diff --git a/Dockerfile b/Dockerfile
index f0642ded9..5f76aff3a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,6 +41,8 @@ RUN apt-get update -q && \
         /var/tmp/*
 
 WORKDIR /app
+# Set the PYTHONPATH environment variable to include the /app directory
+ENV PYTHONPATH=/app
 
 COPY cognitive_architecture/ /app/cognitive_architecture
 COPY main.py /app
diff --git a/cognitive_architecture/config.py b/cognitive_architecture/config.py
index d5cc58184..9286753e7 100644
--- a/cognitive_architecture/config.py
+++ b/cognitive_architecture/config.py
@@ -1,4 +1,5 @@
 """Configuration for cognee - cognitive architecture framework."""
+import logging
 import os
 import configparser
 import uuid
@@ -36,6 +37,7 @@ class Config:
     db_user: str = os.getenv("DB_USER", "cognee")
     db_password: str = os.getenv("DB_PASSWORD", "cognee")
     sqlalchemy_logging: bool = os.getenv("SQLALCHEMY_LOGGING", True)
+    graph_name = os.getenv("GRAPH_NAME", "cognee_graph.pkl")
 
     # Model parameters
     model: str = "gpt-4-1106-preview"
@@ -55,29 +57,34 @@ class Config:
         or os.getenv("AWS_ENV") == "dev"
         or os.getenv("AWS_ENV") == "prd"
     ):
+        load_dotenv()
+        logging.info("graph_db_url: %s", os.getenv("GRAPH_DB_URL_PROD"))
         graph_database_url: str = os.getenv("GRAPH_DB_URL_PROD")
         graph_database_username: str = os.getenv("GRAPH_DB_USER")
         graph_database_password: str = os.getenv("GRAPH_DB_PW")
     else:
+        logging.info("graph_db_urlvvv: %s", os.getenv("GRAPH_DB_URL"))
         graph_database_url: str = os.getenv("GRAPH_DB_URL")
         graph_database_username: str = os.getenv("GRAPH_DB_USER")
         graph_database_password: str = os.getenv("GRAPH_DB_PW")
     weaviate_url: str = os.getenv("WEAVIATE_URL")
     weaviate_api_key: str = os.getenv("WEAVIATE_API_KEY")
-    postgres_user: str = os.getenv("POSTGRES_USER")
-    postgres_password: str = os.getenv("POSTGRES_PASSWORD")
-    postgres_db: str = os.getenv("POSTGRES_DB")
+
     if (
         os.getenv("ENV") == "prod"
         or os.getenv("ENV") == "dev"
         or os.getenv("AWS_ENV") == "dev"
         or os.getenv("AWS_ENV") == "prd"
     ):
-        postgres_host: str = os.getenv("POSTGRES_PROD_HOST")
-    elif os.getenv("ENV") == "docker":
-        postgres_host: str = os.getenv("POSTGRES_HOST_DOCKER")
-    elif os.getenv("ENV") == "local":
-        postgres_host: str = os.getenv("POSTGRES_HOST_LOCAL")
+        load_dotenv()
+        db_type = 'postgresql'
+
+        db_host: str = os.getenv("POSTGRES_HOST")
+        logging.info("db_host: %s", db_host)
+        db_user: str = os.getenv("POSTGRES_USER")
+        db_password: str = os.getenv("POSTGRES_PASSWORD")
+        db_name: str = os.getenv("POSTGRES_DB")
+
 
     # Client ID
     anon_clientid: Optional[str] = field(default_factory=lambda: uuid.uuid4().hex)
diff --git a/cognitive_architecture/database/graphdb/networkx/networkx_graph.py b/cognitive_architecture/database/graphdb/networkx/networkx_graph.py
index ae005ccdf..8fd1b4b84 100644
--- a/cognitive_architecture/database/graphdb/networkx/networkx_graph.py
+++ b/cognitive_architecture/database/graphdb/networkx/networkx_graph.py
@@ -1,9 +1,15 @@
 import pickle
-
+from pathlib import Path
+from cognitive_architecture.config import Config
 import networkx as nx
+config = Config()
+config  = config.load()
+
 
