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Machine-Backend/Dockerfile

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+# Backend Dockerfile
+FROM python:3.10-slim
+
+WORKDIR /app
+
+# Install system dependencies (for mysqlclient or pymysql)
+RUN apt-get update && apt-get install -y gcc python3-dev default-libmysqlclient-dev && rm -rf /var/lib/apt/lists/*
+
+# Copy dependencies
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy project files
+COPY . .
+
+# Expose Flask port
+EXPOSE 5000
+
+# Environment (set via docker-compose)
+ENV FLASK_ENV=production
+
+# Start the Flask app
+CMD ["python", "run.py"]