diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..e2d67a5
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,75 @@
+name: CI/CD
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main, develop]
+  workflow_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.13"]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      
+      - name: Install dependencies
+        run: pip install ruff
+      
+      - name: Run Ruff Linter
+        uses: astral-sh/ruff-action@v3.2.2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          
+      - name: Run Ruff Formatter Check
+        run: ruff format --check
+
+  test:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Create .env file for Docker
+        run: |
+          cat <<'EOF' >> .env
+          DJANGO_ALLOWED_HOSTS=localhost,127.0.0.1,0.0.0.0
+          DJANGO_SECRET_KEY=${{ secrets.DJANGO_SECRET_KEY }}
+          POSTGRES_DATABASE=${{ secrets.POSTGRES_DB }}
+          POSTGRES_USERNAME=${{ secrets.POSTGRES_USER }}
+          POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD }}
+          POSTGRES_HOST=db
+          ANTIFRAUD_INTERNAL_PORT=9090
+          ANTIFRAUD_EXTERNAL_PORT=9090
+          ANTIFRAUD_CACHE_MS=5000
+          ANTIFRAUD_ADDRESS=http://antifraud:9090
+          EOF
+
+      - name: Build and run Docker containers
+        run: docker compose up -d --build
+
+      - name: Wait for services to be healthy
+        run: |
+          echo "Waiting for PostgreSQL..."
+          sleep 20
+
+      - name: Run tests and generate coverage report 🛡️
+        run: >
+          docker compose exec -T web sh -c
+          "cd promo_code && coverage run manage.py test && coverage xml"
+
+      - name: Upload coverage to Codecov 🚀
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
deleted file mode 100644
index 6ade1f9..0000000
--- a/.github/workflows/linting.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: Linting
-on:
-  push:
-    branches: [main, develop]
-  pull_request:
-    branches: [main, develop]
-  workflow_dispatch:
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.13"]
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Run Ruff via Action
-        uses: astral-sh/ruff-action@v3.2.2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-      - run: ruff format --check
diff --git a/README.md b/README.md
index efa130b..5824957 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 # Promo Code API
 
-[![Linting](https://github.com/RandomProgramm3r/Promo-Code-API/actions/workflows/linting.yml/badge.svg)](https://github.com/RandomProgramm3r/Promo-Code-API/actions)
+[![CI/CD](https://github.com/RandomProgramm3r/Promo-Code-API/actions/workflows/linting.yml/badge.svg)](https://github.com/RandomProgramm3r/Promo-Code-API/actions)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
+[![codecov](https://codecov.io/github/RandomProgramm3r/Promo-Code-API/graph/badge.svg?token=VNBK0FAU3Z)](https://codecov.io/github/RandomProgramm3r/Promo-Code-API)
 
 The application provides an HTTP API for companies and end-users, is integrated with an external anti-fraud service, and uses PostgreSQL and Redis for data storage and caching.
 
diff --git a/promo_code/.coveragerc b/promo_code/.coveragerc
new file mode 100644
index 0000000..b306ead
--- /dev/null
+++ b/promo_code/.coveragerc
@@ -0,0 +1,12 @@
+[run]
+source = business, promo_code, user, core
+omit =
+    settings.py
+    */tests/*
+    */migrations/*
+    */__init__.py
+    manage.py
+    */apps.py
+    */urls.py
+    */wsgi.py
+    */asgi.py
diff --git a/promo_code/user/tests/user/operations/test_feed.py b/promo_code/user/tests/user/operations/test_feed.py
index 898704a..fe9df74 100644
--- a/promo_code/user/tests/user/operations/test_feed.py
+++ b/promo_code/user/tests/user/operations/test_feed.py
@@ -442,9 +442,6 @@ def test_user3_lu_40_get_all_promos_pagination_offset10_limit2(self):
             response.status_code,
             rest_framework.status.HTTP_200_OK,
         )
-        for item in response.data:
-            self.assertNotIn('promo_common', item)
-            self.assertNotIn('promo_unique', item)
         self.assertEqual(response['X-Total-Count'], '6')
         self.assertEqual(response.data, [])
 
@@ -619,9 +616,7 @@ def test_user3_lu_40_get_promos_by_non_existent_category(self):
             response.status_code,
             rest_framework.status.HTTP_200_OK,
         )
-        for item in response.data:
-            self.assertNotIn('promo_common', item)
-            self.assertNotIn('promo_unique', item)
+
         self.assertEqual(response['X-Total-Count'], '0')
         self.assertEqual(response.data, [])
 
diff --git a/requirements/prod.txt b/requirements/prod.txt
index 18ecb42..4c0cc1c 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -9,3 +9,4 @@ pycountry==24.6.1
 python-dotenv==1.0.1
 requests==2.32.4
 parameterized==0.9.0
+coverage==7.9.2