diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
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+++ b/.github/workflows/main.yml
@@ -0,0 +1,63 @@
+name: Angular + .NET CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+# ================= ANGULAR =================
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+          cache: 'npm'
+          cache-dependency-path: src/frontend/package-lock.json
+
+      - name: Install Angular dependencies
+        working-directory: src/frontend
+        run: npm ci
+
+      - name: Build Angular
+        working-directory: src/frontend
+        run: npm run build -- --configuration production
+
+# ================= .NET =================
+      - name: Setup .NET 9
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.x
+
+      - name: Restore .NET
+        run: dotnet restore
+
+      - name: Build .NET
+        run: dotnet build --configuration Release --no-restore
+
+      - name: Run tests
+        run: dotnet test --no-build --verbosity normal
+
+# ========== Якщо Angular має бути в wwwroot ==========
+      - name: Copy Angular to wwwroot
+        run: |
+          rm -rf src/BackendApp/wwwroot/*
+          cp -r src/frontend/dist/* src/BackendApp/wwwroot/
+
+# ================= Publish =================
+      - name: Publish App
+        run: dotnet publish src/BackendApp/BackendApp.csproj -c Release -o out
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-build
+          path: out