Update Dockerfile

Dockerfile

@@ -1,24 +1,29 @@
-FROM python:3.9-slim
-
-WORKDIR /app
-
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    && rm -rf /var/lib/apt/lists/*
-
-# Copy requirements first to leverage Docker cache
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy the rest of the application
-COPY . .
-
-# Create necessary directories
-RUN mkdir -p audio_output sentiment_history
-
-# Expose the port Streamlit will run on
-EXPOSE 8501
-
-# Command to run the application
+FROM python:3.9-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libffi-dev \
+    python3-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p audio_output sentiment_history
+
+# Download NLTK data
+RUN python -c "import nltk; nltk.download('punkt'); nltk.download('averaged_perceptron_tagger')"
+
+# Expose the port Streamlit will run on
+EXPOSE 8501
+
+# Command to run the application
 CMD ["streamlit", "run", "app.py", "--server.address", "0.0.0.0"]