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# Prerequisites
To develop on this gem, you must the following installed:
* a sane Ruby 1.9+ environment with `bundler`
```shell
$ gem install bundler
```
* Docker v1.3.1 or greater
# Getting Started
1. Clone the git repository from Github:
```shell
$ git clone git@github.com:swipely/docker-api.git
```
2. Install the dependencies using Bundler
```shell
$ bundle install
```
3. Create a branch for your changes
```shell
$ git checkout -b my_bug_fix
```
4. Make any changes
5. Write tests to support those changes.
6. Run the tests:
* `bundle exec rake`
7. Assuming the tests pass, open a Pull Request on Github.
# Using Rakefile Commands
This repository comes with five Rake commands to assist in your testing of the code.
## `rake rspec`
This command will run Rspec tests normally on your local system. You must have all the required base images pulled.
## `rake quality`
This command runs a code quality threshold checker to hinder bad code.
## `rake unpack`
Pulls down all the required base images for testing.
### Setting Up Environment Variables
Certain Rspec tests will require your credentials to the Docker Hub. If you do not have a Docker Hub account, you can sign up for one [here](https://hub.docker.com/account/signup/). To avoid hard-coding credentials into the code the test suite leverages three Environment Variables: `DOCKER_API_USER`, `DOCKER_API_PASS`, and `DOCKER_API_EMAIL`. You will need to configure your work environment (shell profile, IDE, etc) with these values in order to successfully run certain tests.
```shell
export DOCKER_API_USER='your_docker_hub_user'
export DOCKER_API_PASS='your_docker_hub_password'
export DOCKER_API_EMAIL='your_docker_hub_email_address'
```
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