Update Dockerfile

Dockerfile

@@ -1,16 +1,23 @@
-# Use a minimal base image with Python 3.9 installed
+# Use a lightweight Python 3.9 base image
 FROM python:3.9-slim
 
-# Set the working directory inside the container to /app
+# Set working directory inside the container
 WORKDIR /app
 
-# Copy all files from the current directory on the host to the container's /app directory
+# Copy all project files into the container
 COPY . .
 
-# Install Python dependencies listed in requirements.txt
-RUN pip3 install -r requirements.txt
+# Install dependencies from requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Define the command to run the Streamlit app on port 8501 and make it accessible externally
+# Expose Streamlit’s default port
+EXPOSE 8501
+
+# Run Streamlit app on container startup
+# --server.address=0.0.0.0      → makes Streamlit reachable from outside the container
+# --server.port=8501            → fixed port
+# --server.enableXsrfProtection=false → needed for batch API calls (HuggingFace Spaces fix)
 CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.enableXsrfProtection=false"]
 
-# NOTE: Disable XSRF protection for easier external access in order to make batch predictions
+# NOTE:
+# XSRF protection is disabled ONLY to allow batch API requests without failing.