Create Dockerfile

Dockerfile

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+# Use official lightweight Python image
+FROM python:3.11-slim
+
+# Prevent Python from writing pyc files
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Prevent Python from buffering stdout/stderr
+ENV PYTHONUNBUFFERED=1
+
+# Set working directory
+WORKDIR /app
+
+# Install dependencies
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Expose port
+EXPOSE 8000
+
+# Run app using Gunicorn
+CMD ["gunicorn", "--bind", "0.0.0.0:8000", "app:app"]