Update Dockerfile

Dockerfile

@@ -1,5 +1,7 @@
+# Use Python 3.9 slim image
 FROM python:3.9-slim
 
+# Set working directory
 WORKDIR /app
 
 # Install system dependencies
@@ -7,25 +9,42 @@ RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
     software-properties-common \
+    git \
     && 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 requirements and install Python dependencies
+COPY requirements.txt ./
+RUN pip3 install --no-cache-dir -r requirements.txt
 
-# Copy the application
+# Set NLTK data directory to a location with proper permissions
+ENV NLTK_DATA=/usr/local/share/nltk_data
+RUN mkdir -p $NLTK_DATA
+
+# Download NLTK data as root (with permissions) and handle SSL issues
+RUN python -c "import ssl; ssl._create_default_https_context = ssl._create_unverified_context; import nltk; nltk.download('stopwords', download_dir='/usr/local/share/nltk_data'); nltk.download('wordnet', download_dir='/usr/local/share/nltk_data'); nltk.download('omw-1.4', download_dir='/usr/local/share/nltk_data')"
+
+# Copy the application code
 COPY . .
 
-# Create directories for the app
-RUN mkdir -p /tmp/app_data
+# Create necessary directories with proper permissions
+RUN mkdir -p models artifacts vectorizers
+RUN chmod -R 755 models artifacts vectorizers
+
+# Create a non-root user for security
+RUN useradd -m -u 1000 user
+RUN chown -R user:user /app
+USER user
 
 # Set environment variables
-ENV STREAMLIT_SERVER_PORT=7860
-ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
-ENV STREAMLIT_SERVER_HEADLESS=true
-ENV STREAMLIT_SERVER_FILE_WATCHER_TYPE=none
-ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    PYTHONPATH=/app \
+    NLTK_DATA=/usr/local/share/nltk_data
+
+# Expose the port that Streamlit runs on
+EXPOSE 8501
+
+# Run the application
+CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]
 
-EXPOSE 7860
 
-CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]