If your version of dokku is pre 0.3.0 (check with dokku version), we recommend a fresh install on a new server.
Before upgrading, check the migration guides to get comfortable with new features and prepare your deployment to be upgraded.
If dokku was installed via apt-get install dokku or bootstrap.sh (most common), upgrade with:
sudo apt-get update
dokku apps
dokku ps:stop <app> # repeat to shut down each running app
sudo apt-get install -qq -y dokku herokuish
dokku ps:rebuildall # restart all applicationsIf you installed dokku from source (less common), upgrade with:
dokku apps
dokku ps:stop <app> # repeat to shut down each running app
cd ~/dokku
git pull --tags origin master
# continue to install from source
sudo DOKKU_BRANCH=master make install
# upgrade to debian package-based installation
sudo make install
dokku ps:rebuildall # restart all applicationsTo upgrade herokuish from source, upgrade with:
cd /tmp
git clone https://github.com/gliderlabs/herokuish.git
cd herokuish
git pull origin master
IMAGE_NAME=gliderlabs/herokuish BUILD_TAG=latest VERSION=master make -e build-in-docker