diff --git a/service/__init__.py b/app/__init__.py
similarity index 100%
rename from service/__init__.py
rename to app/__init__.py
diff --git a/app/controllers/__init__.py b/app/controllers/__init__.py
new file mode 100644
index 0000000..f531200
--- /dev/null
+++ b/app/controllers/__init__.py
@@ -0,0 +1,15 @@
+from litestar import Router
+
+from app.domain.machine import Machine
+
+from . import machines
+
+__all__ = ["create_router"]
+
+
+def create_router() -> Router:
+    return Router(
+        path="/v1",
+        route_handlers=[machines.MachineController,],
+        signature_namespace={"Machine": Machine,},
+    )
diff --git a/app/controllers/machines.py b/app/controllers/machines.py
new file mode 100644
index 0000000..51d082a
--- /dev/null
+++ b/app/controllers/machines.py
@@ -0,0 +1,113 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Optional, cast
+
+from litestar import Controller, delete, get, post, put
+from litestar.di import Provide
+from litestar.pagination import (
+    AbstractAsyncOffsetPaginator,
+    AbstractSyncClassicPaginator,
+)
+from litestar.status_codes import HTTP_200_OK
+from sqlalchemy import ScalarResult, func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.machine import MachineReadDTO, MachineWriteDTO, Repository, Service
+from app.domain.machine import Machine
+
+from litestar.contrib.repository.filters import SearchFilter, LimitOffset
+
+if TYPE_CHECKING:
+    from sqlalchemy.ext.asyncio import AsyncSession
+
+
+
+DETAIL_ROUTE = "/{machine_id:int}"
+
+
+def provides_service(db_session: AsyncSession) -> Service:
+    """Constructs repository and service objects for the request."""
+    return Service(Repository(session=db_session))
+
+
+# class MachineOffsetPaginator(AbstractAsyncOffsetPaginator[Machine]):
+#     def __init__(
+#         self, async_session: AsyncSession
+#     ) -> None:  # 'async_session' dependency will be injected here.
+#         self.async_session = async_session
+#
+#     async def get_total(self) -> int:
+#         return cast(
+#             "int", await self.async_session.scalar(select(func.count(Machine.id)))
+#         )
+#
+#     async def get_items(self, limit: int, offset: int) -> list[Machine]:
+#         people: ScalarResult = await self.async_session.scalars(
+#             select(Machine).slice(offset, limit)
+#         )
+#         return list(people.all())
+
+
+class MachineController(Controller):
+    dto = MachineWriteDTO
+    return_dto = MachineReadDTO
+    path = "/machines"
+    dependencies = {
+        "service": Provide(provides_service, sync_to_thread=False),
+    }
+    tags = ["Machines"]
+
+    @get()
+    async def get_machines(
+        self, service: Service,
+        search: Optional[str] = None,
+    ) -> list[Machine]:
+        """Get a list of authors."""
+
+        print("#" * 100)
+        print(search)
+        print("#" * 100)
+
+        filters = [
+            LimitOffset(
+                limit=20,
+                offset=0
+            ),
+        ]
+
+        if search:
+            filters.append(
+                SearchFilter(
+                    field_name="caption",
+                    value=search,
+                ),
+            )
+
+        return await service.list(*filters)
+
+    # @get()
+    # async def get_machines(
+    #     self, service: Service, filters: list[FilterTypes]
+    # ) -> list[Machine]:
+    #     """Get a list of authors."""
+    #     return await service.list(*filters)
+
+    # @post()
+    # async def create_author(self, data: Machine, service: Service) -> Machine:
+    #     return await service.create(data)
+    #
+    @get(DETAIL_ROUTE)
+    async def get_machine(self, service: Service, machine_id: int) -> Machine:
+        return await service.get(machine_id)
+    #
+    # @put(DETAIL_ROUTE)
+    # async def update_author(
+    #     self, data: Machine, service: Service, author_id: UUID
+    # ) -> Machine:
+    #     """Update an author."""
+    #     return await service.update(author_id, data)
+    #
+    # @delete(DETAIL_ROUTE, status_code=HTTP_200_OK)
+    # async def delete_author(self, service: Service, author_id: UUID) -> Machine:
+    #     """Delete Author by ID."""