 
 class NetworkXGraphDB:
+    """A class to manage a graph database using NetworkX"""
+    # graph_path = (Path(config.db_path) / config.graph_name).absolute()
     def __init__(self, filename="cognee_graph.pkl"):
         self.filename = filename
         try:
diff --git a/cognitive_architecture/database/relationaldb/database.py b/cognitive_architecture/database/relationaldb/database.py
index b0410a557..0c819f902 100644
--- a/cognitive_architecture/database/relationaldb/database.py
+++ b/cognitive_architecture/database/relationaldb/database.py
@@ -14,17 +14,19 @@
 def get_sqlalchemy_database_url(
     db_type = globalConfig.db_type,
     db_name = globalConfig.db_name,
-    base_path = globalConfig.db_path,
+    db_path = globalConfig.db_path,
     user = globalConfig.db_user,
     password = globalConfig.db_password,
     host = globalConfig.db_host,
     port = globalConfig.db_port,
 ):
     """Get the SQLAlchemy database URL based on parameters."""
-    db_path = (Path(base_path) / db_name).absolute()
+
     if db_type == "sqlite":
+        db_path = (Path(db_path) / db_name).absolute()
         return f"sqlite+aiosqlite:///{db_path}"  # SQLite uses file path
     elif db_type == "duckdb":
+        db_path = (Path(db_path) / db_name).absolute()
         return f"duckdb+aiosqlite:///{db_path}"
     elif db_type == "postgresql":
         # Ensure optional parameters are handled gracefully
diff --git a/cognitive_architecture/database/relationaldb/models/docs.py b/cognitive_architecture/database/relationaldb/models/docs.py
index f51404b45..4d643f3b9 100644
--- a/cognitive_architecture/database/relationaldb/models/docs.py
+++ b/cognitive_architecture/database/relationaldb/models/docs.py
@@ -1,3 +1,4 @@
+""" This module contains the MemoryModel class, which is a SQLAlchemy model for the memory table in the relational database. """
 from datetime import datetime
 from sqlalchemy import Column, String, DateTime, ForeignKey, Boolean
 from sqlalchemy.orm import relationship
@@ -7,6 +8,7 @@
 
 
 class DocsModel(Base):
+    """ Docs model"""
     __tablename__ = "docs"
 
     id = Column(String, primary_key=True)
diff --git a/cognitive_architecture/database/relationaldb/models/memory.py b/cognitive_architecture/database/relationaldb/models/memory.py
index 8d88c00aa..3e5b0bb10 100644
--- a/cognitive_architecture/database/relationaldb/models/memory.py
+++ b/cognitive_architecture/database/relationaldb/models/memory.py
@@ -1,3 +1,4 @@
+""" This module contains the MemoryModel class, which is a SQLAlchemy model for the memory table in the relational database. """
 from datetime import datetime
 from sqlalchemy import Column, String, DateTime, ForeignKey
 from sqlalchemy.orm import relationship
@@ -5,6 +6,7 @@
 
 
 class MemoryModel(Base):
+    """ Memory model"""
     __tablename__ = "memories"
 
     id = Column(String, primary_key=True)
diff --git a/cognitive_architecture/database/relationaldb/models/metadatas.py b/cognitive_architecture/database/relationaldb/models/metadatas.py
index 094134ee6..3121bd672 100644
--- a/cognitive_architecture/database/relationaldb/models/metadatas.py
+++ b/cognitive_architecture/database/relationaldb/models/metadatas.py
@@ -1,4 +1,5 @@
 # metadata.py
+""" MetaData model """
 from datetime import datetime
 from sqlalchemy import Column, String, DateTime, ForeignKey
 from sqlalchemy.orm import relationship
@@ -8,6 +9,7 @@
 
 
 class MetaDatas(Base):
+    """ MetaData model"""
     __tablename__ = "metadatas"
 
