Add Dockerfile for Hugging Face deployment and update README frontmatter

Dockerfile

@@ -0,0 +1,31 @@
+# Use the official Python 3.10 slim image
+FROM python:3.10-slim
+
+# Create a user to avoid running as root (required by Hugging Face Spaces security guidelines)
+RUN useradd -m -u 1000 user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+WORKDIR $HOME/app
+
+# Install system libraries necessary for OpenCV and EasyOCR
+RUN apt-get update && apt-get install -y \
+    libgl1 \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the requirements file into the container
+COPY --chown=user requirements.txt .
+
+# Install dependencies (running as the new user)
+USER user
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+# Copy the rest of the application code
+COPY --chown=user . .
+
+# Expose port 7860 (Hugging Face Spaces default for Docker)
+EXPOSE 7860
+
+# Command to run the application
+CMD ["streamlit", "run", "app.py", "--server.port", "7860", "--server.address", "0.0.0.0"]

README.md

@@ -3,7 +3,7 @@ title: Bill Invoice Scanner Pro
 emoji: 🧾
 colorFrom: blue
 colorTo: indigo
-sdk: streamlit
+sdk: docker
 sdk_version: 1.42.0
 app_file: app.py
 pinned: false