Describe how to setup an EC2 instance to compile

Author: vladgolubev

EC2_INSTANCE.md

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+# Steps
+
+1. Go to [Lambda Execution Environment and Available Libraries](https://docs.aws.amazon.com/lambda/latest/dg/current-supported-versions.html)
+page to get the latest AMI id
+2.  Click on [this link](https://console.aws.amazon.com/ec2/v2/home#Images:visibility=public-images;search=amzn-ami-hvm-2017.03.1.20170812-x86_64-gp2)
+to get AMI id for your region
+3. Spin up a `c5.2xlarge` spot instance with ~ 100 GB of storage attached
+4. Follow the steps in `compile.sh` file in the repo