[Python] How can I run a python IRC bot alongside inspIRCd without docker-compose?

I'm trying to run an inspIRCd docker image and a python bot along side it. The place where it's going to be used doesn't support docker-compose or docker inside docker. This is my Dockerfile:

FROM inspircd/inspircd-docker:latest

WORKDIR /app

COPY bot/bot.py bot/SECRET.py .

COPY /inspircd/conf/inspircd.conf /inspircd/conf/inspircd.conf

USER root
RUN apk add --no-cache python3

CMD ["python3", "bot.py"]


But when I run docker run irc-server I get this error in the docker logs: Error: Unrecognized token: python3

Continue reading...