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# History ## 0.20.1 Install/update via the bootstrap script: ```shell wget https://raw.githubusercontent.com/dokku/dokku/v0.20.1/bootstrap.sh sudo DOKKU_TAG=v0.20.1 bash bootstrap.sh ``` ### Bug Fixes - #3916: @josegonzalez Change error exit to warning when no apps exist ### New Features - #3918: @josegonzalez Upgrade herokuish to 0.5.11 - #3915: @josegonzalez Add ability to check if a plugin has been installed - #3914: @josegonzalez Add ability to change or disable the access/error log path - #3913: @josegonzalez Upgrade herokuish ### Documentation - #3907: @josegonzalez Add sponsoring link to issue template - #3904: @jazzzz Update dokku-apt entry - #3902: @josegonzalez Remove extra commas from network docs ### Other - #3909: @dependabot-preview[bot] chore(deps): bump werkzeug from 1.0.0 to 1.0.1 in /tests/apps/python-flask - #3903: @dependabot-preview[bot] chore(deps-dev): bump heroku/heroku-buildpack-php from 172 to 173 in /tests/apps/php
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Docker Installation Notes
Pull the dokku/dokku image:
docker pull dokku/dokku:0.20.1
Next, run the image.
docker run \
--env DOKKU_HOSTNAME=dokku.me \
--name dokku \
--publish 3022:22 \
--publish 8080:80 \
--publish 8443:443 \
--volume /var/lib/dokku:/mnt/dokku \
--volume /var/run/docker.sock:/var/run/docker.sock \
dokku/dokku:0.20.1
Dokku is run with the following options:
- The global hostname is set to
dokku.meon boot. - The container name is dokku.
- Container SSH port 22 is exposed on the host as 3022.
- Container HTTP port 80 is exposed on the host as 8080.
- Container HTTPS port 443 is exposed on the host as 8443.
- Data within the container is stored on the host within the
/var/lib/dokkudirectory. - The docker socket is mounted into container
Application repositories, plugin config, and plugin data is persisted to disk within the specified host directory for /var/lib/dokku.
To install custom plugins, create a plugin-list file in the host's /var/lib/dokku directory. The plugins listed herein will be automatically installed by Dokku on container boot. This file should be the following format:
plugin_name: repository_url
An example for installing the postgres and redis plugins follows:
postgres: https://github.com/dokku/dokku-postgres.git
redis: https://github.com/dokku/dokku-redis.git
To initialize ssh-keys within the container, use docker exec to enter the container and run the appropriate ssh-keys commands.
docker exec -it dokku bash
Please see the user management documentation for more information.