Dockerfile

FROM python:3.10

# Create a non-root user
RUN useradd -m -u 1000 user
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 tmate and required tools
RUN apt-get update && apt-get install -y curl git tmate && apt-get clean

# Copy app code
COPY . /app

# Set permissions for non-root user
RUN chown -R user:user /app

# Create startup script that logs tmate link
RUN cat << 'EOF' > /app/start.sh
#!/bin/bash

# Start tmate in the background and write output to log
tmate -F > /tmp/tmate.log 2>&1 &

# Wait for tmate to initialize
sleep 2

# Print the SSH/web link from the tmate log
grep -E "ssh|web|https" /tmp/tmate.log || tail -n 20 /tmp/tmate.log

# Start FastAPI app
exec uvicorn main:app --host 0.0.0.0 --port 7860
EOF

# Make the script executable
RUN chmod +x /app/start.sh

# Switch to non-root user
USER user

# Run the startup script
CMD ["bash", "/app/start.sh"]