Terraform official Docker image can't see my files

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I'd like to use the official Hashicorp image to run Terraform rather than install manually. I have followed the docs on dockerhub but there aren't any details about how where to mount volumes - e.g. with 'main.tf' in current directory:

> docker run -i -t hashicorp/terraform:light init main.tf
Terraform initialized in an empty directory!

The directory has no Terraform configuration files. You may begin working
with Terraform immediately by creating Terraform configuration files.


> docker run -i -t hashicorp/terraform:light plan main.tf
stat main.tf: no such file or directory

Where do I mount the files? Is there any docuementation beyond the dockerhub page that I can also use?

terraform docker
1 Answers

The Docker Hub docs for this image are misleading and unhelpful boilerplate, unfortunately. I would ignore them.

You need to provide the present working directory as a volume mount and you'll want to pin the version of Terraform as well as follows:

docker run -v `pwd`:/workspace -w /workspace hashicorp/terraform:0.12.26 init
docker run -v `pwd`:/workspace -w /workspace hashicorp/terraform:0.12.26 apply
docker run -v `pwd`:/workspace -w /workspace hashicorp/terraform:0.12.26 destroy

This is based on the blog post Terraform With Docker by Victor Leong.

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