Dockerfile accepts git checkout

writer/Dockerfile

@@ -3,11 +3,20 @@ FROM python:3.8.1
 RUN apt-get -y update && apt-get -y upgrade && \
    apt-get install --no-install-recommends -y wait-for-it postgresql-client
 
+WORKDIR /tmp
+ARG REPOSITORY_URL=https://github.com/OpenSlides/openslides-datastore-service.git
+ARG GIT_CHECKOUT=master
+RUN git clone --no-checkout -- $REPOSITORY_URL .
+RUN git checkout $GIT_CHECKOUT
+WORKDIR /tmp/writer
+RUN pwd
+RUN ls -lah
+RUN mkdir /app
+RUN mv writer entrypoint.sh requirements.txt /app
+
 WORKDIR /app
-COPY requirements.txt .
+RUN rm -rf /tmp
 RUN pip install -U -r requirements.txt
-COPY ./writer ./writer
-COPY entrypoint.sh .
 
 EXPOSE 8000
 ENV PYTHONPATH /app/