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helm/docs/types/registry.md

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# Type Registry
The Deployment Manager client allows you to deploy
[template types](https://github.com/kubernetes/deployment-manager/blob/master/docs/design/design.md#templates)
directly from a Github repository. In order for a repository to integrate with
Deployment Manager, it must store Deployment Manager templates in a manner that
conforms to the required **Type Registry** structure detailed below.
## File structure
The repository must use the following file structure to store Deployment
Manager template types:
```
<repository root>/
types/
<type-1>/
<version-1>/
<type-files>
<version-2>/
...
<type-2>/
...
```
## Versions
Each type may contain any number of versions. Versions may be as simple as
`v1`, `latest`, or `head`, or may be more complex to contain major and minor
version numbers. Version format is user-defined.
## Type files
Each type version must contain a top-level Deployment Manager template, named
either `<type-name>.py` or `<type-name>.jinja`, depending on the templating
language used for the type.
A
[template schema](https://github.com/kubernetes/deployment-manager/blob/master/docs/design/design.md#template-schemas)
must also be present, named `<template>.schema`. Other files
may exist as part of the type and imported through the schema, including
sub-templates, data files, or other metadata used by the template.
## Test Configuration
Each type version should include an example YAML configuration called
`example.yaml` to be used for deploying an instance of the type. This is useful
for development purposes.
## Sample Registry
An example of a valid type registry repository looks like:
```
/
types/
redis/
v1/
example.yaml
redis.jinja
redis.jinja.schema
replicatedservice/
v1/
example.yaml
replicatedservice.py
replicatedservice.py.schema
```
For a working example of a type registry, please see the
[kubernetes/deployment-manager registry](https://github.com/kubernetes/deployment-manager/tree/master/types).
## Using Types
The Deployment Manager client can deploy types directly from a registry with
the following command:
```
$ dm deploy <type-name>:<version>
```
This will default to the type registry in the kubernetes/deployment-manager
Github repository. You can change this to another repository that contains a
registry with the `--registry` flag:
```
$ dm --registry my-repo/registry deploy <type-name>:<version>
```