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# History ## 0.22.1 Install/update via the bootstrap script: ```shell wget https://raw.githubusercontent.com/dokku/dokku/v0.22.1/bootstrap.sh sudo DOKKU_TAG=v0.22.1 bash bootstrap.sh ``` ### Bug Fixes - #4238: @josegonzalez Ensure dead files are created for docker object retirement - #4239: @josegonzalez Ensure all byte output is trimmed of whitespace - #4228: @Cellane Fix tags:deploy command for images that contain ONBUILD directive - #4233: @josegonzalez Properly parse releease command when there is an entrypoint - #4215: @josegonzalez Implement missing cleanup routines - #4212: @josegonzalez Cleanup docker options during post-delete - #4211: @ml-milan-vit Make the dokku-update command compatible with Dokku 0.22+ ### New Features - #4242: @josegonzalez Remove reference to 'whitelist' - #4220: @josegonzalez Update plugn from 0.5.0 to 0.5.1 - #4241: @josegonzalez Properly handle stdout when capturing plugn output - #4237: @josegonzalez Release dokku-update 0.2.0 - #4225: @znz Accept first pushed branch as deploy-branch ### Documentation - #4236: @josegonzalez Remove note regarding not having an official client - #4234: @josegonzalez Switch to bats --filter for running a single test - #4222: @leopolicastro Fix typo in deployment tasks documentation - #4221: @srr013 Updating readme for clarity on git push step - #4214: @josegonzalez Expand backup and restore documentation - #4213: @josegonzalez Enhance the 'plugin' plugin documentation ### Tests - #4218: @josegonzalez Enable compilation cache ### Other - #4230: @dependabot-preview[bot] chore(deps-dev): bump heroku/heroku-buildpack-php from 186 to 187 in /tests/apps/php - #4223: @dependabot-preview[bot] chore(deps): bump jetty-servlet from 9.4.35.v20201120 to 11.0.0 in /tests/apps/java - #4224: @dependabot-preview[bot] chore(deps-dev): bump heroku/heroku-buildpack-php from 185 to 186 in /tests/apps/php
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/v0.22.1/bootstrap.sh
sudo DOKKU_TAG=v0.22.1 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