Create Dockerfile

Dockerfile

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+FROM python:3.9-slim
+
+# This ENV var tells Debian-based images like this one to be non-interactive.
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Set the working directory
+WORKDIR /code
+
+# Copy just the requirements file to leverage Docker cache
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application
+COPY . .
+
+# This command will be run when the container starts
+CMD ["python", "app.py"]