Release 0.23.0

# History

## 0.23.0

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.23.0/bootstrap.sh
sudo DOKKU_TAG=v0.23.0 bash bootstrap.sh
```

See the [0.23.0 migration guide](/docs/appendices/0.23.0-migration-guide.md) for more information on migrating to 0.23.0.

### Bug Fixes

- #4356: @josegonzalez Do not retag images unnecessarily
- #4355: @josegonzalez Allow underscores in vector schemes
- #4350: @josegonzalez Add missing trigger to events plugin
- #4348: @josegonzalez Correct app-specific shell handling
- #4333: @josegonzalez Drop tmpdir environment variables when not running as dokku user

### New Features

- #4336: @josegonzalez Add ability to manage stacks on an app or global level …
- #4354: @josegonzalez Log all triggers called by golang in trace output
- #4300: @AubreyHewes allow disabling hsts globally and explicitly enable per app
- #4337: @josegonzalez Add logrotation to container log files
- #4318: @josegonzalez Add ability to set client max body size via nginx:set
- #4343: @josegonzalez feat: add initial scheduled task implementation
- #4297: @josegonzalez Add support for cloning/syncing from a remote repository
- #4340: @bjornpost Allow configuring x-forwarded-* proxy headers via nginx:set

### Refactors

- #4349: @josegonzalez Remove need for internal dokku calls

### Documentation

- #4347: @fomojola Add post-deploy webhook to list of community plugins
- #4342: @AubreyHewes Point to current testing docs
- #4341: @josegonzalez Add testing link to contributing.md

### Tests

- #4352: @josegonzalez Add a test for application renames
- #4351: @josegonzalez Set hostname for CI runs
- #4322: @josegonzalez Switch to Github Actions for CI

### Other

- #4353: @josegonzalez Drop unused flag introduced by logs max-size feature

docs/development/release-process.md

@@ -29,7 +29,7 @@ The workflow looks like this:
 ```shell
 # having dokku-arch in ../dokku-arch
 vagrant up build-arch
-# wait for "==> build-arch: ==> Finished making: dokku 0.22.9-2 (Mon Feb 22 23:20:37 CET 2016)"
+# wait for "==> build-arch: ==> Finished making: dokku 0.23.0-2 (Mon Feb 22 23:20:37 CET 2016)"
 cd ../dokku-arch
 git add PKGBUILD .SRCINFO
 git commit -m 'Update to dokku 0.9.9'