diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
index 4e31eb2..f43ef1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,3 +30,64 @@ dependencies = [
 [build-system]
 requires = ["poetry-core>=2.0.0,<3.0.0"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.ruff]
+# Exclude commonly ignored directories and files.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".ipynb_checkpoints",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pyenv",
+    ".pytest_cache",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    ".vscode",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "site-packages",
+    "venv",
+]
+# Set the maximum line length for both linting and formatting.
+line-length = 88
+# Assume Python 3.9 for compatibility checks.
+target-version = "py39"
+# Enable preview features for early access to new rules and formatting changes.
+preview = true
+
+[tool.ruff.lint]
+# Select specific rule groups to enable.
+# 'E' for pycodestyle, 'F' for Pyflakes, 'I' for isort, 'B' for flake8-bugbear.
+select = [
+    "E",
+    "F",
+    "I",
+    "B",
+    "UP", # pyupgrade
+    "SIM", # flake8-simplify
+]
+# Ignore specific rules within the selected groups.
+ignore = [
+    "UP035",
+    "B903",
+    "B904",
+    "E501", 
+    "B008",
+]
+
+[tool.ruff.format]
+# Enable Ruff's formatter.
+docstring-code-format = true
\ No newline at end of file
diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/api/dependacies/user_dep.py b/src/api/dependacies/user_dep.py
index 36cd0e4..d8597fa 100644
--- a/src/api/dependacies/user_dep.py
+++ b/src/api/dependacies/user_dep.py
@@ -1,14 +1,14 @@
 from typing import Annotated
 
-from fastapi import HTTPException, Depends, Path
+from fastapi import Depends, HTTPException, Path
 from fastapi.security import OAuth2PasswordBearer
 from jwt import InvalidTokenError
 
+from src.api.dependacies.db_dep import sessionDep
 from src.core.auth_manager import AuthManager
 from src.core.settings import settings
 from src.schemas.auth import TokenData
 from src.services.users import UserService
-from src.api.dependacies.db_dep import sessionDep
 
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.api.v1_login_url}/login")
 
diff --git a/src/api/v1/__init__.py b/src/api/v1/__init__.py
index aad979a..7d08ae6 100644
--- a/src/api/v1/__init__.py
+++ b/src/api/v1/__init__.py
@@ -1,7 +1,8 @@
 from fastapi import APIRouter
+
 from src.api.v1.auth import router as auth_router
-from src.api.v1.users import router as users_router
 from src.api.v1.tasks import router as tasks_router
+from src.api.v1.users import router as users_router
 from src.core.settings import settings
 
 router = APIRouter(prefix=settings.api.v1.prefix)
diff --git a/src/api/v1/auth.py b/src/api/v1/auth.py
index 4aa181d..a969cca 100644
--- a/src/api/v1/auth.py
+++ b/src/api/v1/auth.py
@@ -4,8 +4,8 @@ from fastapi import APIRouter, Depends
 from fastapi.security import OAuth2PasswordRequestForm
 
 from src.api.dependacies.db_dep import sessionDep
-from src.schemas.users import UserRequestADD
 from src.core.settings import settings
+from src.schemas.users import UserRequestADD
 from src.services.auth import AuthService
 
 router = APIRouter(prefix=settings.api.v1.auth, tags=["Auth"])
diff --git a/src/api/v1/tasks.py b/src/api/v1/tasks.py
index 9a74f2d..35c51dd 100644
--- a/src/api/v1/tasks.py
+++ b/src/api/v1/tasks.py
@@ -9,7 +9,7 @@ router = APIRouter(prefix="/tasks", tags=["Tasks"])
 
 
 @router.get("/")
-async def get_tasks(db:sessionDep,user: ActiveUser):
+async def get_tasks(db: sessionDep, user: ActiveUser):
     query = select(TasksORM.id, TasksORM.description).where(TasksORM.user_id == user.id)
     tasks = await db.session.execute(query)
     result = tasks.scalars().all()
diff --git a/src/api/v1/users.py b/src/api/v1/users.py
index e00e3f7..05752c3 100644
--- a/src/api/v1/users.py
+++ b/src/api/v1/users.py
@@ -1,10 +1,9 @@
-from fastapi import APIRouter
-from fastapi import Body
+from fastapi import APIRouter, Body
 
-from src.schemas.users import UserUpdate
-from src.api.dependacies.user_dep import ActiveUser, AdminUser, CurrentOrAdmin
 from src.api.dependacies.db_dep import sessionDep
+from src.api.dependacies.user_dep import ActiveUser, AdminUser, CurrentOrAdmin
 from src.core.settings import settings
+from src.schemas.users import UserUpdate
 from src.services.users import UserService
 
 router = APIRouter(prefix=settings.api.v1.users, tags=["Users"])
diff --git a/src/core/auth_manager.py b/src/core/auth_manager.py
index 408b532..ef448f6 100644
--- a/src/core/auth_manager.py
+++ b/src/core/auth_manager.py
@@ -1,4 +1,4 @@
-from datetime import timedelta, datetime, timezone
+from datetime import datetime, timedelta, timezone
 
 import jwt
 from passlib.context import CryptContext
diff --git a/src/core/database.py b/src/core/database.py
index 87fdd37..98738a4 100644
--- a/src/core/database.py
+++ b/src/core/database.py
@@ -1,7 +1,7 @@
 from datetime import datetime
 
