The varnish is an HTTP booster, designed to boost huge webpages and provide enhanced performance for your Magento 2 store. This article shows you to Install & Configure Varnish to Use with Magento 2.
Learn How to Setup Varnish for Magento 2 on an EC2 server stepwise
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For More Details: https://magecomp.com/blog/setup-varn...on-ec2-server/