doc

Dockerfile

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+# Use a lightweight Python image
+FROM python:3.11-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the requirements file first to leverage Docker cache
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of your application code
+COPY . .
+
+# Expose the port Flask runs on (default is 5000)
+EXPOSE 5000
+
+# Run the application using Gunicorn for production
+# Replace 'app:app' with 'your_filename:app_variable_name'
+# CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"]
+CMD ["python", "app.py"]

requirements.txt

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+flask
+gunicorn