diff --git a/backend/prisma/prisma.service.ts b/backend/prisma/prisma.service.ts
new file mode 100644
index 0000000..edf6532
--- /dev/null
+++ b/backend/prisma/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();
+    });
+  }
+}
diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 7d2c8ef..98d2bed 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -4,7 +4,7 @@ import { AuthModule } from './auth/auth.module';
 import { ConfigModule } from '@nestjs/config';
 import { GraphQLISODateTime, GraphQLModule } from '@nestjs/graphql';
 import { ApolloDriver, ApolloDriverConfig } from '@nestjs/apollo';
-import { ApolloServerPluginLandingPageLocalDefault } from 'apollo-server-core';
+// import { ApolloServerPluginLandingPageLocalDefault } from 'apollo-server-core';
 import { UsersModule } from './users/users.module';
 
 @Module({
diff --git a/backend/src/graphql/graphql.typings.ts b/backend/src/graphql/graphql.typings.ts
index a1ba133..444a8c3 100644
--- a/backend/src/graphql/graphql.typings.ts
+++ b/backend/src/graphql/graphql.typings.ts
@@ -20,15 +20,15 @@ export class User {
 }
 
 export abstract class IQuery {
-    abstract users(): Nullable<User>[] | Promise<Nullable<User>[]>;
+    abstract users(): Nullable<Nullable<User>[]> | Promise<Nullable<Nullable<User>[]>>;
 
-    abstract user(id: number): Nullable<User> | Promise<Nullable<User>>;
+    abstract user(id: string): Nullable<User> | Promise<Nullable<User>>;
 }
 
 export abstract class IMutation {
     abstract createUser(createUserInput: CreateUserInput): User | Promise<User>;
 
-    abstract removeUser(id: number): Nullable<User> | Promise<Nullable<User>>;
+    abstract removeUser(id: string): Nullable<User> | Promise<Nullable<User>>;
 }
 
 export type DateTime = any;
diff --git a/backend/src/main.ts b/backend/src/main.ts
index 7275f42..b9d0211 100644
--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -2,6 +2,7 @@ import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 import supertokens from 'supertokens-node';
 import { SupertokensExceptionFilter } from './auth/filters/auth.filter';
+import { PrismaService } from 'prisma/prisma.service';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
@@ -11,6 +12,8 @@ async function bootstrap() {
     credentials: true,
   });
   app.useGlobalFilters(new SupertokensExceptionFilter());
+  const prismaService = app.get(PrismaService);
+  await prismaService.enableShutdownHooks(app);
 
   await app.listen(process.env.APP_PORT);
 }
diff --git a/backend/src/users/dto/create-user.input.ts b/backend/src/users/dto/create-user.input.ts
deleted file mode 100644
index 0ba7c8d..0000000
--- a/backend/src/users/dto/create-user.input.ts
+++ /dev/null
@@ -1 +0,0 @@
-export class CreateUserInput {}
diff --git a/backend/src/users/dto/update-user.input.ts b/backend/src/users/dto/update-user.input.ts
deleted file mode 100644
index 0a62da2..0000000
--- a/backend/src/users/dto/update-user.input.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { CreateUserInput } from './create-user.input';
-import { PartialType } from '@nestjs/mapped-types';
-
-export class UpdateUserInput extends PartialType(CreateUserInput) {
-  id: number;
-}
diff --git a/backend/src/users/entities/user.entity.ts b/backend/src/users/entities/user.entity.ts
deleted file mode 100644
index 4f82c14..0000000
--- a/backend/src/users/entities/user.entity.ts
+++ /dev/null
@@ -1 +0,0 @@
-export class User {}
diff --git a/backend/src/users/users.graphql b/backend/src/users/users.graphql
index d109cf8..7009717 100644
--- a/backend/src/users/users.graphql
+++ b/backend/src/users/users.graphql
@@ -12,16 +12,16 @@ input CreateUserInput {
 }
 
 # input UpdateUserInput {
-#   id: Int!
+#   id: String!
 # }
 
 type Query {
-  users: [User]!
-  user(id: Int!): User
+  users: [User]
+  user(id: String!): User
 }
 
 type Mutation {
   createUser(createUserInput: CreateUserInput!): User!
   # updateUser(updateUserInput: UpdateUserInput!): User!
-  removeUser(id: Int!): User
+  removeUser(id: String!): User
 }
diff --git a/backend/src/users/users.module.ts b/backend/src/users/users.module.ts
index f4fbedb..1e30d3d 100644
--- a/backend/src/users/users.module.ts
+++ b/backend/src/users/users.module.ts
@@ -1,8 +1,9 @@
 import { Module } from '@nestjs/common';
 import { UsersService } from './users.service';
 import { UsersResolver } from './users.resolver';
+import { PrismaService } from 'prisma/prisma.service';
 
