Terraform Tutorial — Data Sources
Data sources let Terraform read information from existing infrastructure without managing it. They are read-only — Terraform never creates, updates, or destroys data source resources.
What’s in this Chapter?
| # | Topic | Description |
|---|---|---|
| 1 | What Are Data Sources? | Purpose, syntax, read-only behavior |
| 2 | Data Source Syntax | The data block, arguments, attributes |
| 3 | AWS Data Source Examples | AMI, VPC, availability zones |
| 4 | Filtering Data Sources | filter blocks, most_recent, owners |
| 5 | Combining Data Sources with Resources | Practical patterns |
| 6 | Practice Exercises | Hands-on data source exercises |