Dockerfile

FROM python:3.10

# Create non-root user
RUN useradd -m -u 1000 user
USER root
ENV PATH="/home/user/.local/bin:$PATH"

# Set working directory
WORKDIR /app

# Install dependencies
COPY ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Install curl and sshx
RUN apt-get update && apt-get install -y curl
RUN curl -sSfL https://s3.amazonaws.com/sshx/sshx-x86_64-unknown-linux-musl.tar.gz | \
    tar -xz -C /usr/local/bin && chmod +x /usr/local/bin/sshx

# Copy app files
COPY . /app

# Copy startup script
COPY start.sh /app/start.sh
RUN chmod +x /app/start.sh

# Switch to non-root user
USER user

# Run app
CMD ["bash", "start.sh"]