added docker and chnages of from model changes commits

Dockerfile

@@ -0,0 +1,22 @@
+FROM python:3.11-slim
+
+# Prevent Python buffering
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+# Install system deps (if needed later)
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 5000
+
+CMD ["python", "main.py"]
+