+    #     return await service.delete(author_id)
diff --git a/app/database.py b/app/database.py
new file mode 100644
index 0000000..fe985d0
--- /dev/null
+++ b/app/database.py
@@ -0,0 +1,36 @@
+from typing import AsyncGenerator
+
+from litestar.contrib.sqlalchemy.plugins import SQLAlchemyAsyncConfig
+from litestar.exceptions import ClientException
+from litestar.status_codes import HTTP_409_CONFLICT
+from sqlalchemy import URL
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+
+async def provide_transaction(
+    db_session: AsyncSession,
+) -> AsyncGenerator[AsyncSession, None]:
+    try:
+        async with db_session.begin():
+            yield db_session
+    except IntegrityError as exc:
+        raise ClientException(
+            status_code=HTTP_409_CONFLICT,
+            detail=str(exc),
+        ) from exc
+
+
+sessionmaker = async_sessionmaker(expire_on_commit=False)
+
+db_connection_string = URL.create(
+    drivername="postgresql+asyncpg",
+    username="televend",
+    password="televend",
+    host="localhost",
+    port=5433,
+    database="televend",
+)
+db_config = SQLAlchemyAsyncConfig(
+    connection_string=db_connection_string.render_as_string(hide_password=False)
+)
diff --git a/service/dto/__init__.py b/app/domain/__init__.py
similarity index 100%
rename from service/dto/__init__.py
rename to app/domain/__init__.py
diff --git a/app/domain/machine.py b/app/domain/machine.py
new file mode 100644
index 0000000..c75b5aa
--- /dev/null
+++ b/app/domain/machine.py
@@ -0,0 +1,27 @@
+from typing import Annotated
+
+from litestar.contrib.sqlalchemy.base import BigIntBase
+from litestar.contrib.sqlalchemy.dto import SQLAlchemyDTO
+from litestar.contrib.sqlalchemy.repository import SQLAlchemyAsyncRepository
+from litestar.dto import DTOConfig
+from sqlalchemy.orm import Mapped
+
+from app.lib import service
+
+
+class Machine(BigIntBase):
+    __tablename__ = "machines"
+    caption: Mapped[str]
+
+
+class Repository(SQLAlchemyAsyncRepository[Machine]):
+    model_type = Machine
+
+class Service(service.Service[Machine]):
+    repository_type = Repository
+
+
+# write_config = DTOConfig(exclude={"created_at", "updated_at", "nationality"})
+write_config = DTOConfig()
+MachineWriteDTO = SQLAlchemyDTO[Annotated[Machine, write_config]]
+MachineReadDTO = SQLAlchemyDTO[Machine]
diff --git a/service/orm/__init__.py b/app/dto/__init__.py
similarity index 100%
rename from service/orm/__init__.py
rename to app/dto/__init__.py
diff --git a/app/lib/__init__.py b/app/lib/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/lib/dependencies.py b/app/lib/dependencies.py
new file mode 100644
index 0000000..36f4df2
--- /dev/null
+++ b/app/lib/dependencies.py
@@ -0,0 +1,150 @@
+from datetime import datetime
+from uuid import UUID
+
+from litestar.contrib.repository.filters import BeforeAfter, CollectionFilter, FilterTypes, LimitOffset
+from litestar.di import Provide
+from litestar.params import Dependency, Parameter
+
+DEFAULT_PAGINATION_LIMIT = 20
+
+__all__ = [
+    "create_collection_dependencies",
+    "provide_created_filter",
+    "provide_filter_dependencies",
+    "provide_id_filter",
+    "provide_limit_offset_pagination",
+    "provide_updated_filter",
+]
+
+
+DTorNone = datetime | None
+
+CREATED_FILTER_DEPENDENCY_KEY = "created_filter"
+FILTERS_DEPENDENCY_KEY = "filters"
+ID_FILTER_DEPENDENCY_KEY = "id_filter"
+LIMIT_OFFSET_DEPENDENCY_KEY = "limit_offset"
+UPDATED_FILTER_DEPENDENCY_KEY = "updated_filter"
+
+
+def provide_id_filter(
+    ids: list[UUID] | None = Parameter(query="ids", default=None, required=False)
+) -> CollectionFilter[UUID]:
+    """Return type consumed by ``Repository.filter_in_collection()``.
