terraform best practices for aws

. Run terraform command with var-file . Enable version control on terraform state files bucket . Manage S3 backend for tfstate files . Notes on S3 . Manage multiple Terraform modules and environments easily with Terragrunt . Retrieve state meta data from a remote backend . Turn on debug when you need do troubleshooting . Use shared modules . Isolate environment . Use terraform import to include as many resources you can . Avoid hard coding the resources . validate and format terraform code . Generate README for each module with input and output variables . Update terraform version . Run terraform in docker container . Run test . Quick start . Run test within docker container . Minimum AWS permissions necessary for a Terraform run . Tips to deal with lambda functions . explanation . Usage of variable "self" . One more use case . Use pre-installed Terraform plugins . Tips to upgrade to terraform 0.12 . Tips to upgrade to terraform 0.13+ . Contributing . useful terraform modules