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Add ability to configure process user at runtime #31

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10 changes: 9 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,5 +1,11 @@
FROM python:3.11-slim

# Backwards compatible defaults
ENV USER=root
ENV GROUPNAME=root
ENV UID=0
ENV GID=0

SHELL ["/bin/bash", "-ec"]

RUN apt update && apt install --no-install-recommends -y bluez build-essential
Expand All @@ -9,4 +15,6 @@ RUN python3 -m venv /opt/venv && \
pip install --upgrade --extra-index-url=https://www.piwheels.org/simple pip TheengsGateway==1.5.0

COPY chroot /
CMD source /opt/venv/bin/activate && exec /opt/venv/start.sh
CMD (getent group "${GROUPNAME}" || groupadd -g "${GID}" "${GROUPNAME}") && \
(getent passwd "${USER}" || useradd -u "${UID}" -g "${GID}" -m "${USER}") && \
su -l -s "/bin/bash" -c "source /opt/venv/bin/activate && exec /opt/venv/start.sh" "${USER}"