diff --git a/.env.example b/.env.example
index 22c520a6..4dc68dde 100644
--- a/.env.example
+++ b/.env.example
@@ -10,10 +10,10 @@ LOG_LEVEL=debug
 
 DB_CONNECTION=mysql
 DB_HOST=127.0.0.1
-DB_PORT=3306
-DB_DATABASE=project
+DB_PORT=10111
+DB_DATABASE=validation_test
 DB_USERNAME=root
-DB_PASSWORD=
+DB_PASSWORD=root
 
 BROADCAST_DRIVER=log
 CACHE_DRIVER=file
diff --git a/app/Http/Controllers/PostController.php b/app/Http/Controllers/PostController.php
index cd0808b7..db074d0c 100644
--- a/app/Http/Controllers/PostController.php
+++ b/app/Http/Controllers/PostController.php
@@ -12,6 +12,9 @@ public function store(Request $request)
         $request->validate(
             // ... TASK: write validation here so that "title" field
             //           would be required and unique in the "posts" DB table
+            [
+                "title" => ["required", "unique:posts"]
+            ]
         );
 
         // Saving the post
diff --git a/app/Http/Controllers/ProfileController.php b/app/Http/Controllers/ProfileController.php
index bb6bab39..7adc8306 100644
--- a/app/Http/Controllers/ProfileController.php
+++ b/app/Http/Controllers/ProfileController.php
@@ -13,6 +13,8 @@ public function update(Request $request)
             // <input name="profile[name]" ... />
             // <input name="profile[email]" ... />
             // Write validation rules, so both name and email are required
+            "profile.name" => "required",
+            "profile.email" => "required"
         ]);
 
         auth()->user()->update($request->profile ?? []);
diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index 404d7471..a6d0f989 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -11,7 +11,7 @@ public function update(User $user, UpdateUserRequest $request)
     {
         // TASK: change this line to not allow is_admin field to be updated
         // Update only the fields that are validated in UpdateUserRequest
-        $user->update($request->all());
+        $user->update($request->validated());
 
         return 'Success';
     }
diff --git a/app/Http/Requests/StoreBuildingRequest.php b/app/Http/Requests/StoreBuildingRequest.php
index fbd8c064..7fd5d258 100644
--- a/app/Http/Requests/StoreBuildingRequest.php
+++ b/app/Http/Requests/StoreBuildingRequest.php
@@ -30,4 +30,16 @@ public function rules()
             'name' => 'required'
         ];
     }
+
+    /**
+     * Get the error messages for the defined validation rules.
+     *
+     * @return array<string, string>
+     */
+    public function messages(): array
+    {
+        return [
+            'name.required' => 'Please enter the name',
+        ];
+    }
 }
diff --git a/app/Http/Requests/StoreItemRequest.php b/app/Http/Requests/StoreItemRequest.php
new file mode 100644
index 00000000..7f0cfa45
--- /dev/null
+++ b/app/Http/Requests/StoreItemRequest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreItemRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\Rule|array|string>
+     */
+    public function rules(): array
+    {
+        return [
+            "name" => "required",
+            "description" => "required"
+        ];
+    }
+}
diff --git a/app/Rules/Uppercase.php b/app/Rules/Uppercase.php
new file mode 100644
index 00000000..236c10a6
--- /dev/null
+++ b/app/Rules/Uppercase.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Rules;
+
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+
+class Uppercase implements ValidationRule
+{
+    /**
+     * Run the validation rule.
+     *
+     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     */
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (strtoupper($value[0]) != $value[0]) {
+            $fail("The :attribute does not start with an uppercased letter");
+        }
+    }
+}
diff --git a/config/database.php b/config/database.php
index b42d9b30..3c951aa0 100644
--- a/config/database.php
+++ b/config/database.php
@@ -47,10 +47,10 @@
             'driver' => 'mysql',
             'url' => env('DATABASE_URL'),
             'host' => env('DB_HOST', '127.0.0.1'),
-            'port' => env('DB_PORT', '3306'),
-            'database' => env('DB_DATABASE', 'forge'),
-            'username' => env('DB_USERNAME', 'forge'),
-            'password' => env('DB_PASSWORD', ''),
+            'port' => env('DB_PORT', '10111'),
+            'database' => env('DB_DATABASE', 'validation_test'),
+            'username' => env('DB_USERNAME', 'root'),
+            'password' => env('DB_PASSWORD', 'root'),
             'unix_socket' => env('DB_SOCKET', ''),
             'charset' => 'utf8mb4',
             'collation' => 'utf8mb4_unicode_ci',
@@ -123,7 +123,7 @@
 
