AWS Classroom Series – 06/Feb/2020

Cloudformation contd..

• Route table and Routes

• Manual Steps: Public rt routes

• Refer Here for the changes

• Now update the stack by creating a changeset and executing it

• Now lets try to create a security group in the vpc

  • for web subnet to allow 22 port and 80 port to every one
  • for db subnet to allow 3306 port from only vpc (10.10.0.0/16)
  • for app subnet to allow communication of port 8080 from only vpc (10.10.0.0/16)

• Execute the changeset Refer Here

• Lets enable hostnames in VPC

• Create changeset and execute Refer Here for the changes done

• When we upload the template to the cloud formation, cloudformation stores the template in your s3 bucket

• Next Steps:

  • We need to create ec2 instances in
    • web subnet
    • app subnet
  • we need to create a mysql rds instance in db subnet

• Exercise:

  • Try rewriting the whole template by manually executing the steps and using visual studio code and cloud formation documentation.