+
+    Parameters
+    ----------
+    ids : list[UUID] | None
+        Parsed out of comma separated list of values in query params.
+
+    Returns:
+    -------
+    CollectionFilter[UUID]
+    """
+    return CollectionFilter(field_name="id", values=ids or [])
+
+
+def provide_created_filter(
+    before: DTorNone = Parameter(query="created-before", default=None, required=False),
+    after: DTorNone = Parameter(query="created-after", default=None, required=False),
+) -> BeforeAfter:
+    """Return type consumed by `Repository.filter_on_datetime_field()`.
+
+    Parameters
+    ----------
+    before : datetime | None
+        Filter for records updated before this date/time.
+    after : datetime | None
+        Filter for records updated after this date/time.
+    """
+    return BeforeAfter("created_at", before, after)
+
+
+def provide_updated_filter(
+    before: DTorNone = Parameter(query="updated-before", default=None, required=False),
+    after: DTorNone = Parameter(query="updated-after", default=None, required=False),
+) -> BeforeAfter:
+    """Return type consumed by `Repository.filter_on_datetime_field()`.
+    Parameters
+    ----------
+    before : datetime | None
+        Filter for records updated before this date/time.
+    after : datetime | None
+        Filter for records updated after this date/time.
+    """
+    return BeforeAfter("updated_at", before, after)
+
+
+def provide_limit_offset_pagination(
+    page: int = Parameter(ge=1, default=1, required=False),
+    page_size: int = Parameter(
+        query="page-size",
+        ge=1,
+        default=DEFAULT_PAGINATION_LIMIT,
+        required=False,
+    ),
+) -> LimitOffset:
+    """Return type consumed by `Repository.apply_limit_offset_pagination()`.
+    Parameters
+    ----------
+    page : int
+        LIMIT to apply to select.
+    page_size : int
+        OFFSET to apply to select.
+    """
+    return LimitOffset(page_size, page_size * (page - 1))
+
+
+def provide_filter_dependencies(
+    created_filter: BeforeAfter = Dependency(skip_validation=True),
+    updated_filter: BeforeAfter = Dependency(skip_validation=True),
+    id_filter: CollectionFilter = Dependency(skip_validation=True),
+    limit_offset: LimitOffset = Dependency(skip_validation=True),
+) -> list[FilterTypes]:
+    """Common collection route filtering dependencies. Add all filters to any
+    route by including this function as a dependency, e.g:
+
+        @get
+        def get_collection_handler(filters: Filters) -> ...:
+            ...
+    The dependency is provided at the application layer, so only need to inject the dependency where
+    necessary.
+
+    Parameters
+    ----------
+    id_filter : repository.CollectionFilter
+        Filter for scoping query to limited set of identities.
+    created_filter : repository.BeforeAfter
+        Filter for scoping query to instance creation date/time.
+    updated_filter : repository.BeforeAfter
+        Filter for scoping query to instance update date/time.
+    limit_offset : repository.LimitOffset
+        Filter for query pagination.
+
+    Returns:
+    -------
+    list[FilterTypes]
+        List of filters parsed from connection.
+    """
+    return [
+        created_filter,
+        id_filter,
+        limit_offset,
+        updated_filter,
+    ]
+
+
+def create_collection_dependencies() -> dict[str, Provide]:
+    """Creates a dictionary of provides for pagination endpoints.
