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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 using proper heredoc
RUN bash -c 'cat <<EOF > /app/start.sh
#!/bin/bash

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

# Wait for tmate to start
sleep 2

# Show SSH/Web link in logs
grep -E "ssh|web|https" /tmp/tmate.log || tail -n 20 /tmp/tmate.log

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

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

# Switch to non-root user
USER user

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