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Lessons (14)

• HCL, Resource Addresses, and Project Layout

  … An argument assigns an expression to a name. hcl resource "local file" "notes" { filename = "${path.module}/notes.txt …

• Production Capstone and Interview Practice

  … Define typed variables and use the environment and owner in tags. hcl modules/private-storage/variables.tf variable …

• Reusable Modules and Clear Interfaces

  … outputs.tf : hcl output "filename" { value = local file.config.filename } In the root main.tf : hcl terraform { required …

• Testing, Preconditions, and Policy Checks

  … Create tests/service.tftest.hcl : hcl run "api filename contract" { command = plan assert { condition = endswith(output.api config …

• Imports, Moved Blocks, and Safe Refactoring

  … In an AWS-configured root, write matching resource configuration and an import block: hcl resource "aws s3 bucket …

• Variables, Locals, Outputs, and Validation

  … Retain its terraform block, replace the original resource and output, and add: hcl variable "project" { type = string description …

• Count, for_each, Functions, and Stable Identities

  … Those identifiers become part of the state address. hcl Keep the local provider configuration from lesson 2. variable …

• Dependencies, Data Sources, and Resource Lifecycle

  … A reference tells it both which value to use and what must exist first: hcl resource "aws vpc …

• Your First Terraform Project

  … This is a minimum for the examples, not a claim about the newest release. Create main.tf hcl …

• Environments, Workspaces, and Multiple Accounts

  … Pass aliases explicitly when a module should use one: hcl Assume ./modules/private-storage declares hashicorp/aws as …

• State, Remote Backends, and Locking

  … In the application root: hcl terraform { backend "s3" { bucket = "replace-with-your-existing-state-bucket" key = "academy/dev …

• Providers and Your First AWS Resources

  … complete private bucket example Save as main.tf : hcl terraform { required version = " = 1.11, < 2.0" required providers …

• Terraform: Start Here

  … understand the workflow, run a local lab, learn HCL and inputs, then create private AWS storage. 2. Intermediate …

• Secrets, Ephemeral Values, and Least Privilege

  … In a supporting configuration: hcl variable "session token" { type = string sensitive = true ephemeral = true } This value must be …