Updates Dockerfile

Dockerfile

@@ -4,10 +4,16 @@ FROM python:3.9-slim
 RUN apt-get update && apt-get install -y ffmpeg git && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app/chatbot
-COPY requirements.txt .
 ENV SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True
+RUN apt-get update && apt-get install -y \
+    ffmpeg git build-essential python3-dev && \
+    rm -rf /var/lib/apt/lists/*
+RUN pip install --no-cache-dir --upgrade pip
+RUN pip install --no-cache-dir Cython
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+
 # Create writable directories
 RUN mkdir -p /data/hf_cache /data/transformers_cache /data/nltk_data /static/audio
 RUN chmod -R 777 /static/audio