diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c9a3f05..a734261 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -54,6 +54,15 @@ build_backend-staticfiles:
     DOCKERFILE_PATH: "Dockerfile.staticfiles"
     IMAGE_NAME: "$CI_REGISTRY_IMAGE/backend-staticfiles"
 
+build_docs:
+  <<: *build-template
+  rules:
+    - if: '$CI_COMMIT_REF_NAME == "master"'
+  variables:
+    CONTEXT: "${CI_PROJECT_DIR}/docs"
+    DOCKERFILE_PATH: "Dockerfile"
+    IMAGE_NAME: "$CI_REGISTRY_IMAGE/docs"
+
 deploy:
   image: kroniak/ssh-client:3.19
   stage: deploy
diff --git a/compose.yaml b/compose.yaml
index 21501ef..9aac6d8 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -356,6 +356,20 @@ services:
         source: prometheus_data
         target: /prometheus
 
+  docs:
+    image: gitlab.prodcontest.ru:5050/team-15/project/docs:latest
+    build:
+      context: ./docs
+      dockerfile: Dockerfile
+    ports:
+      - name: web
+        target: 3000
+        published: 8008
+        host_ip: 0.0.0.0
+        protocol: tcp
+    restart: unless-stopped
+    shm_size: 4mb
+
   proxy:
     image: docker.io/nginx:1.27-alpine3.21
     configs:
diff --git a/docs/Dockerfile b/docs/Dockerfile
new file mode 100644
index 0000000..ee2e828
--- /dev/null
+++ b/docs/Dockerfile
@@ -0,0 +1,26 @@
+# Stage 1: Base image
+FROM node:lts AS base
+
+ENV FORCE_COLOR=0
+
+RUN corepack enable
+
+WORKDIR /opt/docusaurus
+
+# Stage 2: Production build mode
+FROM base AS prod
+
+WORKDIR /opt/docusaurus
+
+COPY . /opt/docusaurus/
+
+RUN npm ci
+
+RUN npm run build
+
+# Stage 3: Serve with docusaurus serve
+FROM prod AS serve
+
+EXPOSE 3000
+
+CMD ["npm", "run", "serve", "--", "--host", "0.0.0.0", "--no-open"]
diff --git a/docs/docusaurus.config.ts b/docs/docusaurus.config.ts
index bb23c46..758ca67 100644
--- a/docs/docusaurus.config.ts
+++ b/docs/docusaurus.config.ts
@@ -7,10 +7,10 @@ import type * as Preset from '@docusaurus/preset-classic';
 const config: Config = {
   title: 'DataRush',
   tagline: 'Изучите основы анализа данных здесь!',
-  favicon: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru/logo.svg',
+  favicon: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru/dr.svg',
 
   url: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru',
-  baseUrl: '/',
+  baseUrl: '/docs/',
 
   organizationName: 'megazord',
   projectName: 'megazord',
@@ -36,12 +36,12 @@ const config: Config = {
   ],
 
   themeConfig: {
-    image: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru/logo.svg',
+    image: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru/dr.svg',
     navbar: {
       title: 'DataRush',
       logo: {
-        alt: 'My Site Logo',
-        src: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru/logo.svg',
+        alt: 'DataRush',
+        src: 'https://prod-team-15-2pc0i3lc.final.prodcontest.ru/dr.svg',
       },
       items: [
         {
@@ -60,7 +60,7 @@ const config: Config = {
           items: [
             {
               label: 'Начало',
-              to: '/docs/intro',
+              to: '/docs/docs/intro',
             },
           ],
         },
diff --git a/infrastructure/nginx/nginx.conf b/infrastructure/nginx/nginx.conf
index 6e338eb..dff0f61 100644
--- a/infrastructure/nginx/nginx.conf
+++ b/infrastructure/nginx/nginx.conf
@@ -110,6 +110,24 @@ http {
             proxy_read_timeout 600s;
         }
 