 @Module({
-  providers: [UsersResolver, UsersService]
+  providers: [PrismaService, UsersResolver, UsersService],
 })
 export class UsersModule {}
diff --git a/backend/src/users/users.resolver.ts b/backend/src/users/users.resolver.ts
index de3594a..2b28db7 100644
--- a/backend/src/users/users.resolver.ts
+++ b/backend/src/users/users.resolver.ts
@@ -1,25 +1,23 @@
 import { Resolver, Query, Mutation, Args } from '@nestjs/graphql';
+import { CreateUserInput } from 'src/graphql/graphql.typings';
 import { UsersService } from './users.service';
-import { CreateUserInput } from './dto/create-user.input';
-import { UpdateUserInput } from './dto/update-user.input';
 
 @Resolver('User')
 export class UsersResolver {
   constructor(private readonly usersService: UsersService) {}
 
   @Mutation('createUser')
-  create(@Args('createUserInput') createUserInput: CreateUserInput) {
-    return this.usersService.create(createUserInput);
-  }
-
+  // create(@Args('createUserInput') createUserInput: CreateUserInput) {
+  //   return this.usersService.create(createUserInput);
+  // }
   @Query('users')
   findAll() {
-    return this.usersService.findAll();
+    return this.usersService.users({});
   }
 
   @Query('user')
-  findOne(@Args('id') id: number) {
-    return this.usersService.findOne(id);
+  findOne(@Args('id') id: string) {
+    return this.usersService.user({ id });
   }
 
   // @Mutation('updateUser')
@@ -27,8 +25,8 @@ export class UsersResolver {
   //   return this.usersService.update(updateUserInput.id, updateUserInput);
   // }
 
-  @Mutation('removeUser')
-  remove(@Args('id') id: number) {
-    return this.usersService.remove(id);
-  }
+  // @Mutation('removeUser')
+  // remove(@Args('id') id: string) {
+  //   return this.usersService.remove(id);
+  // }
 }
diff --git a/backend/src/users/users.service.ts b/backend/src/users/users.service.ts
index 0cdbfd0..cfa6cf6 100644
--- a/backend/src/users/users.service.ts
+++ b/backend/src/users/users.service.ts
@@ -1,26 +1,43 @@
 import { Injectable } from '@nestjs/common';
-import { CreateUserInput } from './dto/create-user.input';
-import { UpdateUserInput } from './dto/update-user.input';
+import { CreateUserInput } from 'src/graphql/graphql.typings';
+import { Prisma, User } from '@prisma/client';
+import { PrismaService } from 'prisma/prisma.service';
 
 @Injectable()
 export class UsersService {
-  create(createUserInput: CreateUserInput) {
-    return 'This action adds a new user';
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async user(uniqueInput: Prisma.UserWhereUniqueInput) {
+    return await this.prismaService.user.findUnique({ where: uniqueInput });
   }
 
-  findAll() {
-    return `This action returns all users`;
+  async users(params: {
+    skip?: number;
+    take?: number;
+    cursor?: Prisma.UserWhereUniqueInput;
+    where?: Prisma.UserWhereInput;
+    orderBy?: Prisma.UserOrderByWithRelationInput;
+  }) {
+    return await this.prismaService.user.findMany(params);
   }
 
-  findOne(id: number) {
-    return `This action returns a #${id} user`;
-  }
+  // create(createUserInput: CreateUserInput) {
+  //   return 'This action adds a new user';
+  // }
 
-  // update(id: number, updateUserInput: UpdateUserInput) {
+  // findAll() {
+  //   return `This action returns all users`;
+  // }
+
+  // findOne(id: string) {
+  //   return `This action returns a #${id} user`;
+  // }
+
+  // update(id: string, updateUserInput: UpdateUserInput) {
   //   return `This action updates a #${id} user`;
   // }
 
-  remove(id: number) {
-    return `This action removes a #${id} user`;
-  }
+  // remove(id: string) {
+  //   return `This action removes a #${id} user`;
+  // }
 }