Activity 2 AWS Infra Contd

• Now we need to create a ec2 instance (virtual machine), So lets try to understand how to do it manually

• Refer Here to understand create the ec2 instance

• While creating ec2 instance, we provide following inputs

  • ami-id
  • network settings:
    • vpc-id
    • subnet-id
    • public ip => Enabled/Disabled
  • Tags
  • Security Group
  • Key-Pair

• Lets try to create a security group for web servers

  • Allow all traffic on SSH (TCP=>22), HTTP(TCP=>80), HTTPS(TCP=>443)
  • Refer Here for the documentation.
  • Refer Here for the changes to be done
  • After applying the changes view the security group in AWS Refer Here

• Lets also use locals to represent the values which we are using in terraform configuration but we dont expect these values as user inputs Refer Here

• Lets create a security group for database => Postgres (5432)

  • Lets open Postgres only to ec2 instance in our vpc
  • Refer Here for the changes done.
  • The result