Docker Workshop at HPE

This repository contains the instrucctions to run the voting-app using docker-compose.

Prerequisites

• Docker installed

Instructions

1 - Install docker-compose

  sudo su
  curl -L https://github.com/docker/compose/releases/download/1.6.2/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
  chmod +x /usr/local/bin/docker-compose
  docker-compose version

2 - Get voting-app repository from GitHub

  git clone https://github.com/homeles/example-voting-app.git

Note: If you have issues downloading the repository go to help section below.

3 - Execute command docker compose and check your application.

  cd example-voting-app/
  docker-compose up

Note: If you have issues downloading the images go to help section below.

4 - Validate the application is up and running. Go to your browser...

• Voting app [http://localhost:5000]
• Results app [http://localhost:5001]

Help & Troubleshooting

Git clone command is failing

• Get the repository from the USB and extract the content.

  tar -xvf example-voting-app.tar

Docker Import images

If the image download process is failing then execute the following

• Download the images from the USB and extract the content.

  tar -xvf images-voting-app.tar

• Load the docker images from the USB in case you cannot download the connect directly from DockerHub

  cd images-voting-app/
  docker load < examplevotingapp_result-app.tar
  docker load < examplevotingapp_voting-app.tar
  docker load < examplevotingapp_worker.tar
  docker load < postgres.tar
  docker load < redis.tar

• Now Execute again docker compose inside the example-voting-app repository

  docker-compose up