I have a bash script that I want to dockerize but I’m having issues with both the ENTRYPOINT and CMD directives.

Here’s my Dockerfile:

FROM ubuntu:22.04

# NOTE: these can be overridden with `--build-arg KEY=VALUE`
ARG ...

WORKDIR /scripts
COPY . .

# Install required packages
RUN ...

# Make sure the script is executable
RUN chmod a+x my-script.sh

# Set the entrypoint to use bash
ENTRYPOINT [ "bash" ]

# Run the script
CMD [ "./my-script.sh", "-u", $URL, "-k", $KEY, "-d", $DEBUG ]

I’ve done a few iterations and I kept getting different kind of errors. I’ve already deleted the images that I built and the containers so I don’t have the errors to share.

Basically, I want to build an image that would run my bash script when I start a container using that image. I already saw What is the difference between CMD and ENTRYPOINT in a Dockerfile? but I’m still left confused on how to properly use these two directives.