Create Dockerfile

day-21/Dockerfile

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+# Use the official Python image as the base image
+FROM python:3.9
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the Python dependencies file to the container
+COPY requirements.txt .
+
+# Install the Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the Flask application code to the container
+COPY app.py .
+
+# Expose the port the Flask application will run on
+EXPOSE 3000
+
+# Command to run the Flask application when the container starts
+CMD ["python", "app.py"]