adding the custom_setting file into the build runtime

Dockerfile

@@ -1,9 +1,10 @@
 FROM docker.io/heartexlabs/label-studio:hf-latest
 
-# Create directories in /tmp (writable by default)
-RUN mkdir -p /tmp/label-studio-data /tmp/label-studio-media
-    
-# 1001 is a common user ID in containers
+# Create the media directory in /tmp (writable by default)
+RUN mkdir -p /tmp/label-studio-media
+
+# Copy custom settings to override MEDIA_ROOT
+COPY custom_settings.py /label-studio/label_studio/core/settings/custom.py
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 #
 # How to Disable Public Account Creation