This Dockerfile represents a Docker image that encapsulates the de4js Javascript deobfuscation tool. It's based on the original instructions documented in the official GitHub repository.
To run this image after installing Docker, you can use the following command:
sudo docker run -d --rm -p 4000:4000 -p 35729:35729 --name de4js cyware/de4js
Then browse to http://localhost:4000/de4js/
It's important to remember the trailing slash after the above URL
To stop de4js, use sudo docker stop de4js.