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# History ## 0.21.2 Install/update via the bootstrap script: ```shell wget https://raw.githubusercontent.com/dokku/dokku/v0.21.2/bootstrap.sh sudo DOKKU_TAG=v0.21.2 bash bootstrap.sh ``` ### Bug Fixes - #4072: @Schlepptop Fix deprecation warning in config_all ### New Features - #4061: @josegonzalez Drop go sum and mod files from releases ### Refactors - #4064: @hugopeixoto Use *_PATH consistently ### Documentation - #4069: @josegonzalez Scheduler plugins are no longer beta - #4068: @josegonzalez Official plugins are no longer in beta - #4066: @ltalirz Add ansible as installation route - #4063: @josegonzalez Clarify why we stop/rebuild apps during upgrade - #4040: @fonsp Added link to the buildpack plugin docs - #4062: @hugopeixoto Rewrite upgrade instructions
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Docker Installation Notes
Pull the dokku/dokku image:
docker pull dokku/dokku:0.21.2
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:0.21.2
Dokku is run in the following configuration:
- 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
- The "web installer" is not supported.
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.