Articles

• 2023-06-20 ◦ loops - How to for_each through a list(objects) in Terraform 0.12 - Stack Overflow

  Using for_each on a list of strings Using for_each on a list of objects Using for_each to combine two lists Using for_each in a nested block Using for_each as a conditional

• 2023-06-13 ◦ Terraform Files - How to Structure Terraform Project

• 2023-06-13 ◦ 4 Tips to better structure Terraform projects Which files:

  • provider.tf: contains the terraform block and provider block
  • data.tf: contains all data sources
  • variables.tf: contains all defined variables
  • locals.tf: contains all local variables
  • output.tf: contains all output resources

  Locals vs variables:

  • variable blocks: should be used for values that are not known beforehand, such IDs that are defined at runtime.
  • Local blocks: should be used for values that are known beforehand, but are good to abstract as variables, such as constants

  Use yamldecode to load a YAML file with all the settings (instead of defining everything in the TF file)

AWS

• 2023-08-16 ◦ The AWS IA Team’s best practices for Terraform
• 2023-08-02 ◦ Create an AWS CloudWatch Metric Filter and Alarm in Terraform

Layout

• 2023-09-19 ◦ Best practices for using Terraform (Google Cloud)
• 2023-08-01 ◦ How to Create Terraform Multiple Environments
  • separated directors vs workspaces
• 2023-08-01 ◦ How to Manage Terraform State in AWS - DEV Community
  • Mentions workspaces
  • Has a good project layout (where each deployment environment gets its own folder)

Tagging

• 2023-08-01 ◦ Best Practices for Terraform AWS Tags

Security

• 2023-09-15 ◦ Terraform - How do you handle secrets? (r/devops)