Dokku - Your privatr PAAS platform

Posted on 2020-08-21 Edited on 2021-06-09 Disqus:

Dokku

Your private PaaS platform

https://github.com/dokku/dokku
http://dokku.viewdocs.io/dokku/

Highlights

Heroku like
Push to deployment
Zero downtime deployment
Ecosystem including plugins
Github starts ~20k

Installation

# for debian systems, installs Dokku via apt-get
wget https://raw.githubusercontent.com/dokku/dokku/v0.21.4/bootstrap.sh;
sudo DOKKU_TAG=v0.21.4 bash bootstrap.sh

# or installed by Docker
docker run \
--env DOKKU_HOSTNAME=dokku.me \
--name dokku \
--publish 3022:22 \
--publish 8080:80 \
--publish 8443:443 \
--volume ~/dokku:/mnt/dokku \
--volume /var/run/docker.sock:/var/run/docker.sock \
dokku/dokku:0.21.4

Setup your app

# on the Dokku host
# create an app
dokku apps:create ruby-getting-started

# install the postgres plugin
# plugin installation requires root, hence the user change
dokku plugin:install https://github.com/dokku/dokku-postgres.git

# create a postgres service with the name railsdatabase
dokku postgres:create railsdatabase

# each official datastore offers a `link` method to link a service to any application
dokku postgres:link railsdatabase ruby-getting-started

Deployment

# from your local machine
# SSH access to github must be enabled on this host
git clone https://github.com/heroku/ruby-getting-started

cd ruby-getting-started
git remote add dokku dokku@dokku.me:ruby-getting-started
git push dokku master

Add user keys

fatal: ‘ruby-getting-started’ does not appear to be a git repository
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

cat ~/.ssh/id_rsa.pub | docker exec -i dokku dokku ssh-keys:add ryan

SSL - Let’s Encrypt

dokku plugin:install https://github.com/dokku/dokku-letsencrypt.git

dokku config:set --no-restart myapp DOKKU_LETSENCRYPT_EMAIL=your@email.tld

dokku letsencrypt myapp
dokku letsencrypt:auto-renew myapp

https://github.com/dokku/dokku-letsencrypt