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Terragrunt Terraform Wrapper

⬢ 層級 2技術
高
薪資影響
2 個月
學習時長
中等
難度
12
職業
一覽

Terragrunt wraps Terraform to reduce code duplication, manage environments, and orchestrate dependencies. Used by DevOps and infrastructure engineers managing multi-region, multi-environment deployments. Salary band: 100–160k USD. Time to learn: 3–5 weeks. Adjacent to Terraform, cloud platforms, and IaC. Solves real problems Terraform can't (DRY, dependencies).

什麼是 Terragrunt Terraform Wrapper

Terragrunt is a thin wrapper around Terraform that solves structural problems Terraform can't address: code duplication across environments, state file management, and orchestrating dependencies between modules. It uses HCL configuration (terragrunt.hcl files) to abstract common settings, allowing you to define environments with minimal repeated code. Terragrunt enables teams to manage infrastructure at scale: 100+ modules across 5+ environments without duplicating configuration. It's particularly valuable for large organizations with complex, multi-region deployments.

🔧 工具與生態
TerragruntTerraformHCLDockerAWS/GCP/AzureGitAtlantisTofu

💰 各地區薪資

地區初級中級高級
USA$85,000$130,000$180,000
UK£48,000£78,000£110,000
EU€52,000€82,000€120,000
CANADACA$80,000CA$120,000CA$170,000

❓ 常見問題

Why use Terragrunt instead of plain Terraform?
Terraform has no built-in way to avoid code duplication across environments. Terragrunt provides: remote state management abstraction, DRY configurations, and dependency orchestration. Without it, managing 10 environments duplicates code 10x.
How does Terragrunt handle dependencies between modules?
Use dependency blocks in terragrunt.hcl. Terragrunt builds a DAG and applies modules in correct order, passing outputs from one module as inputs to another.
Can I use Terragrunt with existing Terraform code?
Yes. Wrap existing Terraform modules with terragrunt.hcl files. No Terraform code changes needed; Terragrunt acts as a wrapper.
How do I manage secrets with Terragrunt?
Store secrets in AWS Secrets Manager, Vault, or encrypted S3. Terragrunt can fetch secrets and inject as environment variables or pass to modules. Never commit secrets to Git.
Does Terragrunt add complexity?
Yes, additional layer to learn. But complexity is worth it for multi-environment setups; you'd duplicate way more with plain Terraform.

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