update to use user: 2000:2000 / ARGS in build, and use the python image instead of a full ubuntu image. Also use r to escape regex str

Dockerfile

@@ -1,24 +1,11 @@
-FROM ubuntu:22.04
+FROM python
 WORKDIR /code
-USER root
-ENV PJM_UID=500
-ENV PJM_GID=500
-RUN groupadd -g ${PJM_GID} mythtv && useradd -r -u ${PJM_UID} -g ${PJM_GID} mythtv
-ENV TZ=Australia/Melbourne
-RUN truncate -s0 /tmp/preseed.cfg && \
-       (echo "tzdata tzdata/Areas select Australia" >> /tmp/preseed.cfg) && \
-       (echo "tzdata tzdata/Zones/Australia select Melbourne" >> /tmp/preseed.cfg) && \
-       debconf-set-selections /tmp/preseed.cfg && \
-       rm -f /etc/timezone /etc/localtime && \
-       apt-get update && \
-       DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
-       apt-get install -y tzdata
-## cleanup of files from setup
-RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-RUN apt-get update && apt-get -y dist-upgrade && apt-get -y install python3-pip python3-psycopg2 libpq-dev gunicorn python3-ldap
-COPY requirements.txt requirements.txt
-RUN pip3 install -r requirements.txt
-EXPOSE 443
-EXPOSE 5000
+ARG USERID
+ARG GROUPID
+RUN chown $USERID:$GROUPID /code
+#RUN apt-get update && apt-get -y install python3-pip && apt-get -y dist-upgrade
 COPY . .
+RUN pip3 install -r requirements.txt
+EXPOSE 80
+EXPOSE 5000
 CMD ["./wrapper.sh"]