diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
new file mode 100644
index 0000000..b590e3f
--- /dev/null
+++ b/.gitea/workflows/ci.yaml
@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  backend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r backend/requirements.txt
+
+      - name: Lint backend
+        run: |
+          pip install flake8
+          flake8 backend
+
+  frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Check frontend files
+        run: |
+          test -f frontend/templates/index.html
+          test -f frontend/css/style.css
+          test -f frontend/js/main.js