rm COPY --chown=user . /app

Dockerfile

@@ -16,9 +16,12 @@ COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 # Copy the rest of the application code from the host to the container
 # Again, ensure the copied files are owned by 'user'
-COPY --chown=user . /app
+# COPY --chown=user . /app
 
 # Make sure that you are copying the entire app directory into the container
+# './app' specifies the source directory on your host machine.
+# '/app' specifies the destination directory in the container. 
+# After the command executes, all files from ./app on your host will be placed in /app inside the container.
 COPY --chown=user ./app /app