     id = Column(String, primary_key=True)
diff --git a/cognitive_architecture/database/relationaldb/models/operation.py b/cognitive_architecture/database/relationaldb/models/operation.py
index f3f55ed86..42842295a 100644
--- a/cognitive_architecture/database/relationaldb/models/operation.py
+++ b/cognitive_architecture/database/relationaldb/models/operation.py
@@ -1,4 +1,5 @@
 # operation.py
+""" Operation model """
 from datetime import datetime
 from sqlalchemy import Column, Integer, String, DateTime, ForeignKey
 from sqlalchemy.orm import relationship
@@ -8,6 +9,7 @@
 
 
 class Operation(Base):
+    """ Operation model"""
     __tablename__ = "operations"
 
     id = Column(String, primary_key=True)
diff --git a/cognitive_architecture/database/relationaldb/models/sessions.py b/cognitive_architecture/database/relationaldb/models/sessions.py
index d88cd5b47..54b305cf3 100644
--- a/cognitive_architecture/database/relationaldb/models/sessions.py
+++ b/cognitive_architecture/database/relationaldb/models/sessions.py
@@ -1,4 +1,5 @@
 # session.py
+""" Session model """
 from datetime import datetime
 from sqlalchemy import Column, Integer, String, DateTime, ForeignKey
 from sqlalchemy.orm import relationship
@@ -9,6 +10,7 @@
 
 
 class Session(Base):
+    """ Session model"""
     __tablename__ = "sessions"
 
     id = Column(String, primary_key=True)
diff --git a/cognitive_architecture/database/relationaldb/models/user.py b/cognitive_architecture/database/relationaldb/models/user.py
index 1cffc24c5..568ad3c53 100644
--- a/cognitive_architecture/database/relationaldb/models/user.py
+++ b/cognitive_architecture/database/relationaldb/models/user.py
@@ -1,4 +1,5 @@
 # user.py
+""" User model """
 from datetime import datetime
 from sqlalchemy import Column, String, DateTime
 from sqlalchemy.orm import relationship
@@ -14,6 +15,7 @@
 
 
 class User(Base):
+    """ User model"""
     __tablename__ = "users"
 
     id = Column(String, primary_key=True, index=True)
diff --git a/cognitive_architecture/fetch_secret.py b/cognitive_architecture/fetch_secret.py
index 9c8b992d6..65b5326a9 100644
--- a/cognitive_architecture/fetch_secret.py
+++ b/cognitive_architecture/fetch_secret.py
@@ -12,12 +12,11 @@
 # Add the parent directory to sys.path
 sys.path.insert(0, parent_dir)
 
-# API_ENABLED = os.environ.get("API_ENABLED", "False").lower() == "true"
-
 environment = os.getenv("AWS_ENV", "dev")
 
 
-def fetch_secret(secret_name, region_name, env_file_path):
+def fetch_secret(secret_name:str, region_name:str, env_file_path:str):
+    """Fetch the secret from AWS Secrets Manager and write it to the .env file."""
     print("Initializing session")
     session = boto3.session.Session()
     print("Session initialized")
@@ -28,20 +27,19 @@ def fetch_secret(secret_name, region_name, env_file_path):
         response = client.get_secret_value(SecretId=secret_name)
     except Exception as e:
         print(f"Error retrieving secret: {e}")
-        return None
+        return f"Error retrieving secret: {e}"
 
     if "SecretString" in response:
         secret = response["SecretString"]
     else:
         secret = response["SecretBinary"]
 
+    with open(env_file_path, "w") as env_file:
+        env_file.write(secret)
+        print("Secrets are added to the .env file.")
+
     if os.path.exists(env_file_path):
         print(f"The .env file is located at: {env_file_path}")
-
-        with open(env_file_path, "w") as env_file:
-            env_file.write(secret)
-            print("Secrets are added to the .env file.")
-
         load_dotenv()
         print("The .env file is loaded.")
     else:
diff --git a/cognitive_architecture/llm/queries.py b/cognitive_architecture/llm/queries.py
index 265fe5086..816a80167 100644
--- a/cognitive_architecture/llm/queries.py
+++ b/cognitive_architecture/llm/queries.py
@@ -1,38 +1,38 @@
+""" This module contains the functions that are used to query the language model. """
 import os
-
-from ..shared.data_models import Node, Edge, KnowledgeGraph, GraphQLQuery, MemorySummary
-from ..config import Config
 import instructor
 from openai import OpenAI
+import logging
+from ..shared.data_models import  KnowledgeGraph,  MemorySummary
+from ..config import Config
+
+
 
 config = Config()
 config.load()
 
