diff --git a/Weifer.Database.EF/Entitys/Customer.cs b/Weifer.Database.EF/Entitys/Customer.cs
index e36418c..fda9b33 100644
--- a/Weifer.Database.EF/Entitys/Customer.cs
+++ b/Weifer.Database.EF/Entitys/Customer.cs
@@ -13,6 +13,7 @@ namespace Weifer.Database.EF.Entitys
         public string LastName { get; set; }
         public string Email { get; set; }
         public string PasswordHash { get; set; }
+        public string SessionToken { get; set; }
         public DateTime CreatedOn { get; set; }
         public ICollection<ShoppingList> ShoppingLists { get; set; }
     }
diff --git a/Weifer.Database.EF/Migrations/20240304193908_added_sessiontoken.Designer.cs b/Weifer.Database.EF/Migrations/20240304193908_added_sessiontoken.Designer.cs
new file mode 100644
index 0000000..0fe891d
--- /dev/null
+++ b/Weifer.Database.EF/Migrations/20240304193908_added_sessiontoken.Designer.cs
@@ -0,0 +1,138 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Weifer.Database.EF;
+
+#nullable disable
+
+namespace Weifer.Database.EF.Migrations
+{
+    [DbContext(typeof(DatabaseContext))]
+    [Migration("20240304193908_added_sessiontoken")]
+    partial class added_sessiontoken
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.2")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.Customer", b =>
+                {
+                    b.Property<Guid>("CustomerId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedOn")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("LastName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("CustomerId");
+
+                    b.ToTable("Customers");
+                });
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.ShoppingItem", b =>
+                {
+                    b.Property<Guid>("ShoppingItemId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Number")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Purchased")
+                        .HasColumnType("bit");
+
+                    b.Property<Guid>("ShoppingListId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("ShoppingItemId");
+
+                    b.HasIndex("ShoppingListId");
+
+                    b.ToTable("ShoppingItems");
+                });
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.ShoppingList", b =>
+                {
+                    b.Property<Guid>("ShoppingListId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid>("CustomerId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("ShoppingListName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ShoppingListId");
+
+                    b.HasIndex("CustomerId");
+
+                    b.ToTable("ShoppingLists");
+                });
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.ShoppingItem", b =>
+                {
+                    b.HasOne("Weifer.Database.EF.Entitys.ShoppingList", null)
+                        .WithMany("ShoppingItems")
+                        .HasForeignKey("ShoppingListId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.ShoppingList", b =>
+                {
+                    b.HasOne("Weifer.Database.EF.Entitys.Customer", null)
+                        .WithMany("ShoppingLists")
+                        .HasForeignKey("CustomerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.Customer", b =>
+                {
+                    b.Navigation("ShoppingLists");
+                });
+
+            modelBuilder.Entity("Weifer.Database.EF.Entitys.ShoppingList", b =>
+                {
+                    b.Navigation("ShoppingItems");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Weifer.Database.EF/Migrations/20240304193908_added_sessiontoken.cs b/Weifer.Database.EF/Migrations/20240304193908_added_sessiontoken.cs
new file mode 100644
index 0000000..0b12f3e
--- /dev/null
+++ b/Weifer.Database.EF/Migrations/20240304193908_added_sessiontoken.cs
@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Weifer.Database.EF.Migrations
+{
+    /// <inheritdoc />
+    public partial class added_sessiontoken : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "SessionToken",
+                table: "Customers",
+                type: "nvarchar(max)",
+                nullable: false,
+                defaultValue: "");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "SessionToken",
+                table: "Customers");
+        }
+    }
+}
diff --git a/Weifer.Database.EF/Migrations/DatabaseContextModelSnapshot.cs b/Weifer.Database.EF/Migrations/DatabaseContextModelSnapshot.cs
index 560d3f4..1ec21fb 100644
--- a/Weifer.Database.EF/Migrations/DatabaseContextModelSnapshot.cs
+++ b/Weifer.Database.EF/Migrations/DatabaseContextModelSnapshot.cs
@@ -47,6 +47,10 @@ namespace Weifer.Database.EF.Migrations
                         .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
                     b.HasKey("CustomerId");
 
