gitlab-org--gitlab-foss/doc/development/README.md

# GitLab development guides

## Get started!

- Setup GitLab's development environment with [GitLab Development Kit (GDK)](https://gitlab.com/gitlab-org/gitlab-development-kit/blob/master/doc/howto/README.md)
- [GitLab contributing guide](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md)
- [Architecture](architecture.md) of GitLab
- [Rake tasks](rake_tasks.md) for development

## Processes

- [GitLab core team & GitLab Inc. contribution process](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/PROCESS.md)
- [Generate a changelog entry with `bin/changelog`](changelog.md)
- [Code review guidelines](code_review.md) for reviewing code and having code reviewed.
- [Limit conflicts with EE when developing on CE](limit_ee_conflicts.md)

## UX and frontend guides

- [UX guide](ux_guide/index.md) for building GitLab with existing CSS styles and elements
- [Frontend guidelines](fe_guide/index.md)

## Backend guides

- [API styleguide](api_styleguide.md) Use this styleguide if you are
  contributing to the API.
- [Sidekiq guidelines](sidekiq_style_guide.md) for working with Sidekiq workers
- [Working with Gitaly](gitaly.md)
- [Manage feature flags](feature_flags.md)
- [View sent emails or preview mailers](emails.md)
- [Shell commands](shell_commands.md) in the GitLab codebase
- [`Gemfile` guidelines](gemfile.md)
- [Sidekiq debugging](sidekiq_debugging.md)
- [Gotchas](gotchas.md) to avoid
- [Issue and merge requests state models](object_state_models.md)
- [How to dump production data to staging](db_dump.md)

## Performance guides

- [Instrumentation](instrumentation.md)
- [Performance guidelines](performance.md)
- [Merge request performance guidelines](merge_request_performance_guidelines.md)
  for ensuring merge requests do not negatively impact GitLab performance

## Databases guides

### Migrations

- [What requires downtime?](what_requires_downtime.md)
- [SQL guidelines](sql.md) for working with SQL queries
- [Migrations style guide](migration_style_guide.md) for creating safe SQL migrations
- [Post deployment migrations](post_deployment_migrations.md)
- [Background migrations](background_migrations.md)
- [Swapping tables](swapping_tables.md)

### Best practices

- [Merge Request checklist](database_merge_request_checklist.md)
- [Adding database indexes](adding_database_indexes.md)
- [Foreign keys & associations](foreign_keys.md)
- [Single table inheritance](single_table_inheritance.md)
- [Polymorphic associations](polymorphic_associations.md)
- [Serializing data](serializing_data.md)
- [Hash indexes](hash_indexes.md)
- [Storing SHA1 hashes as binary](sha1_as_binary.md)
- [Iterating tables in batches](iterating_tables_in_batches.md)
- [Ordering table columns](ordering_table_columns.md)
- [Verifying database capabilities](verifying_database_capabilities.md)

## Testing guides

- [Testing standards and style guidelines](testing_guide/index.md)
- [Frontend testing standards and style guidelines](testing_guide/frontend_testing.md)

## Documentation guides

- [Documentation styleguide](doc_styleguide.md): Use this styleguide if you are
  contributing to the documentation.
- [Writing documentation](writing_documentation.md)
  - [Distinction between general documentation and technical articles](writing_documentation.md#distinction-between-general-documentation-and-technical-articles)

## Internationalization (i18n) guides

- [Introduction](i18n/index.md)
- [Externalization](i18n/externalization.md)
- [Translation](i18n/translation.md)

## Build guides

- [Building a package for testing purposes](build_test_package.md)

## Compliance

- [Licensing](licensing.md) for ensuring license compliance
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`# GitLab development guides`
Add doc file for dev rake tasks 2014-04-24 13:53:18 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`## Get started!`
Structure the development documentation 2016-08-04 06:45:59 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`- Setup GitLab's development environment with [GitLab Development Kit (GDK)](https://gitlab.com/gitlab-org/gitlab-development-kit/blob/master/doc/howto/README.md)`
			`- [GitLab contributing guide](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md)`
			`- [Architecture](architecture.md) of GitLab`
			`- [Rake tasks](rake_tasks.md) for development`
Structure the development documentation 2016-08-04 06:45:59 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`## Processes`

			`- [GitLab core team & GitLab Inc. contribution process](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/PROCESS.md)`
			- [Generate a changelog entry with `bin/changelog`](changelog.md)
			`- [Code review guidelines](code_review.md) for reviewing code and having code reviewed.`
			`- [Limit conflicts with EE when developing on CE](limit_ee_conflicts.md)`

			`## UX and frontend guides`
Structure the development documentation 2016-08-04 06:45:59 -04:00
Fix link to index.md in development README.md [ci skip] 2016-11-12 14:48:41 -05:00			`- [UX guide](ux_guide/index.md) for building GitLab with existing CSS styles and elements`
Creates Frontend Style guide 2017-03-22 15:30:54 -04:00			`- [Frontend guidelines](fe_guide/index.md)`
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00
			`## Backend guides`

