How to remove index.php from URL in CodeIgniter ec2 elastic Beanstalk

Add to your .htaccess file where index.php is in public folder.

Code:

    # Remove index.php from URL
    RewriteCond %{HTTP:X-Requested-With}    !^XMLHttpRequest$
    RewriteCond %{THE_REQUEST}              ^[^/]*/index\.php [NC]
    RewriteRule ^index\.php(.*)$            $1 [R=301,NS,L]










finally got it
created a file in nginx (/etc/nginx/conf.d/elasticbeanstalk/01modrewrite.conf)
code :
location / {

        try_files $uri $uri/ /index.php?$query_string;

        # Remove from everywhere index.php
        if ($request_uri ~* "^(./)index\.php(/?)(.)") {
            return 301 $1$3;
        }
    }

.