Installing Docker on Ubuntu

To install Docker CE, you need the 64-bit version of one of these versions:

  • Cosmic 18.10

  • Bionic 18.04 (LTS)

  • Xenial 16.04 (LTS)

First, uninstall the older docker versions (if any).

sudo apt-get purge docker docker-engine containerd runc

The recommended approach of installing Docker CE by setting up Docker’s repositories has been described here. For other approaches, please refer to Docker Docs.

Set up the repository

First, update the apt package index:

sudo apt-get update

Install packages to allow apt to use a repository over HTTPS:

sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \

Press y when prompted.

apt-get install packages ubuntu

Add Docker’s official GPG key:

curl -fsSL | sudo apt-key add -

Next, set up the stable repository:

sudo add-apt-repository \
   "deb [arch=amd64] \
   $(lsb_release -cs) \

Install Docker-CE

First, update the apt package index.

sudo apt-get update

Next, install the latest version of Docker CE.

sudo apt-get install docker-ce docker-ce-cli
apt-get docker-ce ubuntu

To verify that Docker has been installed succesfully, check the Docker version.

docker --version

The output on terminal should be similar to this:

Docker version 18.09.3, build 774a1f4
docker version ubuntu

Install Docker Compose

To install Docker Compose, download the current stable release (1.24.0-rc1).

sudo curl -L`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
install docker compose ubuntu

Next, apply executable permissions to the binary.

sudo chmod +x /usr/local/bin/docker-compose

Pulling the container image

To run containers pull the container image:

You should see the similar console output:

images/linux/pulling docker img

Navigate to the directory where you cloned this project. Depending on how you want to interact with the container, run it in foreground or as a daemon.

Ensure that you do not have any other servers running on 8080 (tomcat) and 3306 (mysql).

To run the container in the foreground:

docker-compose -f up
running container foreground

MySQL will be started first and then LH Toolkit will be started on the containers. When you are done using LH Toolkit you can press Ctrl+C to stop the container.

To run the container in the background:

docker-compose -f up -d
running container background

Using LH Toolkit

To start using LH Toolkit, point your browser to localhost:8080/lh-toolkit . The following are the authentication information:

  • User: admin

  • Pass: Admin123

login screen

Bringing container down

To bring the container down and to free space on your machine run:

docker-compose -f down
bringing container down


When you are pulling the container image, the directory you are in does not matter. However, if you try to run this docker image from outside of this project directory, you will get the following error:

running image from wrong dir

Navigate to the project directory and enter the command again.