start.sh

#!/bin/bash

# Exit immediately if a command exits with a non-zero status.
set -e

# Define the path for a "flag" file that tells us if initialization is done
INITIALIZED_FLAG="/app/data/.initialized"

# --- First-Time Startup Logic ---
# Check if the flag file does NOT exist
if [ ! -f "$INITIALIZED_FLAG" ]; then
    echo "--- FIRST-TIME STARTUP DETECTED ---"
    
    echo "--> Running knowledge base processing (process_docs.py)..."
    # Run the processing script. This will create the database and vector store.
    python process_docs.py
    
    echo "--> Knowledge base processing complete."
    
    # Create the flag file to prevent this block from running again
    touch "$INITIALIZED_FLAG"
    echo "--> Initialization flag created at $INITIALIZED_FLAG"
    
else
    echo "--- SUBSEQUENT STARTUP DETECTED ---"
    echo "--> Skipping knowledge base processing."
fi

# --- Start the Main Application ---
echo "--> Starting Uvicorn server..."
# Use exec to replace the shell process with the Uvicorn process.
# This is a best practice for Docker containers.
exec uvicorn main:app --host 0.0.0.0 --port 8000