                     b.ToTable("Customers");
diff --git a/Weifer.Database.EF/Weifer.Database.EF.csproj b/Weifer.Database.EF/Weifer.Database.EF.csproj
index 605c691..0c73042 100644
--- a/Weifer.Database.EF/Weifer.Database.EF.csproj
+++ b/Weifer.Database.EF/Weifer.Database.EF.csproj
@@ -4,6 +4,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Weifer.ShoppingApp.API/RestApi/AuthenticationApiController.cs b/Weifer.ShoppingApp.API/RestApi/AuthenticationApiController.cs
index 1ef5f6e..bc32979 100644
--- a/Weifer.ShoppingApp.API/RestApi/AuthenticationApiController.cs
+++ b/Weifer.ShoppingApp.API/RestApi/AuthenticationApiController.cs
@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Primitives;
 using Weifer.Database.EF;
 using Weifer.ShoppingApp.API.Controllers;
 using Weifer.ShoppingApp.API.Models;
@@ -39,19 +40,39 @@ public class AuthenticationApiController : ControllerBase
         {
             var customer = await dbContext.Customers.Where(cu => cu.Email == credentials.Email).FirstOrDefaultAsync();
             var token = authenticationController.GenerateJwtToken();
+            if (customer != null)
+            {
+              customer.SessionToken = token;
+              await dbContext.SaveChangesAsync();
+            }
             return Ok(new
             {
                 token = token, // Token Information
                 customer = new CustomerDto
-                { // Kundeninformationen
+                {
                     CustomerId = customer.CustomerId,
                     FirstName = customer.FirstName,
                     LastName = customer.LastName,
                     Email = credentials.Email
+                    
                 }
             });
         }
         return Unauthorized();
     }
+    [HttpGet("validateToken")]
+    public async Task<IActionResult> ValidateToken()
+    {
+        
+        var token = HttpContext.Request.Headers["Authorization"].ToString().Replace("Bearer ", "");
+
+        var user = await dbContext.Customers.FirstOrDefaultAsync(x => x.SessionToken == token);
+
+        if (user != null)
+        {
+            return Ok();
+        }
+        return Unauthorized();
+    }
 }
 
diff --git a/Weifer.ShoppingApp.API/Weifer.ShoppingApp.API.csproj b/Weifer.ShoppingApp.API/Weifer.ShoppingApp.API.csproj
index 9ed2ad3..4c0930b 100644
--- a/Weifer.ShoppingApp.API/Weifer.ShoppingApp.API.csproj
+++ b/Weifer.ShoppingApp.API/Weifer.ShoppingApp.API.csproj
@@ -10,10 +10,7 @@
     <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.2" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\Weifer.Database.EF\Weifer.Database.EF.csproj" />
+    <PackageReference Include="Weifer.Database.EF" Version="1.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Weifer.ShoppingApp.API/libman.json b/Weifer.ShoppingApp.API/libman.json
new file mode 100644
index 0000000..ceee271
--- /dev/null
+++ b/Weifer.ShoppingApp.API/libman.json
@@ -0,0 +1,5 @@
+{
+  "version": "1.0",
+  "defaultProvider": "cdnjs",
+  "libraries": []
+}
\ No newline at end of file
diff --git a/Weifer.ShoppingApp.Frontend_/src/app/app.component.ts b/Weifer.ShoppingApp.Frontend_/src/app/app.component.ts
index 70367ee..bb0d69a 100644
--- a/Weifer.ShoppingApp.Frontend_/src/app/app.component.ts
+++ b/Weifer.ShoppingApp.Frontend_/src/app/app.component.ts
@@ -1,4 +1,4 @@
-import { Component, HostBinding } from '@angular/core';
+import { Component, HostBinding, OnInit } from '@angular/core';
 import { AuthService, ScreenService, AppInfoService } from './shared/services';
 
 @Component({
@@ -6,12 +6,15 @@ import { AuthService, ScreenService, AppInfoService } from './shared/services';
   templateUrl: './app.component.html',
   styleUrls: ['./app.component.scss']
 })
-export class AppComponent  {
+export class AppComponent implements OnInit {
   @HostBinding('class') get getClass() {
     return Object.keys(this.screen.sizes).filter(cl => this.screen.sizes[cl]).join(' ');
   }
 
   constructor(private authService: AuthService, private screen: ScreenService, public appInfo: AppInfoService) { }
+    ngOnInit(): void {
+      this.authService.checkAuthenticationStatus();
+    }
 
   isAuthenticated() {
     return this.authService.loggedIn;
diff --git a/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.html b/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.html
index 161dc49..610fa19 100644
--- a/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.html
+++ b/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.html
@@ -15,7 +15,7 @@
         </dxi-item>
 
