diff --git a/apps/auth/prisma/schema.prisma b/apps/auth/prisma/schema.prisma
new file mode 100644
index 0000000..2baa5df
--- /dev/null
+++ b/apps/auth/prisma/schema.prisma
@@ -0,0 +1,27 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  uuid      String  @id @default(uuid()) @db.Uuid
+  isBlocked Boolean @default(false)
+
+  devices UserDevice[] @relation("userDevice")
+}
+
+model UserDevice {
+  fingerprint Bytes   @id @db.ByteA
+  name        String  @db.VarChar(100)
+  userUuid    String  @db.Uuid
+  isBlocked   Boolean @default(false)
+
+  user User @relation("userDevice", fields: [userUuid], references: [uuid])
+}
diff --git a/apps/auth/src/prisma/error/record-not-found.error.ts b/apps/auth/src/prisma/error/record-not-found.error.ts
new file mode 100644
index 0000000..e1c9cb1
--- /dev/null
+++ b/apps/auth/src/prisma/error/record-not-found.error.ts
@@ -0,0 +1 @@
+export class RecordNotFoundError extends Error {}
diff --git a/apps/auth/src/prisma/interceptor/prisma-error.interceptor.ts b/apps/auth/src/prisma/interceptor/prisma-error.interceptor.ts
new file mode 100644
index 0000000..7ad4b9a
--- /dev/null
+++ b/apps/auth/src/prisma/interceptor/prisma-error.interceptor.ts
@@ -0,0 +1,26 @@
+import {
+  CallHandler,
+  ConflictException,
+  ExecutionContext,
+  Injectable,
+  NestInterceptor,
+  NotFoundException
+} from "@nestjs/common";
+import { catchError, Observable } from "rxjs";
+import { RecordNotFoundError } from "../error/record-not-found.error";
+import { UniqueConstraintFailedError } from "../error/unique-constraint-failed.error";
+
+@Injectable()
+export class PrismaErrorInterceptor implements NestInterceptor {
+  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
+    return next
+      .handle()
+      .pipe(
+        catchError(err => {
+          if (err instanceof RecordNotFoundError) throw new NotFoundException(err.message);
+          if (err instanceof UniqueConstraintFailedError) throw new ConflictException(err.message);
+          throw err;
+        })
+      );
+  }
+}
diff --git a/apps/auth/src/prisma/prisma.module.ts b/apps/auth/src/prisma/prisma.module.ts
new file mode 100644
index 0000000..44400fd
--- /dev/null
+++ b/apps/auth/src/prisma/prisma.module.ts
@@ -0,0 +1,10 @@
+import { Global, Module } from "@nestjs/common";
+import { PrismaService } from "./service/prisma.service";
+
+@Global()
+@Module({
+  providers: [PrismaService],
+  exports: [PrismaService]
+})
+export class PrismaModule {
+}
diff --git a/apps/auth/src/prisma/service/prisma.service.spec.ts b/apps/auth/src/prisma/service/prisma.service.spec.ts
new file mode 100644
index 0000000..a68cb9e
--- /dev/null
+++ b/apps/auth/src/prisma/service/prisma.service.spec.ts
@@ -0,0 +1,18 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { PrismaService } from './prisma.service';
+
+describe('PrismaService', () => {
+  let service: PrismaService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [PrismaService],
+    }).compile();
+
+    service = module.get<PrismaService>(PrismaService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});
diff --git a/apps/auth/src/prisma/service/prisma.service.ts b/apps/auth/src/prisma/service/prisma.service.ts
new file mode 100644
index 0000000..aaa764a
--- /dev/null
+++ b/apps/auth/src/prisma/service/prisma.service.ts
@@ -0,0 +1,15 @@
+import { INestApplication, Injectable, OnModuleInit } from "@nestjs/common";
+import { PrismaClient } from "@prisma/client";
+
+@Injectable()
+export class PrismaService extends PrismaClient implements OnModuleInit {
+  async onModuleInit() {
+    await this.$connect();
+  }
+
+  async enableShutdownHooks(app: INestApplication) {
+    this.$on("beforeExit", async () => {
+      await app.close();
+    });
+  }
+}