-print(config.model)
-print(config.openai_key)
-
 OPENAI_API_KEY = config.openai_key
 
 aclient = instructor.patch(OpenAI())
 
-import logging
-
 
 # Function to read query prompts from files
 def read_query_prompt(filename):
+    """Read a query prompt from a file."""
     try:
         with open(filename, "r") as file:
             return file.read()
     except FileNotFoundError:
-        logging.info(f"Error: File not found. Attempted to read: {filename}")
-        logging.info(f"Current working directory: {os.getcwd()}")
+        logging.info(f"Error: File not found. Attempted to read: %s {filename}")
+        logging.info(f"Current working directory: %s {os.getcwd()}")
         return None
     except Exception as e:
-        logging.info(f"An error occurred: {e}")
+        logging.info(f"An error occurred: %s {e}")
         return None
 
 
 def generate_graph(input) -> KnowledgeGraph:
+    """Generate a knowledge graph from a user query."""
     model = "gpt-4-1106-preview"
     user_prompt = f"Use the given format to extract information from the following input: {input}."
     system_prompt = read_query_prompt(
@@ -57,20 +57,26 @@ def generate_graph(input) -> KnowledgeGraph:
 
 
 async def generate_summary(input) -> MemorySummary:
+    """Generate a summary from a user query."""
     out = aclient.chat.completions.create(
         model=config.model,
         messages=[
             {
                 "role": "user",
-                "content": f"""Use the given format summarize and reduce the following input: {input}. """,
+                "content": f"""Use the given format summarize 
+                and reduce the following input: {input}. """,
             },
             {
                 "role": "system",
                 "content": """You are a top-tier algorithm
-                designed for summarizing existing knowledge graphs in structured formats based on a knowledge graph.
+                designed for summarizing existing knowledge 
+                graphs in structured formats based on a knowledge graph.
                 ## 1. Strict Compliance
-                Adhere to the rules strictly. Non-compliance will result in termination.
-                ## 2. Don't forget your main goal is to reduce the number of nodes in the knowledge graph while preserving the information contained in it.""",
+                Adhere to the rules strictly. 
+                Non-compliance will result in termination.
+                ## 2. Don't forget your main goal 
+                is to reduce the number of nodes in the knowledge graph 
+                while preserving the information contained in it.""",
             },
         ],
         response_model=MemorySummary,
@@ -79,6 +85,7 @@ async def generate_summary(input) -> MemorySummary:
 
 
 def user_query_to_edges_and_nodes(input: str) -> KnowledgeGraph:
+    """Generate a knowledge graph from a user query."""
     system_prompt = read_query_prompt(
         "cognitive_architecture/llm/prompts/generate_graph_prompt.txt"
     )
@@ -87,7 +94,8 @@ def user_query_to_edges_and_nodes(input: str) -> KnowledgeGraph:
         messages=[
             {
                 "role": "user",
-                "content": f"""Use the given format to extract information from the following input: {input}. """,
+                "content": f"""Use the given format to
+                 extract information from the following input: {input}. """,
             },
             {"role": "system", "content": system_prompt},
         ],
diff --git a/cognitive_architecture/openai_tools.py b/cognitive_architecture/openai_tools.py
index 179117377..b968a508f 100644
--- a/cognitive_architecture/openai_tools.py
+++ b/cognitive_architecture/openai_tools.py
@@ -1,3 +1,4 @@
+"""Tools for interacting with OpenAI's GPT-3, GPT-4 API"""
 import asyncio
 import random
 import os
diff --git a/cognitive_architecture/shared/data_models.py b/cognitive_architecture/shared/data_models.py
index 38650b988..c95000bd5 100644
--- a/cognitive_architecture/shared/data_models.py
+++ b/cognitive_architecture/shared/data_models.py
@@ -1,9 +1,10 @@
+"""Data models for the cognitive architecture."""
 from typing import Optional, List
-
 from pydantic import BaseModel, Field
 