+        location /docs {
+            proxy_pass http://docs:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+
+            proxy_cache_bypass $http_upgrade;
+            proxy_hide_header X-Powered-By;
+
+            proxy_connect_timeout 75s;
+            proxy_send_timeout 600s;
+            proxy_read_timeout 600s;
+        }
+
         location /static {
             rewrite ^/static/(.*)$ /$1 break;
             proxy_pass http://backend-staticfiles:80;
diff --git a/services/backend/api/v1/auth.py b/services/backend/api/v1/auth.py
index 1d36ce9..4284e49 100644
--- a/services/backend/api/v1/auth.py
+++ b/services/backend/api/v1/auth.py
@@ -19,7 +19,10 @@ class BearerAuth(HttpBearer):
         except Exception:
             raise AuthenticationError
 
-        user = User.objects.get(id=data["id"])
+        try:
+            user = User.objects.get(id=data["id"])
+        except User.DoesNotExist:
+            raise AuthenticationError
         return user
 
     @staticmethod
diff --git a/services/backend/apps/competition/tests.py b/services/backend/apps/competition/tests.py
new file mode 100644
index 0000000..f9508a2
--- /dev/null
+++ b/services/backend/apps/competition/tests.py
@@ -0,0 +1,108 @@
+import uuid
+
+from django.contrib.auth.hashers import make_password
+from django.test import TestCase
+
+from apps.user.models import User
+from apps.competition.models import Competition
+
+
+class CompetitionEndpointTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create(
+            email="user@example.com",
+            password=make_password("password123"),
+            username="t1wk4"
+        )
+
+        self.competition = Competition.objects.create(
+            title="AI Challenge",
+            description="Machine Learning Competition",
+            type="solo",
+            participation_type="edu"
+        )
+
+        resp = self.client.post(
+            "/api/v1/sign-in",
+            data={"email": self.user.email, "password": "password123"},
+            content_type="application/json",
+        ).json()
+        token = resp["token"]
+
+        self.valid_headers = {
+            "HTTP_AUTHORIZATION": f"Bearer {token}"
+        }
+
+    # --- Helper methods ---
+    def get_url(self, competition_id):
+        return f"/api/v1/competition/{competition_id}"
+
+    # --- Test Cases ---
+    def test_get_competition_success(self):
+        """Authenticated user gets competition details (200 OK)"""
+        response = self.client.get(
+            self.get_url(self.competition.id),
+            **self.valid_headers
+        )
+
+        self.assertEqual(response.status_code, 200)
+        data = response.json()
+
+        # Validate required fields
+        self.assertEqual(data["id"], str(self.competition.id))
+        self.assertEqual(data["title"], "AI Challenge")
+        self.assertEqual(data["type"], "solo")
+
+        # Validate optional null fields
+        self.assertIsNone(data["image_url"])
+        self.assertIsNone(data["start_date"])
+        self.assertIsNone(data["end_date"])
+
+    def test_invalid_uuid_format(self):
+        """Invalid UUID format returns 400 Bad Request"""
+        response = self.client.get(
+            self.get_url("invalid-id"),
+            **self.valid_headers
+        )
+        self.assertEqual(response.status_code, 400)
+
+    def test_unauthenticated_access(self):
+        """Missing auth token returns 401 Unauthorized"""
+        response = self.client.get(self.get_url(self.competition.id))
+        self.assertEqual(response.status_code, 401)
+        self.assertEqual(response.json()["detail"], "Unauthorized")
+
+    def test_nonexistent_competition(self):
+        """Valid UUID but missing competition returns 404"""
+        new_uuid = uuid.uuid4()
+        response = self.client.get(
+            self.get_url(new_uuid),
+            **self.valid_headers
+        )
+        self.assertEqual(response.status_code, 404)
+        self.assertEqual(response.json()["detail"], "Not Found")
+
+    def test_invalid_auth_token(self):
+        """Invalid token returns 401 Unauthorized"""
+        response = self.client.get(
+            self.get_url(self.competition.id),
+            HTTP_AUTHORIZATION="Bearer invalid_token"
+        )
+        self.assertEqual(response.status_code, 401)
+        self.assertEqual(response.json()["detail"], "Unauthorized")
+
+    def test_malformed_auth_header(self):
+        """Malformed Authorization header returns 401"""
+        cases = [
+            ("InvalidScheme valid_token_123", 401),
+            ("Bearer", 401),  # Missing token
+            ("", 401),  # No header
+        ]
+
+        for header, expected_status in cases:
+            with self.subTest(header=header):
+                response = self.client.get(
+                    self.get_url(self.competition.id),
+                    HTTP_AUTHORIZATION=header
+                )
+                self.assertEqual(response.status_code, expected_status)
diff --git a/services/backend/apps/user/models.py b/services/backend/apps/user/models.py
index 5a246db..f525c29 100644
--- a/services/backend/apps/user/models.py
+++ b/services/backend/apps/user/models.py
@@ -14,10 +14,11 @@ class User(BaseModel):
     username = models.SlugField(unique=True, verbose_name="юзернейм")
     password = models.TextField(verbose_name="пароль")
 
