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# 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
Dokku
Docker powered mini-Heroku. The smallest PaaS implementation you've ever seen.
Sponsors
Become a sponsor and get your logo on our README on Github with a link to your site. [Become a sponsor]
Backers
Support us with a monthly donation and help us continue our activities. [Become a backer]
Requirements
A fresh VM running any of the following operating systems:
- Ubuntu 16.04/18.04/20.04 x64 - Any currently supported release
- Debian 9+ x64
- CentOS 7 x64 (experimental)
- Arch Linux x64 (experimental)
An SSH keypair that can be used for application deployment. If this exists before installation, it will be automatically imported into dokku.
Otherwise, you will need to import the keypair manually after installation using dokku ssh-keys:add.
Installation
To install the latest stable release, run the following commands as a user who has access to sudo:
wget https://raw.githubusercontent.com/dokku/dokku/v0.23.0/bootstrap.sh
sudo DOKKU_TAG=v0.23.0 bash bootstrap.sh
You can then proceed to the ip address or domain name associated with your server to complete the web-based installation.
If you wish for a more unattended installation method, see these docs.
Upgrade
View the docs for upgrading from an older version of Dokku.
Documentation
Full documentation - including advanced installation docs - are available online at http://dokku.viewdocs.io/dokku/.
Support
You can use Github Issues, check Troubleshooting in the documentation, or join us on freenode in #dokku.
Contribution
After checking Github Issues, the Troubleshooting Guide or having a chat with us on freenode in #dokku, feel free to fork and create a Pull Request.
While we may not merge your PR as is, they serve to start conversations and improve the general Dokku experience for all users.
License
MIT License © Jeff Lindsay