 
 class Node(BaseModel):
+    """Node in a knowledge graph."""
     id: int
     description: str
     category: str
@@ -14,6 +15,7 @@ class Node(BaseModel):
 
 
 class Edge(BaseModel):
+    """Edge in a knowledge graph."""
     source: int
     target: int
     description: str
@@ -23,14 +25,17 @@ class Edge(BaseModel):
 
 
 class KnowledgeGraph(BaseModel):
+    """Knowledge graph."""
     nodes: List[Node] = Field(..., default_factory=list)
     edges: List[Edge] = Field(..., default_factory=list)
 
 
 class GraphQLQuery(BaseModel):
+    """GraphQL query."""
     query: str
 
 
 class MemorySummary(BaseModel):
+    """ Memory summary. """
     nodes: List[Node] = Field(..., default_factory=list)
     edges: List[Edge] = Field(..., default_factory=list)
diff --git a/cognitive_architecture/shared/language_processing.py b/cognitive_architecture/shared/language_processing.py
index bb112cd07..203b80050 100644
--- a/cognitive_architecture/shared/language_processing.py
+++ b/cognitive_architecture/shared/language_processing.py
@@ -1,9 +1,10 @@
+""" This module provides language processing functions for language detection and translation. """
+import logging
 import boto3
 from botocore.exceptions import BotoCoreError, ClientError
 from langdetect import detect, LangDetectException
 import iso639
 
-import logging
 
 # Basic configuration of the logging system
 logging.basicConfig(
@@ -30,7 +31,7 @@ def detect_language(text):
     try:
         # Detect the language using langdetect
         detected_lang_iso639_1 = detect(trimmed_text)
-        logging.info(f"Detected ISO 639-1 code: {detected_lang_iso639_1}")
+        logging.info(f"Detected ISO 639-1 code: %s {detected_lang_iso639_1}")
 
         # Special case: map 'hr' (Croatian) to 'sr' (Serbian ISO 639-2)
         if detected_lang_iso639_1 == "hr":
@@ -38,9 +39,9 @@ def detect_language(text):
         return detected_lang_iso639_1
 
     except LangDetectException as e:
-        logging.error(f"Language detection error: {e}")
+        logging.error(f"Language detection error: %s  {e}")
     except Exception as e:
-        logging.error(f"Unexpected error: {e}")
+        logging.error(f"Unexpected error: %s  {e}")
 
     return -1
 
@@ -57,8 +58,10 @@ def translate_text(
 
     Parameters:
     text (str): The text to be translated.
-    source_language (str): The source language code (e.g., 'sr' for Serbian). ISO 639-2 Code https://www.loc.gov/standards/iso639-2/php/code_list.php
-    target_language (str): The target language code (e.g., 'en' for English). ISO 639-2 Code https://www.loc.gov/standards/iso639-2/php/code_list.php
+    source_language (str): The source language code (e.g., 'sr' for Serbian).
+     ISO 639-2 Code https://www.loc.gov/standards/iso639-2/php/code_list.php
+    target_language (str): The target language code (e.g., 'en' for English).
+    ISO 639-2 Code https://www.loc.gov/standards/iso639-2/php/code_list.php
     region_name (str): AWS region name.
 
