Add Dockerfile and .dockerignore

.dockerignore

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+# Ignore Python cache
+__pycache__/

Dockerfile

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+# Use Python 3.11 slim base image
+FROM python:3.11-slim
+
+# Create new user with UID 1000, avoid permission issues and improves security
+RUN useradd -m -u 1000 user
+USER user
+
+# Set working directory inside the container
+WORKDIR /app
+
+# Copy requirements.txt into the container and ensures the non-root user (user) owns the file
+COPY --chown=user requirements.txt requirements.txt
+
+# Install dependencies from requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Copy entire project code into container at /app
+COPY --chown=user . /app
+
+# Environment Variables
+# HEADLESS=true: Run Streamlit in headless mode (no browser popup)
+
+# ENABLECORS=false: Disables CORS checks (important for Spaces)
+
+# PORT=7860: Spaces use this port for the web UI
+
+
+ENV STREAMLIT_SERVER_HEADLESS=true
+ENV STREAMLIT_SERVER_ENABLECORS=false
+ENV STREAMLIT_SERVER_PORT=7860
+
+CMD ["streamlit", "run", "app.py"]