dokku_simple_backup.sh

#!/bin/bash
set -e

######################################################################
# This simple backup script generates commands to recreate dokku apps
#
# It creates the app, adds domains, and restores configuration for each app
# It does not handle databases, persistent storage, or other plugin settings
#
# Usage: Run this script on a Dokku server (you must either be logged in as the
# dokku user, or root, or `sudo su` first.
#
# Then, save the ouput of this script to a file. That's your backup.
# You can restore to a fresh dokku server install by running the generated commands
#
# Note: you will need to add remotes and  `git push dokku main:master` for each app 
# you deploy to the new server
######################################################################
# See Comments in the related GitHub Gist below for usage instructions
######################################################################

# Ensure we are running as root
check_root() {
if [ "$USER" != "root" ]; then
      echo "Permission Denied"
      echo "Can only be run by root"
      exit
fi
}

make_backups() {
    cd /home/dokku

    for d in */ ; do
        appname=$(echo "$d" | sed 's:/*$::')
        echo "##############################"
        echo "# $appname"
        echo "##############################"
        echo ""
        echo "sudo dokku apps:create $appname"
        echo ""

        domains=`cat "$d/VHOST"`
        env=`cat "$d/ENV"`

        domains="${domains//$'\n'/ }"
        env="${env//$'\n'/ }"


        echo "sudo dokku domains:add $appname $domains"
        echo ""

        echo "sudo dokku config:set $appname $env"
        echo "sudo dokku config:unset $appname GIT_REV"
        echo ""

    done
}

check_root
make_backups

Usage

This simple backup script generates commands to recreate dokku apps.

It creates the app, adds domains, and restores configuration for each app.

It does not handle databases, persistent storage, or other plugin settings.

Usage: Run this script on a Dokku server (you must either be logged in as the
dokku user, or root, or sudo su first.

Then, save the ouput of this script to a file. That's your backup.
You can restore to a fresh dokku server install by running the generated commands.

Note: you will need to add remotes and git push dokku main:master for each app you deploy to the new server.

wget https://gist.githubusercontent.com/kidGodzilla/92bfeb3c96b12c8c266f307052b55b9c/raw/bf87b77d851c9baaaf2419862ef2e3b74daec61c/dokku_simple_backup.sh

bash ./dokku_simple_backup.sh