204 β€” Creating Reusable Modules

Intermediate

Learn best practices for creating professional, reusable Terraform modules with validation, documentation, and proper structure.

Learning Objectives

1
Structure modules professionally
2
Add input validation
3
Document modules properly
4
Use locals for internal values
Step 1

Create a module with proper structure

Set up a well-structured module directory following conventions.

Commands to Run

mkdir -p ~/terraform-practice/lesson-204
cd ~/terraform-practice/lesson-204
mkdir -p modules/app-config

What This Does

Professional modules follow a standard structure: main.tf (resources), variables.tf (inputs), outputs.tf (outputs), and optionally versions.tf (provider requirements) and README.md (documentation).

Expected Outcome

Directory structure created for the lesson and module.

Pro Tips

  • 1
    Consistent structure makes modules easier to understand and maintain
Was this step helpful?

All Steps (0 / 8 completed)