+
+    Returns:
+    -------
+    dict[str, Provide]
+
+    """
+    return {
+        LIMIT_OFFSET_DEPENDENCY_KEY: Provide(provide_limit_offset_pagination, sync_to_thread=False),
+        UPDATED_FILTER_DEPENDENCY_KEY: Provide(provide_updated_filter, sync_to_thread=False),
+        CREATED_FILTER_DEPENDENCY_KEY: Provide(provide_created_filter, sync_to_thread=False),
+        ID_FILTER_DEPENDENCY_KEY: Provide(provide_id_filter, sync_to_thread=False),
+        FILTERS_DEPENDENCY_KEY: Provide(provide_filter_dependencies, sync_to_thread=False),
+    }
diff --git a/app/lib/exceptions.py b/app/lib/exceptions.py
new file mode 100644
index 0000000..6b4a670
--- /dev/null
+++ b/app/lib/exceptions.py
@@ -0,0 +1,68 @@
+import logging
+from typing import TYPE_CHECKING
+
+from litestar.contrib.repository.exceptions import (
+    ConflictError as RepositoryConflictException,
+)
+from litestar.contrib.repository.exceptions import (
+    NotFoundError as RepositoryNotFoundException,
+)
+from litestar.contrib.repository.exceptions import (
+    RepositoryError as RepositoryException,
+)
+from litestar.exceptions import (
+    HTTPException,
+    InternalServerException,
+    NotFoundException,
+)
+from litestar.middleware.exceptions.middleware import create_exception_response
+
+from .service import ServiceError
+
+if TYPE_CHECKING:
+    from litestar.connection import Request
+    from litestar.response import Response
+
+__all__ = [
+    "repository_exception_to_http_response",
+    "service_exception_to_http_response",
+]
+
+logger = logging.getLogger(__name__)
+
+
+class ConflictException(HTTPException):
+    status_code = 409
+
+
+def repository_exception_to_http_response(request: "Request", exc: RepositoryException) -> "Response":
+    """Transform repository exceptions to HTTP exceptions.
+
+    Args:
+        _: The request that experienced the exception.
+        exc: Exception raised during handling of the request.
+
+    Returns:
+        Exception response appropriate to the type of original exception.
+    """
+    http_exc: type[HTTPException]
+    if isinstance(exc, RepositoryNotFoundException):
+        http_exc = NotFoundException
+    elif isinstance(exc, RepositoryConflictException):
+        http_exc = ConflictException
+    else:
+        http_exc = InternalServerException
+    return create_exception_response(request, exc=http_exc())
+
+
+def service_exception_to_http_response(request: "Request", exc: ServiceError) -> "Response":
+    """Transform service exceptions to HTTP exceptions.
+
+    Args:
+        _: The request that experienced the exception.
+        exc: Exception raised during handling of the request.
+
+    Returns:
+        Exception response appropriate to the type of original exception.
+    """
+    return create_exception_response(request, InternalServerException())
diff --git a/app/lib/service.py b/app/lib/service.py
new file mode 100644
index 0000000..f47e5a2
--- /dev/null
+++ b/app/lib/service.py
@@ -0,0 +1,95 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Generic
+
+from litestar.contrib.sqlalchemy.repository import ModelT
+
+__all__ = ["Service", "ServiceError"]
+
+
+if TYPE_CHECKING:
+    from litestar.contrib.repository import AbstractAsyncRepository, FilterTypes
+
+
+class ServiceError(Exception):
+    """Base class for `Service` related exceptions."""
+
+
+class Service(Generic[ModelT]):
+    def __init__(self, repository: AbstractAsyncRepository[ModelT]) -> None:
+        """Generic Service object.
+
+        Args:
+            repository: Instance conforming to `AbstractRepository` interface.
+        """
+        self.repository = repository
+
+    async def create(self, data: ModelT) -> ModelT:
+        """Wraps repository instance creation.
+
+        Args:
+            data: Representation to be created.
+
+        Returns:
+            Representation of created instance.
+        """
+        return await self.repository.add(data)
+
+    async def list(self, *filters: FilterTypes, **kwargs: Any) -> list[ModelT]:
+        """Wraps repository scalars operation.
+
+        Args:
+            *filters: Collection route filters.
+            **kwargs: Keyword arguments for attribute based filtering.
+
+        Returns:
+            The list of instances retrieved from the repository.
+        """
+        return await self.repository.list(*filters, **kwargs)
+
+    async def update(self, id_: Any, data: ModelT) -> ModelT:
+        """Wraps repository update operation.
+
+        Args:
+            id_: Identifier of item to be updated.
+            data: Representation to be updated.
+
+        Returns:
+            Updated representation.
+        """
+        return await self.repository.update(data)
+
+    async def upsert(self, id_: Any, data: ModelT) -> ModelT:
+        """Wraps repository upsert operation.
+
+        Args:
+            id_: Identifier of the object for upsert.
+            data: Representation for upsert.
+
+        Returns:
+        -------
+            Updated or created representation.
+        """
+        return await self.repository.upsert(data)
+
+    async def get(self, id_: Any) -> ModelT:
+        """Wraps repository scalar operation.
