Tried adding user permissions

Dockerfile

@@ -19,11 +19,15 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir --upgrade pip && \
     pip install --no-cache-dir -r requirements.txt
 
+# To get permissions to write to the container
+RUN useradd -m -u 1000 user
+USER user
+
 # Copy source files over
-COPY . .
+COPY --chown=user . .
 
 # Expose Flask (Dash) port
-EXPOSE 4057
+EXPOSE 7860
 
 # Run main UI
 ENTRYPOINT ["gunicorn", "-b", "0.0.0.0:7860", "--timeout", "45", "app.app:server"]

app/app.py

@@ -28,7 +28,7 @@ server = app.server
 df = pd.read_csv(constants.DATA_FILE_PATH, index_col=constants.INDEX_COLS)
 
 cache_dir = os.path.join(os.path.dirname(__file__), "../cache_dir")
-os.mkdir(cache_dir)
+os.makedirs(cache_dir)
 regionmask.set_options(cache_dir=cache_dir)
 countries_df = regionmask.defined_regions.natural_earth_v5_0_0.countries_110.to_dataframe()