diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..3fb4ba5
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,71 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  backend:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.14"
+          cache: pip
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Run Django checks
+        run: python manage.py check
+        env:
+          DJANGO_DEBUG: "True"
+
+      - name: Run tests
+        run: python manage.py test --verbosity=2
+        env:
+          DJANGO_DEBUG: "True"
+
+  frontend:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: frontend
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+          cache-dependency-path: frontend/package-lock.json
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npx eslint src/
+
+      - name: Build
+        run: npm run build
+
+  docker:
+    runs-on: ubuntu-latest
+    needs: [backend, frontend]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build Docker images
+        run: docker compose build