diff --git a/solution/Dockerfile b/solution/Dockerfile
index c7396c0..3683218 100644
--- a/solution/Dockerfile
+++ b/solution/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /app
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
-ENV SERVER_PORT=8080
+ENV SERVER_PORT=8082
 ENV DJANGO_DEBUG=False
 
 RUN pip3 install --upgrade pip
diff --git a/solution/pulse/api/posts/views.py b/solution/pulse/api/posts/views.py
index aee9db7..422018b 100644
--- a/solution/pulse/api/posts/views.py
+++ b/solution/pulse/api/posts/views.py
@@ -106,8 +106,9 @@ class LikePostApiView(APIView):
             post = Post.objects.get(id=post_id)
             self.check_object_permissions(request, post)
             request.user.like_post(post)
+            serializer = PostSerializer(post)
             return Response(
-                {"status": "ok"},
+                serializer.data,
                 status=status.HTTP_200_OK,
             )
         except Post.DoesNotExist:
@@ -129,8 +130,9 @@ class DislikePostApiView(APIView):
             post = Post.objects.get(id=post_id)
             self.check_object_permissions(request, post)
             request.user.dislike_post(post)
+            serializer = PostSerializer(post)
             return Response(
-                {"status": "ok"},
+                serializer.data,
                 status=status.HTTP_200_OK,
             )
         except Post.DoesNotExist:
diff --git a/solution/pulse/api/users/authentication.py b/solution/pulse/api/users/authentication.py
index aa6a6bb..72a9840 100644
--- a/solution/pulse/api/users/authentication.py
+++ b/solution/pulse/api/users/authentication.py
@@ -32,9 +32,8 @@ class JWTAuthentication(BaseAuthentication):
 
             user = Profile.objects.get(id=payload["id"])
 
-            if not bcrypt.checkpw(
-                payload["password"].encode("utf-8"),
-                user.password.encode("utf-8"),
+            if payload["password"].encode("utf-8") != user.password.encode(
+                "utf-8"
             ):
                 error = "Token has expired"
                 raise AuthenticationFailed(error)
diff --git a/solution/pulse/api/users/views.py b/solution/pulse/api/users/views.py
index 052a920..a68cba9 100644
--- a/solution/pulse/api/users/views.py
+++ b/solution/pulse/api/users/views.py
@@ -70,6 +70,11 @@ class SigninUserApiView(APIView):
         password = request.data.get("password")
         user = Profile.objects.filter(login=login).first()
 
+        if not password:
+            raise NotAuthenticated(
+                {"error": "Invalid credentials"},
+            )
+
         if user is not None:
             if not bcrypt.checkpw(
                 password.encode("utf-8"), user.password.encode("utf-8")
@@ -85,7 +90,7 @@ class SigninUserApiView(APIView):
         token = jwt.encode(
             {
                 "id": user.id,
-                "password": password,
+                "password": user.password,
                 "exp": timezone.now() + timedelta(hours=24),
             },
             settings.SECRET_KEY,
@@ -204,7 +209,7 @@ class FriendsListApiView(ListAPIView):
 
         return Friendship.objects.order_by("-addedAt").filter(
             from_profile=self.request.user
-        )[offset: offset + limit]
+        )[offset : offset + limit]
 
 
 class PasswordChangeApiView(APIView):