Update Dockerfile

Dockerfile

@@ -1,20 +1,45 @@
-FROM python:3.13.5-slim
+# Base image with Python 3.9 (lightweight)
+FROM python:3.9-slim
 
+# Prevent interactive prompts during package installs
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Set working directory
 WORKDIR /app
 
+# System dependencies (needed for nltk, matplotlib, wordcloud)
 RUN apt-get update && apt-get install -y \
-    build-essential \
+    gcc \
+    g++ \
+    wget \
     curl \
     git \
+    build-essential \
+    libglib2.0-0 \
+    libsm6 \
+    libxrender1 \
+    libxext6 \
+    libgl1 \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# Copy requirements first (better caching)
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Download NLTK stopwords
+RUN python -m nltk.downloader stopwords
 
-RUN pip3 install -r requirements.txt
+# Copy source code
+COPY . .
 
-EXPOSE 8501
+# Expose Streamlit default port
+EXPOSE 7860
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Set environment for Streamlit
+ENV STREAMLIT_SERVER_PORT=7860 \
+    STREAMLIT_SERVER_ADDRESS=0.0.0.0
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Command to run Streamlit
+CMD ["streamlit", "run", "app.py"]