import os from dotenv import load_dotenv load_dotenv() host = os.getenv("PG_VECTOR_HOST") user = os.getenv("PG_VECTOR_USER") password = os.getenv("PG_VECTOR_PASSWORD") COLLECTION_NAME = os.getenv("PGDATABASE") CONNECTION_STRING = "postgresql+psycopg://langchain:langchain@localhost:6024/langchain" #CONNECTION_STRING = f"postgresql+psycopg://{user}:{password}@{host}:6042/{COLLECTION_NAME}"