Create Dockerfile

Dockerfile

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+# Use an official Python runtime as a base image
+FROM python:3.9-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Set environment variables (MySQL credentials)
+ENV MYSQL_HOST=${MYSQL_HOST}
+ENV MYSQL_USER=${MYSQL_USER}
+ENV MYSQL_PASSWORD=${MYSQL_PASSWORD}
+ENV MYSQL_DB=${MYSQL_DB}
+
+# Expose the port the app runs on
+EXPOSE 5000
+
+# Run the Flask app
+CMD ["python", "app.py"]