-    def make_password(self):
-        return make_password(self.password)
+    @staticmethod
+    def make_password(password: str):
+        return make_password(password)
 
-    def check_password(self, password):
+    def check_password(self, password: str):
         return check_password(self.password, password)
 
     status = models.CharField(
diff --git a/services/backend/apps/user/test.py b/services/backend/apps/user/test.py
index cad7709..33bbc41 100644
--- a/services/backend/apps/user/test.py
+++ b/services/backend/apps/user/test.py
@@ -1,29 +1,217 @@
-from django.core.exceptions import ValidationError
+import json
+import uuid
+
 from django.test import TestCase
+from django.contrib.auth.hashers import make_password
 
 from apps.user.models import User
 
 
-class TestSignUp(TestCase):
-    def test_correct_signup(self):
-        user = User(
-            email="123123@timka.su",
-            password="1321312",
-            username="123123",
+class SignUpAPITestCase(TestCase):
+    def test_successful_sign_up(self):
+        payload = {
+            "email": "user@example.com",
+            "password": "securepassword123",
+            "username": "123",
+        }
+        response = self.client.post(
+            "/api/v1/sign-up",
+            data=json.dumps(payload),
+            content_type="application/json",
         )
-        user.full_clean()
-        user.save()
+        self.assertEqual(response.status_code, 201)
+        self.assertIn("token", response.json())
+        self.assertEqual(User.objects.count(), 1)
 
-    def test_incorrect_mail(self):
-        user = User(
-            email="123123",
-            password="1321312",
-            username="123123123",
+    def test_missing_required_fields(self):
+        payload = {"password": "testpass123", "username": "sffsdf"}
+        response = self.client.post(
+            "/api/v1/sign-up",
+            data=json.dumps(payload),
+            content_type="application/json",
         )
-        with self.assertRaises(ValidationError):
-            user.full_clean()
+        self.assertEqual(response.status_code, 400)
 
