Terraform & OpenTofu

File Organization & Naming

File	Purpose
`terraform.tf`	Terraform + provider version requirements
`providers.tf`	Provider configurations
`main.tf`	Primary resources and data sources
`variables.tf`	Input variables (alphabetical)
`outputs.tf`	Output values (alphabetical)
`locals.tf`	Local values

Lowercase with underscores: web_api, not webAPI or web-api
Descriptive nouns excluding resource type: aws_instance.web_api not aws_instance.web_api_instance
Singular, not plural
this for singleton resources (one of that type per module)
Contextual variable prefixes: vpc_cidr_block not cidr

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