FROM ubuntu:24.04 AS ubuntu

# setting non-interactive mode for apt
ENV DEBIAN_FRONTEND=noninteractive

# update system and install the required stuff
RUN apt-get update && apt-get upgrade -y
RUN apt-get install -y --no-install-recommends \
gosu

# install packages appearing in packages.list
# clean up chache and remove package lists
COPY ./packages.list /tmp
RUN xargs apt-get install -y --no-install-recommends </tmp/packages.list && \
apt-get clean && \
rm /tmp/packages.list


# install what can not be installed with
# package manager 
COPY ./build_time_scripts.sh /tmp
COPY ./custom /tmp/custom
RUN /tmp/build_time_scripts.sh /tmp/custom && \
rm -rf /tmp/build_time_scripts.sh /tmp/custom


# set working dir inside the container
WORKDIR /home/ubuntu

# password to log in as ubuntu user
ENV SECRET="ubuntu"

# copy enrypoint script
COPY ./entrypoint.sh /usr/bin/entrypoint-docker.sh

ENTRYPOINT ["/bin/sh", "/usr/bin/entrypoint-docker.sh"]
CMD ["/usr/bin/bash"]