Updates Dockerfile

Dockerfile

@@ -1,22 +1,28 @@
 FROM python:3.9-slim
 
-# System deps
-RUN apt-get update && apt-get install -y ffmpeg git && rm -rf /var/lib/apt/lists/*
-
-WORKDIR /app/chatbot
-ENV SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     ffmpeg git build-essential python3-dev && \
     rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app/chatbot
+
+# Allow deprecated sklearn install if needed
+ENV SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True
+
+# Upgrade pip and install Cython first (for youtokentome)
 RUN pip install --no-cache-dir --upgrade pip
 RUN pip install --no-cache-dir Cython
+
+# Install Python dependencies
 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
+# Create writable cache & audio directories
+RUN mkdir -p /data/hf_cache /data/transformers_cache /data/nltk_data /data/audio static/audio && \
+    chmod -R 777 /data static/audio && \
+    chmod -R 777 /root/.cache
 
 # Set environment variables
 ENV HF_HOME=/data/hf_cache
@@ -24,10 +30,11 @@ ENV TRANSFORMERS_CACHE=/data/transformers_cache
 ENV NLTK_DATA=/data/nltk_data
 ENV AUDIO_FOLDER=/data/audio
 
-# Copy source
+# Copy application code
 COPY . .
 
+# Expose port
 EXPOSE 5000
 
-# Run via a production WSGI server (you can also use gunicorn or waitress)
-CMD ["waitress-serve", "--listen=0.0.0.0:5000", "app:app"]
+# Start app using waitress
+CMD ["waitress-serve", "--listen=0.0.0.0:5000", "app:app"]