mjhjmtu

I try to make a custom python docker image that spawns a bash session with virtualenv pre-loaded. In order to achieve that I created a entrypoint.sh script:

#!/bin/sh

USER_ID=$(id -u developer)
GROUP_ID=$(id -g developer)

if [ $DOCKER_UID !== $USER_ID ]; then
 usermod -u $DOCKER_UID developer
fi

if [ $DOCKER_GID !== $GROUP_ID ]; then
 groupmod -g $DOCKER_GID developer
fi

cd /home/dev/code

if [ -f /home/dev/code/$VENV_FOLDER/bin/activate ]; then
 # Launch bash with virtualenv preloades as developer user
fi

And I use the following Dockerfile in order to build de docker image:

FROM python:3

ENV DOCKER_UID=1000
ENV DOCKER_GID=1000
ENV VENV_FOLDER=env

RUN mkdir /home/dev/code &&
 pip install virtualenv &&
 useradd -d /home/dev -u $DOCKER_UID -g $DOCKER_GID developer

COPY entrypoint.sh /usr/bin/entrypoint.sh
RUN chmod +x /usr/bin/entrypoint.sh

VOLUME /home/dev/code

ENTRYPOINT /usr/bin/entrypoint.sh

But now I am stack to this: When I need to launch a virtualenv I run the following command on an active bash session:

cd ~/myproject
source ./env/bin/activate

And then I activate my virtualenv, but what I want to achieve is to make bash create first the python virtualenv and then prompt to a bash session. But how I am gonna achieve that?