Dockerfile

# Use Python 3.9 slim
FROM python:3.9-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    wget \
    gnupg \
    && rm -rf /var/lib/apt/lists/*

# Install Chrome
RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
    && echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list \
    && apt-get update \
    && apt-get install -y google-chrome-stable \
    && rm -rf /var/lib/apt/lists/*

# Install ChromeDriver
RUN CHROME_VERSION=$(google-chrome --version | awk '{print $3}' | cut -d '.' -f 1) \
    && CHROMEDRIVER_VERSION=$(wget -qO- https://chromedriver.storage.googleapis.com/LATEST_RELEASE_${CHROME_VERSION}) \
    && wget -O /tmp/chromedriver.zip https://chromedriver.storage.googleapis.com/${CHROMEDRIVER_VERSION}/chromedriver_linux64.zip \
    && unzip /tmp/chromedriver.zip -d /usr/bin/ \
    && rm /tmp/chromedriver.zip \
    && chmod +x /usr/bin/chromedriver

# Set up app directory
WORKDIR /app

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app
COPY app.py .

# Set environment variable for port
ENV PORT=7860

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