Expires Caching in .htaccess is not working on Debian Apache server

Following .htaccess entry was not working 
upon examining properly, following code is just fine.

## EXPIRES CACHING ##
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType image/jpg "access plus 1 year"
ExpiresByType image/jpeg "access plus 1 year"
ExpiresByType image/gif "access plus 1 year"
ExpiresByType image/png "access plus 1 year"
ExpiresByType text/css "access plus 1 month"
ExpiresByType application/pdf "access plus 1 month"
ExpiresByType text/x-javascript "access plus 1 month"
ExpiresByType application/x-shockwave-flash "access plus 1 month"
ExpiresByType image/x-icon "access plus 1 year"
ExpiresDefault "access plus 2 days"
</IfModule>
## EXPIRES CACHING ##



in Debian, Apache conf is located at /etc/apache2/apache2.conf
The .htaccess is only funtional if AllowOverride is set to All in this conf file.
See in <Directory /var/www/>
The correct code would be 

<Directory /var/www/>
    Options Indexes FollowSymLinks
    AllowOverride All
    Require all granted
</Directory>

AllowOverride All; as in the code above will let .htaccess to work.

Now, Need to enable Expires Caching (if not enabled)
run following command in terminal

sudo a2enmod expires
sudo systemctl restart apache2

This enabled Expires Caching, also .htaccess is working just fine

A quick test to see Expires: date is to use following code in terminal
wget -S https://login.plus/

check for Expires: Date