diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..48764c1
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,70 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v4
+      - run: uv sync
+      - name: Ruff check
+        run: uv run ruff check src/ tests/
+      - name: Ruff format check
+        run: uv run ruff format --check src/ tests/
+
+  test:
+    name: Tests
+    needs: lint
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: pgvector/pgvector:pg16
+        env:
+          POSTGRES_USER: ticketpilot
+          POSTGRES_PASSWORD: test_password
+          POSTGRES_DB: ticketpilot_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v4
+      - run: uv sync
+      - name: Run unit tests (skip DB-dependent)
+        run: |
+          uv run pytest tests/unit/ \
+            -q --tb=short \
+            --ignore=tests/unit/test_chat_adapter.py \
+            --ignore=tests/unit/test_chat_app.py \
+            --ignore=tests/unit/test_feedback.py \
+            --ignore=tests/unit/test_retrieval_viz.py \
+            --ignore=tests/unit/test_review_console_helpers.py \
+            -x
+        env:
+          TICKETPILOT_SKIP_DB_TESTS: "1"
+      - name: Run full tests with DB
+        run: |
+          uv run pytest tests/ \
+            -q --tb=short \
+            --ignore=tests/unit/test_chat_adapter.py \
+            --ignore=tests/unit/test_chat_app.py \
+            --ignore=tests/unit/test_feedback.py \
+            --ignore=tests/unit/test_retrieval_viz.py \
+            --ignore=tests/unit/test_review_console_helpers.py
+        env:
+          DB_HOST: localhost
+          DB_PORT: "5432"
+          DB_NAME: ticketpilot_test
+          DB_USER: ticketpilot
+          DB_PASSWORD: test_password