Create Dockerfile

Dockerfile

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+# Use Python 3.10 image
+FROM python:3.10-slim
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements and install
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app files
+COPY . .
+
+# Expose port
+EXPOSE 5000
+
+# Start Flask
+CMD ["python", "app.py"]