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minio/CONTRIBUTING.md

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# MinIO Contribution Guide [![Slack](https://slack.min.io/slack?type=svg)](https://slack.min.io) [![Go Report Card](https://goreportcard.com/badge/minio/minio)](https://goreportcard.com/report/minio/minio) [![Docker Pulls](https://img.shields.io/docker/pulls/minio/minio.svg?maxAge=604800)](https://hub.docker.com/r/minio/minio/) [![codecov](https://codecov.io/gh/minio/minio/branch/master/graph/badge.svg)](https://codecov.io/gh/minio/minio)
``MinIO`` community welcomes your contribution. To make the process as seamless as possible, we recommend you read this contribution guide.
## Development Workflow
Start by forking the MinIO GitHub repository, make changes in a branch and then send a pull request. We encourage pull requests to discuss code changes. Here are the steps in details:
### Setup your MinIO GitHub Repository
Fork [MinIO upstream](https://github.com/minio/minio/fork) source repository to your own personal repository. Copy the URL of your MinIO fork (you will need it for the `git clone` command below).
```sh
$ git clone https://github.com/minio/minio
$ go install -v
$ ls /go/bin/minio
```
### Set up git remote as ``upstream``
```sh
$ cd minio
$ git remote add upstream https://github.com/minio/minio
$ git fetch upstream
$ git merge upstream/master
...
```
### Create your feature branch
Before making code changes, make sure you create a separate branch for these changes
```
$ git checkout -b my-new-feature
```
### Test MinIO server changes
After your code changes, make sure
- To add test cases for the new code. If you have questions about how to do it, please ask on our [Slack](https://slack.min.io) channel.
- To run `make verifiers`
- To squash your commits into a single commit. `git rebase -i`. It's okay to force update your pull request.
- To run `go test -race ./...` and `go build` completes.
### Commit changes
After verification, commit your changes. This is a [great post](https://chris.beams.io/posts/git-commit/) on how to write useful commit messages
```
$ git commit -am 'Add some feature'
```
### Push to the branch
Push your locally committed changes to the remote origin (your fork)
```
$ git push origin my-new-feature
```
### Create a Pull Request
Pull requests can be created via GitHub. Refer to [this document](https://help.github.com/articles/creating-a-pull-request/) for detailed steps on how to create a pull request. After a Pull Request gets peer reviewed and approved, it will be merged.
## FAQs
### How does ``MinIO`` manages dependencies?
``MinIO`` uses `go mod` to manage its dependencies.
- Run `go get foo/bar` in the source folder to add the dependency to `go.mod` file.
To remove a dependency
- Edit your code and remove the import reference.
- Run `go mod tidy` in the source folder to remove dependency from `go.mod` file.
### What are the coding guidelines for MinIO?
``MinIO`` is fully conformant with Golang style. Refer: [Effective Go](https://github.com/golang/go/wiki/CodeReviewComments) article from Golang project. If you observe offending code, please feel free to send a pull request or ping us on [Slack](https://slack.min.io).