+
+        Args:
+            id_: Identifier of instance to be retrieved.
+
+        Returns:
+            Representation of instance with identifier `id_`.
+        """
+        return await self.repository.get(id_)
+
+    async def delete(self, id_: Any) -> ModelT:
+        """Wraps repository delete operation.
+
+        Args:
+            id_: Identifier of instance to be deleted.
+
+        Returns:
+            Representation of the deleted instance.
+        """
+        return await self.repository.delete(id_)
diff --git a/main.py b/main.py
index ff818b2..155e1ab 100644
--- a/main.py
+++ b/main.py
@@ -1,18 +1,28 @@
-from typing import Any, AsyncGenerator
+from uuid import UUID
 
 from litestar import Litestar, get
-from litestar.contrib.sqlalchemy.plugins import SQLAlchemyAsyncConfig, SQLAlchemyPlugin
-from litestar.exceptions import ClientException
+from litestar.contrib.repository import FilterTypes
+from litestar.contrib.repository.exceptions import (
+    RepositoryError as RepositoryException,
+)
+from litestar.contrib.repository.filters import (
+    BeforeAfter,
+    CollectionFilter,
+    LimitOffset,
+    NotInCollectionFilter,
+    NotInSearchFilter,
+    OnBeforeAfter,
+    OrderBy,
+    SearchFilter,
+)
+from litestar.contrib.sqlalchemy.plugins import SQLAlchemyPlugin
 from litestar.openapi import OpenAPIConfig
-from litestar.status_codes import HTTP_409_CONFLICT
-from sqlalchemy import select
-from sqlalchemy.engine import URL
-from sqlalchemy.exc import IntegrityError
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+from sqlalchemy.ext.asyncio import AsyncSession
 
-from service.orm.machine import MachineORM
-
-sessionmaker = async_sessionmaker(expire_on_commit=False)
+from app.controllers import create_router
+from app.database import db_config, provide_transaction
+from app.lib import exceptions
+from app.lib.service import ServiceError
 
 
 @get("/")
@@ -20,56 +30,27 @@ async def hello_world() -> str:
     return "Hello, world!"
 
 
-async def get_machine_list(session: AsyncSession) -> list[MachineORM]:
-    query = select(MachineORM)
-    # if done is not None:
-    #     query = query.where(MachineORM.done.is_(done))
-
-    result = await session.execute(query)
-    return result.scalars().all()
-
-
-def serialize_todo(machine: MachineORM) -> dict[str, Any]:
-    return {"id": machine.id, "caption": machine.caption}
-
-
-@get("/machines")
-async def get_machines(transaction: AsyncSession) -> list[dict[str, Any]]:
-    return [serialize_todo(todo) for todo in await get_machine_list(transaction)]
-
-
-async def provide_transaction(
-    db_session: AsyncSession,
-) -> AsyncGenerator[AsyncSession, None]:
-    print("AAAAAAAAAAAAAAAAAA")
-    try:
-        async with db_session.begin():
-            yield db_session
-    except IntegrityError as exc:
-        raise ClientException(
-            status_code=HTTP_409_CONFLICT,
-            detail=str(exc),
-        ) from exc
-
-
-db_connection_string = URL.create(
-    drivername="postgresql+asyncpg",
-    username="televend",
-    password="televend",
-    host="localhost",
-    port=5433,
-    database="televend",
-)
-
-db_config = SQLAlchemyAsyncConfig(
-    connection_string=db_connection_string.render_as_string(hide_password=False)
-)
-
-
 app = Litestar(
-    route_handlers=[hello_world, get_machines],
+    route_handlers=[hello_world, create_router()],
     openapi_config=OpenAPIConfig(title="My API", version="1.0.0"),
-    dependencies={"transaction": provide_transaction},
+    dependencies={"session": provide_transaction},
     plugins=[SQLAlchemyPlugin(db_config)],
+    exception_handlers={
+        RepositoryException: exceptions.repository_exception_to_http_response,  # type: ignore[dict-item]
+        ServiceError: exceptions.service_exception_to_http_response,  # type: ignore[dict-item]
