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A Private Terraform Module Registry in the early stages of development.


  • Node.js 8+

  • HTTPS - Terraform module registry only support HTTPS.


citizen server

To launch the registry server

$ ./citizen server

It will be launched at http://localhost:3000. You can check it at http://localhost:3000/health.

Because Terraform CLI works with only HTTPS server, you should set up HTTPS in front of the registry server.

If you want to test it at local, you need a tool which provides HTTPS like ngrok.

Environment variables:

  • CITIZEN_DATABASE: Backend provider for registry metadata. Set to mongodb to use MongoDB. Leaving unset will use local nedb file.

  • CITIZEN_MONGO_DB_URI: MongoDB database URI if using MongoDB backend. URI format is mongodb://username:password@host:port/database?options…​. Default is mongodb://localhost:27017/citizen

  • CITIZEN_DB_DIR: A directory to save database file if using local backend storage. The default is data directory in a current working directory (absolute/relative path can be used).

  • CITIZEN_STORAGE : Storage type to store module files. You can use file or s3 type.

  • CITIZEN_STORAGE_PATH: A directory to save module files only if CITIZEN_STORAGE is file (absolute/relative path can be used).

  • CITIZEN_AWS_S3_BUCKET`: A S3 bucket to save module files only if CITIZEN_STORAGE is s3.

  • AWS_ACCESS_KEY_ID: Your AWS access key only if CITIZEN_STORAGE is s3.

  • AWS_SECRET_ACCESS_KEY: Your AWS secret access key only if CITIZEN_STORAGE is s3.

citizen publish

Since official Terraform Module Registry is integrated with GitHub, users can publish terraform modules if they just push it on GitHub.

Citizen provides a special command to publish a module onto citizen registry server instead integrating GitHub.

In a module directory, you can publish your terraform module via a command below:

$ ./citizen publish <namespace> <name> <provider> <version>

You should set CITIZEN_ADDR as citizen registry server address which you will publish your modules to. e.g.


If you have ALB module in ./alb directory and your registry server is launched at, you run below command in ./alb directory to publish ALB module.

  citizen publish dev-team alb aws 0.1.0

Then, you can define it in your terraform file like this:

module "alb" {
  source = ""
  version = "0.1.0"


You can use docker to launch the registry server. The docker image is in outsideris/citizen.

$ docker run -d -p "3000:3000" outsideris/citizen:latest


Set environment variables, see above.

$ ./bin/citizen server
$ ./bin/citizen publish


Set at least a storage path and the s3 bucket name variables for the tests to succeed. You need to be able to access the bucket, so you probably want to have an active aws or aws-vault profile.

Run mongodb first like:

$ docker run -p 27017:27017 --name mongo mongo

Run the tests:

$ npm test

Run the tests with the environment variables prefixed:

$ CITIZEN_STORAGE_PATH=storage CITIZEN_AWS_S3_BUCKET=terraform-registry-modules npm test

Build distributions

$ npm run build

Under dist/, citizen binaries for linux, darwin and windows made.


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