-from sqlalchemy import TIMESTAMP, func, event
-from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker
+from sqlalchemy import TIMESTAMP, event, func
+from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
 from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
 from src.core.settings import settings
diff --git a/src/core/settings.py b/src/core/settings.py
index c27c294..79f7f74 100644
--- a/src/core/settings.py
+++ b/src/core/settings.py
@@ -37,6 +37,7 @@ class AccessToken(BaseSettings):
     expire_minutes: int = 15
     secret_key: str
     algorithm: str = "HS256"
+    token_type: str = "bearer"  # noqa: S105
 
 
 class Settings(BaseSettings):
diff --git a/src/main.py b/src/main.py
index 456377f..300d34e 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,8 +1,8 @@
 import sys
-import uvicorn
 from pathlib import Path
-from fastapi import FastAPI
 
+import uvicorn
+from fastapi import FastAPI
 
 sys.path.append(str(Path(__file__).parent.parent))
 from src.api import router
diff --git a/src/migrations/env.py b/src/migrations/env.py
index 695e45d..f7b6a35 100644
--- a/src/migrations/env.py
+++ b/src/migrations/env.py
@@ -1,8 +1,7 @@
 from logging.config import fileConfig
 
-from sqlalchemy import engine_from_config, event
-from sqlalchemy import pool
 from alembic import context
+from sqlalchemy import engine_from_config, event, pool
 
 from src.core.database import Base
 from src.models import *  # noqa
diff --git a/src/migrations/versions/2025_07_06_0002-a2fdd0ec4a96_init.py b/src/migrations/versions/2025_07_06_0002-a2fdd0ec4a96_init.py
index e62e52e..f1c37c7 100644
--- a/src/migrations/versions/2025_07_06_0002-a2fdd0ec4a96_init.py
+++ b/src/migrations/versions/2025_07_06_0002-a2fdd0ec4a96_init.py
@@ -8,9 +8,8 @@ Create Date: 2025-07-06 00:02:09.254907
 
 from typing import Sequence, Union
 
-from alembic import op
 import sqlalchemy as sa
-
+from alembic import op
 
 # revision identifiers, used by Alembic.
 revision: str = "a2fdd0ec4a96"
diff --git a/src/migrations/versions/2025_08_06_2341-197b195208e8_add_cascade_delete_to_tasks.py b/src/migrations/versions/2025_08_06_2341-197b195208e8_add_cascade_delete_to_tasks.py
index 032fcdd..195c8e1 100644
--- a/src/migrations/versions/2025_08_06_2341-197b195208e8_add_cascade_delete_to_tasks.py
+++ b/src/migrations/versions/2025_08_06_2341-197b195208e8_add_cascade_delete_to_tasks.py
@@ -8,9 +8,8 @@ Create Date: 2025-08-06 23:41:56.778423
 
 from typing import Sequence, Union
 
-from alembic import op
 import sqlalchemy as sa
-
+from alembic import op
 
 # revision identifiers, used by Alembic.
 revision: str = "197b195208e8"
@@ -36,9 +35,9 @@ def upgrade():
                 break
 
         if constraint_name:
-            try:
+            try:  # noqa: SIM105
                 batch_op.drop_constraint(constraint_name, type_="foreignkey")
-            except: # noqa E722
+            except:  # noqa E722
                 pass
 
         batch_op.create_foreign_key(
@@ -49,9 +48,9 @@ def upgrade():
 def downgrade():
     """Downgrade schema."""
     with op.batch_alter_table("tasks", schema=None) as batch_op:
-        try:
+        try:  # noqa: SIM105
             batch_op.drop_constraint("fk_tasks_user_id_users", type_="foreignkey")
-        except: # noqa E722
+        except:  # noqa E722
             pass
 
         batch_op.create_foreign_key(
diff --git a/src/migrations/versions/2025_08_06_2354-4b0f3ea2fd26_fix_duplicate_foreign_keys.py b/src/migrations/versions/2025_08_06_2354-4b0f3ea2fd26_fix_duplicate_foreign_keys.py
index 9398bcd..6bb4d15 100644
--- a/src/migrations/versions/2025_08_06_2354-4b0f3ea2fd26_fix_duplicate_foreign_keys.py
+++ b/src/migrations/versions/2025_08_06_2354-4b0f3ea2fd26_fix_duplicate_foreign_keys.py
@@ -6,11 +6,10 @@ Create Date: 2025-08-06 23:54:24.308488
 
