0.0.1:8088;
            proxy_set_header X-Forwarded-For $remote_addr;
        }

        location ~ /api/file/ {
            client_max_body_size 0;
            if ($request_method = 'GET') {
                add_header 'Content-Type' 'data:application/octet-stream';
            }
            proxy_pass       http://127.0.0.1:8088;
            proxy_set_header X-Forwarded-For $remote_addr;
        }

        location /files/ {
            root /usr/share/nginx/app/static;
            gzip on;
        }
        add_header 'Access-Control-Allow-Origin' $http_origin always;
        add_header 'Access-Control-Allow-Credentials' true always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,Cookie,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Set-Cookie,Content-Range' always;
    }
}