download big file with limt upstream ,post file - php

Question

on jumpstarter.io
i have project php
i want dowload file larger from server via HTTP [php]
file size limit = 30 MB for post file
i can't config http {} of the nginx.conf file normally located at /etc/nginx/nginx.conf:
and php.ini
Editable :
NginX Configuration
server {
listen 0.0.0.0;
root /var/www;
index index.php index.html index.htm;
location / {
try_files $uri $uri/ /index.php?$args;
}
location = /favicon.ico {
log_not_found off;
access_log off;
}
location = /robots.txt {
allow all;
log_not_found off;
access_log off;
}
# location ~* \\.(js|css|png|jpg|jpeg|gif|ico)$ {
# expires 2w;
# }
location ~* \\.php$ {
fastcgi_index index.php;
fastcgi_pass unix:/var/run/php-fpm.sock;
include /etc/nginx/fastcgi_params;
fastcgi_param PHP_VALUE "
display_errors=On
display_startup_errors=On
error_reporting=30719
";
}
}
Default: /etc/nginx/nginx.conf (can't edit)
user http;
worker_processes 2;
pid /var/run/nginx.pid;
daemon off;
events {
worker_connections 768;
}
http {
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
client_max_body_size 20m;
client_body_buffer_size 128k;
include /etc/nginx/mime.types;
# logging
access_log /var/log/nginx-access.log;
error_log /var/log/nginx-error.log;
# gzip
gzip on;
gzip_disable "msie6";
# vhost
include /etc/nginx/sites-enabled/*;
}
Anyone help me . thanks