Choosing the best EC2 Instance for your production needs

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written 3.9 years ago by

yashbeer ★ 11k

The deployment choices are made keeping in mind that the website needs to handle 2 million users per month.

Current Webserver requirement: 4 vCPUs + 14GB RAM

Current Database Server requirement: 1 vCPUs + 3GB RAM

First thing first, we need to decide upon a region to deploy EC2 instances. Here's a great blog by Concurrency Labs to help us choose one.

Recommended: N. Virginia (us-east-1)

Next up, read about various AWS instance types and use AWS cost calculator to calculate approx cost.

Here are the most suitable instances as per our needs. However, It could be overwhelming to find the best from gazillion choices.

Plan Type	Plan Name	Arch	#CPU	#RAM (GB)	Hourly Rate	~ Monthly Cost	Good for
General Purpose	m6g.medium	arm	1	4	-	15 USD	Db server
General Purpose	m6g.xlarge	arm	4	16	-	50 USD	Web server
General Purpose	t3a.xlarge	x86	4	16	-	71 USD	Web server

Went ahead with t3a.xlarge for Web server and m6g.medium for Mysql server.

Important Note: It's better to stick with Intel x86 architecture for docker because it's more popular with other vendors as compared to arm architecture. Because in the future, if you need to move out of AWS, it might just be easy.

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