Demo 1 - Run a Docker image.md

Demo 1

Run a Docker image

1. Verify that Docker is installed

   $ docker --version

   Docker's version is printed if Docker is installed.

   Docker version 19.03.12, build 48a66213fe

   The version may vary.

   Follow the installation instructions from here, should you need to install Docker.

2. Find the Docker image

   Search for "quantum-game" in Docker repository

   The Docker image spkane/quantum-game is the most popular option.

3. Start the Docker image

   $ docker run \
       --rm \
       --name docker-container-demo \
       -p 8080:8080 \
       spkane/quantum-game:latest

   Wait for the image to be downloaded.

   Unable to find image 'spkane/quantum-game:latest' locally
   latest: Pulling from spkane/quantum-game
   605ce1bd3f31: Pull complete
   17b6aecea465: Pull complete
   b9c40c340829: Pull complete
   59cfa8d7b067: Pull complete
   4910a4ac74ee: Pull complete
   bc233c62e092: Downloading [============================>                      ]  42.28MB/73.74MB

   The Docker image will start automatically once downloaded.

   Status: Downloaded newer image for spkane/quantum-game:latest
   Starting up http-server, serving .
   Available on:
     http://127.0.0.1:8080
     http://172.17.0.2:8080
   Hit CTRL-C to stop the server

   This Docker image points to an older version of the game: https://quantumgame.io/.

4. Access the game from the browser: http://localhost:8080

   

   Have fun!!

We were able to start the Quantum Game application without having to worry about anything. This Quantum Game application could have been written in Java, Node, or assembly for all we care. All we need is to have the Docker image and the rest is handled by Docker.