Update Dockerfile

Dockerfile

@@ -1,27 +1,25 @@
 FROM python:3.9-slim
 
+# Set the working directory
 WORKDIR /app
 
-# 1. Install system tools
+# 1. Install ONLY the absolute necessities
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
-    software-properties-common \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-# 2. Copy the requirements file FIRST
+# 2. Copy and install requirements
 COPY requirements.txt .
-
-# 3. Install the libraries
 RUN pip3 install --no-cache-dir -r requirements.txt
 
-# 4. Copy the rest of the code AFTER libraries are installed
+# 3. Copy the rest of the code
 COPY . .
 
-# 5. Set environment variables for Streamlit
+# 4. Streamlit environment variables
 ENV STREAMLIT_SERVER_PORT=7860
 ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
 
-# 6. Run it
+# 5. Launch
 CMD ["streamlit", "run", "streamlit_app.py"]