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# Plugin Starter Template [![CircleCI branch](https://img.shields.io/circleci/project/github/mattermost/mattermost-plugin-starter-template/master.svg)](https://circleci.com/gh/mattermost/mattermost-plugin-starter-template)
This plugin serves as a starting point for writing a Mattermost plugin. Feel free to base your own plugin off this repository.
To learn more about plugins, see [our plugin documentation](https://developers.mattermost.com/extend/plugins/).
## Getting Started
Use GitHub's template feature to make a copy of this repository by clicking the "Use this template" button.
Alternatively shallow clone the repository matching your plugin name:
```
git clone --depth 1 https://github.com/mattermost/mattermost-plugin-starter-template com.example.my-plugin
```
Note that this project uses [Go modules](https://github.com/golang/go/wiki/Modules). Be sure to locate the project outside of `$GOPATH`.
Edit `plugin.json` with your `id`, `name`, and `description`:
```
{
"id": "com.example.my-plugin",
"name": "My Plugin",
"description": "A plugin to enhance Mattermost."
}
```
Build your plugin:
```
make
```
This will produce a single plugin file (with support for multiple architectures) for upload to your Mattermost server:
```
dist/com.example.my-plugin.tar.gz
```
## Development
To avoid having to manually install your plugin, build and deploy your plugin with login credentials:
```
export MM_SERVICESETTINGS_SITEURL=http://localhost:8065
export MM_ADMIN_USERNAME=admin
export MM_ADMIN_PASSWORD=password
make deploy
```
or with a [personal access token](https://docs.mattermost.com/developer/personal-access-tokens.html):
```
export MM_SERVICESETTINGS_SITEURL=http://localhost:8065
export MM_ADMIN_TOKEN=j44acwd8obn78cdcx7koid4jkr
make deploy
```
If developing a plugin with a webapp, watch for changes and deploy those automatically:
```
export MM_SERVICESETTINGS_SITEURL=http://localhost:8065
export MM_ADMIN_TOKEN=j44acwd8obn78cdcx7koid4jkr
make watch
```
## Q&A
### How do I make a server-only or web app-only plugin?
Simply delete the `server` or `webapp` folders and remove the corresponding sections from `plugin.json`. The build scripts will skip the missing portions automatically.
### How do I include assets in the plugin bundle?
Place them into the `assets` directory. To use an asset at runtime, build the path to your asset and open as a regular file:
```go
bundlePath, err := p.API.GetBundlePath()
if err != nil {
return errors.Wrap(err, "failed to get bundle path")
}
profileImage, err := ioutil.ReadFile(filepath.Join(bundlePath, "assets", "profile_image.png"))
if err != nil {
return errors.Wrap(err, "failed to read profile image")
}
if appErr := p.API.SetProfileImage(userID, profileImage); appErr != nil {
return errors.Wrap(err, "failed to set profile image")
}
```
### How do I build the plugin with unminified JavaScript?
Use `make dist-debug` and `make deploy-debug` in place of `make dist` and `make deploy` to configure webpack to generate unminified Javascript.