			`- [API styleguide](api_styleguide.md) Use this styleguide if you are`
			`contributing to the API.`
Re-organize queues to use for Sidekiq Dumping too many jobs in the same queue (e.g. the "default" queue) is a dangerous setup. Jobs that take a long time to process can effectively block any other work from being performed given there are enough of these jobs. Furthermore it becomes harder to monitor the jobs as a single queue could contain jobs for different workers. In such a setup the only reliable way of getting counts per job is to iterate over all jobs in a queue, which is a rather time consuming process. By using separate queues for various workers we have better control over throughput, we can add weight to queues, and we can monitor queues better. Some workers still use the same queue whenever their work is related. For example, the various CI pipeline workers use the same "pipeline" queue. This commit includes a Rails migration that moves Sidekiq jobs from the old queues to the new ones. This migration also takes care of doing the inverse if ever needed. This does require downtime as otherwise new jobs could be scheduled in the old queues after this migration completes. This commit also includes an RSpec test that blacklists the use of the "default" queue and ensures cron workers use the "cronjob" queue. Fixes gitlab-org/gitlab-ce#23370 2016-10-21 12:13:41 -04:00			`- [Sidekiq guidelines](sidekiq_style_guide.md) for working with Sidekiq workers`
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`- [Working with Gitaly](gitaly.md)`
			`- [Manage feature flags](feature_flags.md)`
			`- [View sent emails or preview mailers](emails.md)`
			`- [Shell commands](shell_commands.md) in the GitLab codebase`
Document "No gems fetched from git repositories" policy [ci skip] 2017-01-27 06:17:21 -05:00			- [`Gemfile` guidelines](gemfile.md)
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`- [Sidekiq debugging](sidekiq_debugging.md)`
			`- [Gotchas](gotchas.md) to avoid`
			`- [Issue and merge requests state models](object_state_models.md)`
			`- [How to dump production data to staging](db_dump.md)`
Structure the development documentation 2016-08-04 06:45:59 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`## Performance guides`
Structure the development documentation 2016-08-04 06:45:59 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`- [Instrumentation](instrumentation.md)`
			`- [Performance guidelines](performance.md)`
Added performance guidelines for new MRs These guidelines cover the performance requirement for newly submitted merge requests. These guidelines are put in to place to prevent merge requests from negatively impacting GitLab performance as much as possible. 2016-08-19 11:21:00 -04:00			`- [Merge request performance guidelines](merge_request_performance_guidelines.md)`
			`for ensuring merge requests do not negatively impact GitLab performance`
Structure the development documentation 2016-08-04 06:45:59 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`## Databases guides`
Added documentation on adding database indexes 2016-08-11 08:22:21 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`### Migrations`
Added documentation on adding database indexes 2016-08-11 08:22:21 -04:00
Added guide about migrations and downtime This guide describes various commonly used operations and the impact they have on the availability of a GitLab instance. 2016-08-04 11:17:31 -04:00			`- [What requires downtime?](what_requires_downtime.md)`
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`- [SQL guidelines](sql.md) for working with SQL queries`
			`- [Migrations style guide](migration_style_guide.md) for creating safe SQL migrations`
			`- [Post deployment migrations](post_deployment_migrations.md)`
			`- [Background migrations](background_migrations.md)`
			`- [Swapping tables](swapping_tables.md)`

			`### Best practices`

			`- [Merge Request checklist](database_merge_request_checklist.md)`
Added documentation on adding database indexes 2016-08-11 08:22:21 -04:00			`- [Adding database indexes](adding_database_indexes.md)`
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`- [Foreign keys & associations](foreign_keys.md)`
			`- [Single table inheritance](single_table_inheritance.md)`
			`- [Polymorphic associations](polymorphic_associations.md)`
			`- [Serializing data](serializing_data.md)`
			`- [Hash indexes](hash_indexes.md)`
			`- [Storing SHA1 hashes as binary](sha1_as_binary.md)`
			`- [Iterating tables in batches](iterating_tables_in_batches.md)`
			`- [Ordering table columns](ordering_table_columns.md)`
			`- [Verifying database capabilities](verifying_database_capabilities.md)`

Fix a missing link and create a separate "Testing guides" section Signed-off-by: Rémy Coutable <remy@rymai.me> 2017-10-11 10:33:57 -04:00			`## Testing guides`

			`- [Testing standards and style guidelines](testing_guide/index.md)`
			`- [Frontend testing standards and style guidelines](testing_guide/frontend_testing.md)`

Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`## Documentation guides`

			`- [Documentation styleguide](doc_styleguide.md): Use this styleguide if you are`
			`contributing to the documentation.`
			`- [Writing documentation](writing_documentation.md)`
			`- [Distinction between general documentation and technical articles](writing_documentation.md#distinction-between-general-documentation-and-technical-articles)`

			`## Internationalization (i18n) guides`
Add guide to collaborate with i18n. 2017-05-16 14:26:12 -04:00
Move i18n/introduction to i18n/index 2017-10-09 05:28:01 -04:00			`- [Introduction](i18n/index.md)`
Docs: add translation and proof reading guidelines 2017-09-26 17:15:19 -04:00			`- [Externalization](i18n/externalization.md)`
			`- [Translation](i18n/translation.md)`
Add guide to collaborate with i18n. 2017-05-16 14:26:12 -04:00
Refactor the Development documentation, and divide the Testing documentation into multiple pages 2017-10-11 01:59:34 -04:00			`## Build guides`

			`- [Building a package for testing purposes](build_test_package.md)`

Structure the development documentation 2016-08-04 06:45:59 -04:00			`## Compliance`

			`- [Licensing](licensing.md) for ensuring license compliance`