Sensitive Variables in Terraform

Mastering Sensitive Variables in Terraform: Security, State, and Best Practices

Imagine you have just finished writing a perfect Terraform configuration. You’ve defined your VPC, your EC2 instances, and your RDS database. Everything looks great, except for one thing: the database password. If you hardcode that password directly into your .tf files, you’ve just created a massive security vulnerability. If that code is pushed to a version control system like GitHub, your credentials are now part of the permanent history of that repository.