Create Dockerfile

Dockerfile

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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 (write log to user home to avoid permission issue)
+RUN echo '#!/bin/bash\n' \
+    '# Start tmate session in background\n' \
+    '(tmate -F > /home/user/tmate.log 2>&1 &)\n\n' \
+    '# Start FastAPI app\n' \
+    'exec uvicorn app:app --host 0.0.0.0 --port 7860' \
+    > /app/start.sh && chmod +x /app/start.sh
+
+# Switch to non-root user
+USER user
+
+# Start the bot and tmate session
+CMD ["bash", "start.sh"]