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Building Scalable Web Applications Using AWS CLI & WordPress

Hands-On: Moving Configuration Parameters to the SSM Parameter Store

Understand how to relocate WordPress application configuration values from EC2 user data to AWS SSM Parameter Store, including handling sensitive database credentials as SecureString. This lesson guides you through using AWS CLI commands to create, read, and overwrite parameters, ensuring your scalable application configurations are stored securely and managed efficiently.

We'll cover the following...

Let’s move the configuration parameters from the EC2 user data into the SSM parameter store.

We learned the commands to do so already in the last lesson:

  • ssm put-parameter to create a new parameter
  • ssm get-parameter to read a SSM parameter

Now it’s your turn!

Extracting database credentials

The script below extracts the EC2 user data from the latest version of our launch template and stores the following configuration values in variables:

  • DB_HOST: The hostname of our RDS database
  • DB_PASSWORD: The password for our RDS database
  • DB_NAME: The database name within RDS database
  • DB_USER: The username to
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