Final history clean-up and deployment preparation

start.sh

@@ -1,8 +1,18 @@
 #!/bin/bash
 # 1. Start PostgreSQL
 service postgresql start
-su - postgres -c "psql -c \"CREATE USER user WITH PASSWORD 'password';\""
-su - postgres -c "psql -c \"CREATE DATABASE studentdb OWNER user;\""
+
+# Wait for service to initialize
+sleep 5
+
+# Execute database setup commands
+sudo -u postgres psql -c "CREATE USER prepuser WITH PASSWORD 'password';"
+sudo -u postgres psql -c "CREATE DATABASE studentdb OWNER prepuser;"
+
+export DATABASE_URL="postgresql+psycopg2://prepuser:password@127.0.0.1:5432/studentdb"
+export chroma_host="127.0.0.1"
+export chroma_port="8001" # Assuming you run ChromaDB on this port in start.sh
+export chroma_collection="prepai_collection"
 
 # 2. Start ChromaDB (in-process or separate port)
 chroma run --host 0.0.0.0 --port 8080 --path ./chroma_store &