README

In this template we have:

• Web
  • HTML+JS: Web/
  • PHP: Web+PHP/
  • Python: Web+Python/
  • GoLang: Web+GoLang/
• Pwn
• Crypto
• Misc

In each category we use GZCTF's dynamic flag. If you don't want to use dynamic flag, please edit the start.sh file and remove the corresponding lines.

Note: for CTFd user, please replace the GZCTF_FLAG env in start.sh to FLAG env.

File structure

The template file structure would be like:

• [category]
  • files/ or src/: source code of the application or front/backend of the web server.
  • ctf.xinetd: multi-end service initializer, create different environment for different users.
  • Dockerfile: main setup file for the category, add or remove function accordingly.
  • docker-compose.yml: local environment testing only, doesn't use in the produce environment.
  • start.sh: entry point of Dockerfile and dynamic flag setup.

Upload to Docker hub

1. Setup your docker hub account and login: docker login -u YOUR-USER-NAME.
2. Create the remote repo in docker hub web page.
3. Build and tag the image: docker build --platform linux/amd64 -t YOUR-USER-NAME/IMAGE-NAME ., be aware the dot in the end.
4. Push the image: docker push YOUR-USER-NAME/IMAGE-NAME.