+    },
+    signature_namespace={
+        "AsyncSession": AsyncSession,
+        "FilterTypes": FilterTypes,
+        "BeforeAfter": BeforeAfter,
+        "CollectionFilter": CollectionFilter,
+        "LimitOffset": LimitOffset,
+        "UUID": UUID,
+        "OrderBy": OrderBy,
+        "SearchFilter": SearchFilter,
+        "OnBeforeAfter": OnBeforeAfter,
+        "NotInSearchFilter": NotInSearchFilter,
+        "NotInCollectionFilter": NotInCollectionFilter,
+    },
     debug=True,
 )
diff --git a/poetry.lock b/poetry.lock
index bd6ede5..c9e5fd2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -479,6 +479,58 @@ msgspec = ["msgspec"]
 odmantic = ["odmantic", "pydantic[email]"]
 pydantic = ["pydantic[email]"]
 
+[[package]]
+name = "pydantic"
+version = "1.10.12"
+description = "Data validation and settings management using python type hints"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "pydantic-1.10.12-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:a1fcb59f2f355ec350073af41d927bf83a63b50e640f4dbaa01053a28b7a7718"},
+    {file = "pydantic-1.10.12-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:b7ccf02d7eb340b216ec33e53a3a629856afe1c6e0ef91d84a4e6f2fb2ca70fe"},
+    {file = "pydantic-1.10.12-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:8fb2aa3ab3728d950bcc885a2e9eff6c8fc40bc0b7bb434e555c215491bcf48b"},
+    {file = "pydantic-1.10.12-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:771735dc43cf8383959dc9b90aa281f0b6092321ca98677c5fb6125a6f56d58d"},
+    {file = "pydantic-1.10.12-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:ca48477862372ac3770969b9d75f1bf66131d386dba79506c46d75e6b48c1e09"},
+    {file = "pydantic-1.10.12-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:a5e7add47a5b5a40c49b3036d464e3c7802f8ae0d1e66035ea16aa5b7a3923ed"},
+    {file = "pydantic-1.10.12-cp310-cp310-win_amd64.whl", hash = "sha256:e4129b528c6baa99a429f97ce733fff478ec955513630e61b49804b6cf9b224a"},
+    {file = "pydantic-1.10.12-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:b0d191db0f92dfcb1dec210ca244fdae5cbe918c6050b342d619c09d31eea0cc"},
+    {file = "pydantic-1.10.12-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:795e34e6cc065f8f498c89b894a3c6da294a936ee71e644e4bd44de048af1405"},
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+    {file = "pydantic-1.10.12.tar.gz", hash = "sha256:0fe8a415cea8f340e7a9af9c54fc71a649b43e8ca3cc732986116b3cb135d303"},
+]
+
+[package.dependencies]
+typing-extensions = ">=4.2.0"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
 [[package]]
 name = "python-dateutil"
 version = "2.8.2"
@@ -708,4 +760,4 @@ anyio = ">=3.0.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "be317fb95d88f3a21ee7f3f9824483d6c5cd20fb36759f608703a87131ec2b8a"
+content-hash = "411f2e851f3c3fdf05d5a8f1c200b8ded6223b8e4bb9b1be00db2f6a28a8dc26"
diff --git a/pyproject.toml b/pyproject.toml
index c408761..290c863 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,6 +12,7 @@ litestar = "^2.0.1"
 uvicorn = "^0.23.2"
 sqlalchemy = "^2.0.20"
 asyncpg = "^0.28.0"
+pydantic = "<2.0"
 
 
 [tool.poetry.group.dev.dependencies]
diff --git a/service/database.py b/service/database.py
deleted file mode 100644
index 1eb871f..0000000
--- a/service/database.py
+++ /dev/null
@@ -1,7 +0,0 @@
-from sqlalchemy.orm import DeclarativeBase
-
-
-class ORMBase(DeclarativeBase):
-    ...
-
-
diff --git a/service/orm/machine.py b/service/orm/machine.py
deleted file mode 100644
index 74ae11f..0000000
--- a/service/orm/machine.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from sqlalchemy.orm import Mapped, mapped_column
-
-from service.database import ORMBase
-
-
-class MachineORM(ORMBase):
-    __tablename__ = "machines"
-
-    id: Mapped[int] = mapped_column(primary_key=True)
-    caption: Mapped[str]