AWS Classroom Series – 07/Feb/2021

Cloud formation contd..

Lets create an rds instance

• To Create database we will be using AWS RDS

  • Creating a db subnet group with 2 subnets in it
  • We will be using db security group
  • We will be create an rds mysql instance with db.t2.micro

• Manual Steps

  • DB Subnet Group
  • Create an RDS Instance
  • Create an ec2 instance with ubuntu image in app1 subnet
    • Select subnet
    • Select Security group
    • Select Key Value pair
  • Create an ec2 instance and install apache server while creating ec2 instance

• Cloud formation:

  • DB Subnet Group:
    • Refer Here for documentation
    • Refer Here for the changes
  • RDS Instance
    • Refer Here for documentation
    • Refer Here for the changes in cloudformation template
  • EC2 instance in app subnet
    • Refer Here for documentation
    • Refer Here for the changes
  • Create ec2 instance in public web subnet
    • Refer Here for the changes

• Architecture realized so far

• Improvements

  • We need to fix userdata problem
  • AMI ids and instance types are hard coded, we need to use parameters
  • Advanced: we are copying the same resources multiple times in a template to create resources, we need to explore re usability options