         <dxi-item dataField="rememberMe" editorType="dxCheckBox"
-                  [editorOptions]="{ text: 'Remember me', elementAttr: { class: 'form-text' } }">
+                  [editorOptions]="{ text: 'Remember me', elementAttr: { class: 'form-text' }, value: remember_me, onValueChanged: rememberMeChanged }">
             <dxo-label [visible]="false"></dxo-label>
         </dxi-item>
 
diff --git a/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.ts b/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.ts
index 8d7e338..3b811c4 100644
--- a/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.ts
+++ b/Weifer.ShoppingApp.Frontend_/src/app/shared/components/login-form/login-form.component.ts
@@ -15,6 +15,7 @@ import { AuthService } from '../../services';
 export class LoginFormComponent {
   loading = false;
   loginCredentials: any = {};
+  remember_me: boolean = false;
 
   constructor(private authService: AuthService, private router: Router) { }
 
@@ -24,7 +25,7 @@ export class LoginFormComponent {
     this.loading = true;
 
     try {
-      const result = await this.authService.logIn(email, password);
+      const result = await this.authService.logIn(email, password, this.remember_me);
       this.loading = false;
       var message = "Success"
       notify({
@@ -49,6 +50,11 @@ export class LoginFormComponent {
     }
   }
 
+  rememberMeChanged = (e: any) => {
+    
+    this.remember_me = e.value;
+    console.log(this.remember_me)
+  }
   onCreateAccountClick = () => {
     this.router.navigate(['/create-account']);
   }
diff --git a/Weifer.ShoppingApp.Frontend_/src/app/shared/services/auth.service.ts b/Weifer.ShoppingApp.Frontend_/src/app/shared/services/auth.service.ts
index 8cc2b85..25bfc9a 100644
--- a/Weifer.ShoppingApp.Frontend_/src/app/shared/services/auth.service.ts
+++ b/Weifer.ShoppingApp.Frontend_/src/app/shared/services/auth.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 import { CanActivate, Router, ActivatedRouteSnapshot } from '@angular/router';
 import { Observable, firstValueFrom, tap } from 'rxjs';
-import { HttpClient } from '@angular/common/http';
+import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { environment } from '../../../environment/environment';
 import { CustomerDto } from '../../types/CustomerDto';
 
@@ -29,9 +29,9 @@ export class AuthService {
     this._lastAuthenticatedPath = value;
   }
 
-  constructor(private router: Router, private http: HttpClient) { }
+  constructor(private router: Router, private http: HttpClient) {}
 
-  async logIn(email: string, password: string): Promise<any> {
+  async logIn(email: string, password: string, rememberMe: boolean = false): Promise<any> {
     
     const result = await firstValueFrom(this.http.post<any>(`${API_URL}/authenticationapi/login`, { email, password }));
     if (result.token) {
@@ -42,12 +42,41 @@ export class AuthService {
         lastName: result.customer.lastName,
         avatarUrl: "https://js.devexpress.com/Demos/WidgetsGallery/JSDemos/images/employees/07.png" 
       };
-      
+      localStorage.setItem('access_token', result.token);
+      // localStorage.setItem('user_data', JSON.stringify(this.user));
     }
-    localStorage.setItem('access_token', result.token);
+    if (rememberMe) {
+      localStorage.setItem('remember_me', 'true');
+    }
+   
     return result;
   }
+  checkAuthenticationStatus(): void {
+    const token = localStorage.getItem('access_token');
+    const rememberMe = localStorage.getItem('remember_me') === 'true';
+    //const userData = localStorage.getItem('user_data');
+    //if (userData) {
+    //  this.user = JSON.parse(userData);
+    //}
+    if (token && rememberMe) {
+      // Erstellen des Headers mit dem Token
+      const headers = new HttpHeaders({
+        'Authorization': token,
+      });
 
+      this.http.get<any>(`${API_URL}/authenticationapi/validateToken`, { headers: headers }).subscribe({
+        next: (response) => {
+          this.router.navigate(['/home']);
+        },
+        error: (err) => {
+          console.error(err);
+          this.logOut(); // Bereinigung im Fehlerfall
+        }
+      });
+    } else {
+      this.logOut(); // Bereinigung, falls Remember Me nicht gesetzt ist
+    }
+  }
 
   async getUser() {
     try {
@@ -120,6 +149,9 @@ export class AuthService {
 
   async logOut() {
     this.user = null;
+    // Bereinigen des lokalen Speichers
+    localStorage.removeItem('access_token');
+    localStorage.removeItem('remember_me');
     this.router.navigate(['/login-form']);
   }
 }