 """
 
-from typing import Sequence, Union
+from typing import Sequence, Union  # noqa: UP035
 
-from alembic import op
 import sqlalchemy as sa
-
+from alembic import op
 
 # revision identifiers, used by Alembic.
 revision: str = "4b0f3ea2fd26"
@@ -31,9 +30,9 @@ def upgrade():
 
         for fk in foreign_keys:
             if "user_id" in fk["constrained_columns"]:
-                try:
+                try:  # noqa: SIM105
                     batch_op.drop_constraint(fk["name"], type_="foreignkey")
-                except: # noqa E722
+                except:  # noqa E722
                     pass
 
         batch_op.create_foreign_key(
@@ -44,9 +43,9 @@ def upgrade():
 def downgrade():
     """Downgrade schema."""
     with op.batch_alter_table("tasks", schema=None) as batch_op:
-        try:
+        try:  # noqa: SIM105
             batch_op.drop_constraint("fk_tasks_user_id_users", type_="foreignkey")
-        except: # noqa E722
+        except:  # noqa E722
             pass
         batch_op.create_foreign_key(
             "fk_tasks_user_id_users", "users", ["user_id"], ["id"]
diff --git a/src/models/__init__.py b/src/models/__init__.py
index d1a9da9..e4c877d 100644
--- a/src/models/__init__.py
+++ b/src/models/__init__.py
@@ -1,5 +1,5 @@
-from src.models.users import UsersORM
 from src.models.tasks import TasksORM
+from src.models.users import UsersORM
 
 __all__ = [
     "UsersORM",
diff --git a/src/models/tasks.py b/src/models/tasks.py
index fb82743..10bdcde 100644
--- a/src/models/tasks.py
+++ b/src/models/tasks.py
@@ -1,7 +1,7 @@
 from datetime import date
-from typing import Optional, TYPE_CHECKING
+from typing import TYPE_CHECKING, Optional
 
-from sqlalchemy import ForeignKey, Text, Date, Enum, String
+from sqlalchemy import Date, Enum, ForeignKey, String, Text
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from src.core.database import Base
diff --git a/src/models/users.py b/src/models/users.py
index 407c29b..80d149d 100644
--- a/src/models/users.py
+++ b/src/models/users.py
@@ -1,6 +1,6 @@
-from typing import Optional, TYPE_CHECKING
+from typing import TYPE_CHECKING, Optional
 
-from sqlalchemy import String, BigInteger, Integer, Boolean
+from sqlalchemy import BigInteger, Boolean, Integer, String
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from src.core.database import Base
diff --git a/src/repository/tasks.py b/src/repository/tasks.py
index 4709aaa..9925ab1 100644
--- a/src/repository/tasks.py
+++ b/src/repository/tasks.py
@@ -1,5 +1,6 @@
-from src.repository.base import BaseRepo
 from src.models.tasks import TasksORM
+from src.repository.base import BaseRepo
+
 
 class TasksRepo(BaseRepo):
     model = TasksORM
diff --git a/src/schemas/users.py b/src/schemas/users.py
index 454592b..15e3dd6 100644
--- a/src/schemas/users.py
+++ b/src/schemas/users.py
@@ -1,6 +1,6 @@
 from typing import Annotated
 
-from pydantic import BaseModel, EmailStr, ConfigDict, BeforeValidator
+from pydantic import BaseModel, BeforeValidator, ConfigDict, EmailStr
 
 from src.schemas.validators import ensure_password
 
diff --git a/src/services/auth.py b/src/services/auth.py
index 5e805dc..5077ade 100644
--- a/src/services/auth.py
+++ b/src/services/auth.py
@@ -1,9 +1,10 @@
 from fastapi import HTTPException
 
-from src.schemas.auth import Token
-from src.schemas.users import UserRequestADD, User, UserAdd, UserWithHashedPass
-from src.services.base import BaseService
 from src.core.auth_manager import AuthManager
+from src.core.settings import settings
+from src.schemas.auth import Token
+from src.schemas.users import User, UserAdd, UserRequestADD, UserWithHashedPass
+from src.services.base import BaseService
 
 
 class AuthService(BaseService):
@@ -37,4 +38,6 @@ class AuthService(BaseService):
         access_token = AuthManager.create_access_token(
             data={"id": user.id, "sub": user.username, "is_active": user.is_active}
         )
-        return Token(access_token=access_token, token_type="bearer")
+        return Token(
+            access_token=access_token, token_type=settings.access_token.token_type
+        )
diff --git a/src/services/tasks.py b/src/services/tasks.py
index 5d19bf9..4a7c51d 100644
--- a/src/services/tasks.py
+++ b/src/services/tasks.py
@@ -1,4 +1,4 @@
-from services.base import BaseService
+from src.services.base import BaseService
 
 
 class TasksService(BaseService): ...