My website got down even after using aws t2large

Job ID: 31381977

Budget: ₹37,500 – ₹75,000 INR

I'm using aws t2 large ec2 but my website got down even 50 users at a time.

I'll award this project who can explain me the reason behind this.

Running on aws t2large ec2 Apache, Unantu, Mysql, php.
Related categories: MySQL Aws Lambda Cloud Cloud Service