- Assuming all challenges require ubuntu 18.04 LTS docker images
- Example Dockerfile Dockerfile_Example
- Build a base docker image which has ubuntu:18.04 updated and su installed (execute from git root)
docker build -t baseimage .
- This will add a docker image "baseimage" in your docker images.. (check with 'docker image ls')
- Create a Dockerfile for the challenge/ set of challenges.
- Add the challenges in the docker image.
- Run 1 Docker container for that image exposing and mapping the necessary ports.
Creating Challenge Dockerfile
- Build Docker Image for the set of challenges using the example dockerfile
FROM baseimage
WORKDIR <work_directory_for_challenge1>
COPY <challenge1_files/folder> <image_file/folder>
EXPOSE <port>
..
WORKDIR <work_directory_for_challenge2>
COPY <challenge2_files/folder> <image_file/folder>
EXPOSE <port>
..
COPY startup_script.sh <script.sh>
CMD["<script.sh>"]
- Make Sure to Write a startup_script.sh that would start the challenges and specify that as CMD/ENTRYPOINT
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