Trying to make /data and /.cache directories appear, and have the content that the logs say is being written out to it.

Dockerfile

@@ -15,11 +15,13 @@ ARG TARGETPLATFORM
 
 ENV PATH=/opt/conda/bin:$PATH
 
-RUN mkdir .cache
-RUN mkdir data
+RUN mkdir -p /.cache
+RUN mkdir -p /data
 # I'm not sure how to allow later python files used here to write to .cache without making it world-writeable.
-RUN chmod 777 -R .cache
-RUN chmod 777 -R data
+RUN chmod 777 -R /.cache
+RUN chmod 777 -R /data
+
+WORKDIR /data
     
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         build-essential \