-    def test_missing_params(self):
-        user = User(password="123123", username="132131232131")
-        with self.assertRaises(ValidationError):
-            user.full_clean()
+    def test_invalid_email_format(self):
+        payload = {
+            "email": "ervtb uktr bym",
+            "password": "securepassword123",
+            "username": "123",
+        }
+        response = self.client.post(
+            "/api/v1/sign-up",
+            data=json.dumps(payload),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, 400)
+
+    def test_existing_user_conflict(self):
+        User.objects.create(
+            email="existing@example.com", password="existingpass123", username="testing"
+        )
+        payload = {
+            "email": "existing@example.com",
+            "password": "sfsad",
+            "username": "testing",
+        }
+        response = self.client.post(
+            "/api/v1/sign-up",
+            data=json.dumps(payload),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, 409)
+        self.assertIn("detail", response.json())
+
+class SignInAPITestCase(TestCase):
+    def setUp(self):
+        self.user = User.objects.create(
+            email="valid@example.com",
+            password=make_password("securepassword123"),
+            username="testuser"
+        )
+        self.valid_payload = {
+            "email": "valid@example.com",
+            "password": "securepassword123"
+        }
+
+    def test_successful_sign_in(self):
+        response = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps(self.valid_payload),
+            content_type="application/json"
+        )
+        self.assertEqual(response.status_code, 200)
+        self.assertIn("token", response.json())
+
+    def test_missing_credentials(self):
+        # Test missing email
+        response = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps({"password": "pass"}),
+            content_type="application/json"
+        )
+        self.assertEqual(response.status_code, 400)
+
+        # Test missing password
+        response = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps({"email": "test@example.com"}),
+            content_type="application/json"
+        )
+        self.assertEqual(response.status_code, 400)
+
+    def test_invalid_email_format(self):
+        payload = {
+            "email": "invalid-email",
+            "password": "password123"
+        }
+        response = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps(payload),
+            content_type="application/json"
+        )
+        self.assertEqual(response.status_code, 401)
+
+    def test_incorrect_password(self):
+        payload = {
+            "email": "valid@example.com",
+            "password": "wrongpassword"
+        }
+        response = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps(payload),
+            content_type="application/json"
+        )
+        self.assertEqual(response.status_code, 401)
+        self.assertEqual(response.json()["detail"], "Unauthorized")
+
+    def test_nonexistent_user(self):
+        payload = {
+            "email": "notexist@example.com",
+            "password": "password123"
+        }
+        response = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps(payload),
+            content_type="application/json"
+        )
+        self.assertEqual(response.status_code, 401)
+        self.assertEqual(response.json()["detail"], "Unauthorized")
+
+
+class UserMeEndpointTestCase(TestCase):
+    def setUp(self):
+        # Create test user and token
+        self.user = User.objects.create(
+            email="johndoe@example.com",
+            username="johndoe",
+            password=make_password("securepassword123")
+        )
+        resp = self.client.post(
+            "/api/v1/sign-in",
+            data=json.dumps({"email": "johndoe@example.com", "password": "securepassword123"}),
+            content_type="application/json"
+        ).json()
+        self.token = resp['token']
+        self.url = "/api/v1/me"
+
+    def test_get_authenticated_user_data(self):
+        """Test authenticated user can retrieve their profile (200 OK)"""
+        response = self.client.get(
+            self.url,
+            HTTP_AUTHORIZATION=f"Bearer {self.token}"
+        )
+
+        self.assertEqual(response.status_code, 200)
+        data = response.json()
+
+        # Validate UserSchema structure
+        self.assertIn("id", data)
+        self.assertIn("email", data)
+        self.assertIn("username", data)
+
+        # Validate UUID format if ID is present
+        if data["id"] is not None:
+            try:
+                uuid.UUID(data["id"])
+            except ValueError:
+                self.fail("ID is not a valid UUID")
+
+        # Validate response content
+        self.assertEqual(data["email"], "johndoe@example.com")
+        self.assertEqual(data["username"], "johndoe")
+
+    def test_unauthenticated_access(self):
+        """Test unauthorized access returns 401 Unauthorized"""
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 401)
+        self.assertEqual(response.json()["detail"], "Unauthorized")
+
+    def test_invalid_auth_scheme(self):
+        """Test invalid authentication scheme returns 401"""
+        response = self.client.get(
+            self.url,
+            HTTP_AUTHORIZATION=f"InvalidScheme {self.token}"
+        )
+
+        self.assertEqual(response.status_code, 401)
+        self.assertEqual(response.json()["detail"], "Unauthorized")
+
+    def test_malformed_token(self):
+        """Test malformed token returns 401"""
+        test_cases = [
+            "invalid.token.123",
+            "Bearer",
+            "",
+            "123456"
+        ]
+
+        for token in test_cases:
+            with self.subTest(token=token):
+                response = self.client.get(
+                    self.url,
+                    HTTP_AUTHORIZATION=f"Bearer {token}"
+                )
+                self.assertEqual(response.status_code, 401)
+                self.assertEqual(response.json()["detail"], "Unauthorized")
diff --git a/services/backend/config/settings.py b/services/backend/config/settings.py
index 66332c8..45b28ed 100644
--- a/services/backend/config/settings.py
+++ b/services/backend/config/settings.py
@@ -485,6 +485,7 @@ LANGUAGE_COOKIE_AGE = 31449600
 
 PASSWORD_HASHERS = [
     "django.contrib.auth.hashers.Argon2PasswordHasher",
+    "django.contrib.auth.hashers.ScryptPasswordHasher",
 ]
 
 LANGUAGE_COOKIE_DOMAIN = None