Update Dockerfile

Dockerfile

@@ -1,33 +1,31 @@
-# Use Python 3.10 (Stable and compatible with OR-Tools)
+# Use Python 3.10-slim (More stable/compatible than 3.13 for OR-Tools)
 FROM python:3.10-slim
 
-# Set the working directory inside the container
+# Set working directory
 WORKDIR /app
 
-# Install system dependencies
+# Install only the absolute necessities
+# REMOVED: software-properties-common (this was causing your error)
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
-    software-properties-common \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements.txt first (to cache dependencies)
+# Copy requirements first (for caching)
 COPY requirements.txt .
 
-# Install Python libraries
+# Install Python dependencies
 RUN pip3 install --no-cache-dir -r requirements.txt
 
-# --- CRITICAL CHANGE HERE ---
-# Copy EVERYTHING from your current folder to the container
-# This ensures app.py, config.py, agents.py, and utils.py are all copied.
+# Copy ALL your application files (app.py, config.py, agents.py, utils.py)
 COPY . .
 
-# Expose Streamlit port
+# Open the port
 EXPOSE 8501
 
-# Healthcheck to ensure the app is running
+# Healthcheck
 HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
 
-# Point to "app.py" instead of "src/streamlit_app.py"
+# Run the app
 ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]