Dockerfile

# Use lightweight Python image
FROM python:3.9-slim

# Install system dependencies (fonts + essentials)
RUN apt-get update && apt-get install -y \
    fonts-dejavu \
    fonts-freefont-ttf \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Install Python dependencies first (for layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY app.py .

# Download a nice font (optional)
RUN wget https://github.com/googlefonts/roboto/raw/main/src/hinted/Roboto-Black.ttf -O /usr/share/fonts/truetype/Roboto-Bold.ttf \
    && fc-cache -f -v

# Set environment variables
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

# Run the application
CMD ["python", "app.py"]