Dockerfile

FROM python:3.9-slim

# Install necessary system dependencies and gnupg
RUN apt-get update && apt-get install -y \
    libgl1-mesa-glx \
    libglib2.0-0 \
    wget \
    unzip \
    curl \
    ca-certificates \
    gnupg \
    fonts-liberation \
    libnss3 \
    libxss1 \
    libappindicator1 \
    libgbm-dev \
    libgtk-3-0 \
    chromium \
    && rm -rf /var/lib/apt/lists/*

# Download and install ChromeDriver
RUN CHROME_VERSION=$(chromium --version | grep -oP '[0-9]+(\.[0-9]+)+') && \
    DRIVER_VERSION=$(curl -sS "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_$CHROME_VERSION") && \
    wget -O /tmp/chromedriver.zip "https://chromedriver.storage.googleapis.com/$DRIVER_VERSION/chromedriver_linux64.zip" && \
    unzip /tmp/chromedriver.zip -d /usr/local/bin/ && \
    rm /tmp/chromedriver.zip && \
    chmod +x /usr/local/bin/chromedriver

WORKDIR /code
RUN mkdir -p /code/uploads && chmod 755 /code/uploads

# Copy and install Python dependencies
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
COPY . /code

# Add and use a non-root user
RUN useradd -ms /bin/sh myuser
RUN chown -R myuser:myuser /code
USER myuser

# Set environment variables for Chrome
ENV CHROME_BIN=/usr/bin/chromium
ENV CHROME_DRIVER=/usr/local/bin/chromedriver

# Default command to run the application
CMD ["python", "app.py"]