         'options' => [
             'cluster' => env('REDIS_CLUSTER', 'redis'),
-            'prefix' => env('REDIS_PREFIX', Str::slug(env('APP_NAME', 'laravel'), '_').'_database_'),
+            'prefix' => env('REDIS_PREFIX', Str::slug(env('APP_NAME', 'laravel'), '_') . '_database_'),
         ],
 
         'default' => [
diff --git a/phpunit.xml b/phpunit.xml
index a0b799dd..eca4e57b 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -18,8 +18,8 @@
         <env name="APP_ENV" value="testing"/>
         <env name="BCRYPT_ROUNDS" value="4"/>
         <env name="CACHE_DRIVER" value="array"/>
-        <!-- <env name="DB_CONNECTION" value="sqlite"/> -->
-        <!-- <env name="DB_DATABASE" value=":memory:"/> -->
+        <env name="DB_CONNECTION" value="mysql"/>
+        <env name="DB_DATABASE" value="validation_test"/>
         <env name="MAIL_MAILER" value="array"/>
         <env name="QUEUE_CONNECTION" value="sync"/>
         <env name="SESSION_DRIVER" value="array"/>
diff --git a/resources/views/products/create.blade.php b/resources/views/products/create.blade.php
index 611b7ef6..4dc7ceb8 100644
--- a/resources/views/products/create.blade.php
+++ b/resources/views/products/create.blade.php
@@ -9,6 +9,9 @@
     {{-- @directive --}}
     {{-- {{ $message }} --}}
     {{-- @endDirective --}}
+    @error('name')
+    <div class="alert alert-danger">{{ $message }}</div>
+    @enderror
     <br /><br />
     <button type="submit">Save</button>
-</form>
+</form>
\ No newline at end of file
diff --git a/resources/views/projects/create.blade.php b/resources/views/projects/create.blade.php
index dc19b63b..b45e182b 100644
--- a/resources/views/projects/create.blade.php
+++ b/resources/views/projects/create.blade.php
@@ -3,6 +3,15 @@
 {{-- TASK: add the validation errors here - with whatever HTML structure you want --}}
 {{-- in case of title/description empty, visitor should see --}}
 {{-- "The name field is required." and "The description field is required." --}}
+@if ($errors->any())
+<div class="alert alert-danger">
+    <ul>
+        @foreach ($errors->all() as $error)
+        <li>{{ $error }}</li>
+        @endforeach
+    </ul>
+</div>
+@endif
 
 <form method="POST" action="{{ route('projects.store') }}">
     @csrf
@@ -15,4 +24,4 @@
     <input type="text" name="description" />
     <br /><br />
     <button type="submit">Save</button>
-</form>
+</form>
\ No newline at end of file
diff --git a/resources/views/teams/create.blade.php b/resources/views/teams/create.blade.php
index 2d003c05..e8d71ee1 100644
--- a/resources/views/teams/create.blade.php
+++ b/resources/views/teams/create.blade.php
@@ -3,7 +3,7 @@
     Name:
     <br />
     {{-- TASK: change this field so it would contain old value after validation error --}}
-    <input type="text" name="name" />
+    <input type="text" name="name" value="{{ old('name') }}" />
     <br /><br />
     <button type="submit">Save</button>
-</form>
+</form>
\ No newline at end of file