     Returns:
@@ -82,20 +85,9 @@ def translate_text(
         return result.get("TranslatedText", "No translation found.")
 
     except BotoCoreError as e:
-        logging.info(f"BotoCoreError occurred: {e}")
+        logging.info(f"BotoCoreError occurred: %s  {e}")
         return "Error with AWS Translate service configuration or request."
 
     except ClientError as e:
-        logging.info(f"ClientError occurred: {e}")
+        logging.info(f"ClientError occurred: %s  {e}")
         return "Error with AWS client or network issue."
-
-
-source_language = "sr"
-target_language = "en"
-text_to_translate = "Ja volim da pecam i idem na reku da šetam pored nje ponekad"
-
-translated_text = translate_text(text_to_translate, source_language, target_language)
-print(translated_text)
-
-
-# print(detect_language("Koliko krava ide u setnju?"))
diff --git a/cognitive_architecture/utils.py b/cognitive_architecture/utils.py
index a5335e884..80654059c 100644
--- a/cognitive_architecture/utils.py
+++ b/cognitive_architecture/utils.py
@@ -1,3 +1,5 @@
+""" This module contains utility functions for the cognitive architecture. """
+
 import os
 import random
 import string
@@ -13,7 +15,13 @@
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.future import select
 import logging
-
+from cognitive_architecture.database.relationaldb.models.operation import Operation
+from cognitive_architecture.database.relationaldb.database_crud import (
+    session_scope,
+    add_entity,
+    update_entity,
+    fetch_job_id,
+)
 
 class Node:
     def __init__(self, id, description, color):
@@ -72,6 +80,7 @@ def get_document_names(doc_input):
 
 
 def format_dict(d):
+    """ Format a dictionary as a string."""
     # Initialize an empty list to store formatted items
     formatted_items = []
 
@@ -93,6 +102,7 @@ def format_dict(d):
 
 
 def append_uuid_to_variable_names(variable_mapping):
+    """ Append a UUID to the variable names to make them unique."""
     unique_variable_mapping = {}
     for original_name in variable_mapping.values():
         unique_name = f"{original_name}_{uuid.uuid4().hex}"
@@ -102,6 +112,7 @@ def append_uuid_to_variable_names(variable_mapping):
 
 # Update the functions to use the unique variable names
 def create_node_variable_mapping(nodes):
+    """ Create a mapping of node identifiers to unique variable names."""
     mapping = {}
     for node in nodes:
         variable_name = f"{node['category']}{node['id']}".lower()
@@ -110,6 +121,7 @@ def create_node_variable_mapping(nodes):
 
 
 def create_edge_variable_mapping(edges):
+    """ Create a mapping of edge identifiers to unique variable names."""
     mapping = {}
     for edge in edges:
         # Construct a unique identifier for the edge
@@ -124,17 +136,10 @@ def generate_letter_uuid(length=8):
     return "".join(random.choice(letters) for _ in range(length))
 
 
-from cognitive_architecture.database.relationaldb.models.operation import Operation
-from cognitive_architecture.database.relationaldb.database_crud import (
-    session_scope,
-    add_entity,
-    update_entity,
-    fetch_job_id,
-)
-
 
 
 async def get_vectordb_namespace(session: AsyncSession, user_id: str):
+    """ Asynchronously retrieves the latest memory names for a given user."""
     try:
         result = await session.execute(
             select(MemoryModel.memory_name)
@@ -151,6 +156,7 @@ async def get_vectordb_namespace(session: AsyncSession, user_id: str):
 
 
 async def get_vectordb_document_name(session: AsyncSession, user_id: str):
+    """ Asynchronously retrieves the latest memory names for a given user."""
     try:
         result = await session.execute(
             select(DocsModel.doc_name)
@@ -167,6 +173,7 @@ async def get_vectordb_document_name(session: AsyncSession, user_id: str):
 
 
 async def get_model_id_name(session: AsyncSession, id: str):
+    """ Asynchronously retrieves the latest memory names for a given user."""
     try:
         result = await session.execute(
             select(MemoryModel.memory_name)
@@ -236,12 +243,6 @@ async def get_unsumarized_vector_db_namespace(session: AsyncSession, user_id: st
 
     return memory_details, docs
 
-    # except Exception as e:
-    #     # Handle the exception as needed
-    #     print(f"An error occurred: {e}")
-    #     return None
-
-
 async def get_memory_name_by_doc_id(session: AsyncSession, docs_id: str):
     """
     Asynchronously retrieves memory names associated with a specific document ID.