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@@ -1,16 +1,27 @@
-FROM python:3.9
 
-RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
+# Fill in the base image with the correct Python version (e.g., python:3.9)
+FROM python:3.9 # ________
 
+# Fill in the username to be created (e.g., user)
+RUN useradd -m -u 1000 user # ________
+
+# Blank #3: Specify the username for subsequent commands (e.g., user)
+USER user # ________
+
+# Fill in the username in the PATH environment variable (e.g., user)
+ENV PATH="/home/user/.local/bin:$PATH" # "/home/________/.local/bin:$PATH"
+
+# Set working directory
 WORKDIR /app
 
-COPY --chown=user ./requirements.txt requirements.txt
+# Use the same username for file ownership when copying requirements (e.g., user)
+COPY --chown=user ./requirements.txt requirements.txt # ________ ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-COPY --chown=user . /app
+# Use the same username for file ownership when copying the app files (e.g., user)
+COPY --chown=user . /app # ________ . /app
 
 # Start the Streamlit app on port 7860, the default port expected by Spaces
-#CMD ["streamlit", "run", "app.py", "--host", "0.0.0.0", "--port", "7860"]
-CMD ["streamlit", "run", "app.py", "--server.address", "0.0.0.0", "--server.port", "7860"]
+CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]
+
+# Reference: https://huggingface.co/docs/hub/en/spaces-sdks-docker