fix: use postgres hostname for CI DB and fix node setup

.gitea/workflows/test.yml

@@ -27,8 +27,6 @@ jobs:
           --health-interval 10s
           --health-timeout 5s
           --health-retries 5
-        ports:
-          - 5432:5432
 
     steps:
       - uses: actions/checkout@v4
@@ -44,10 +42,16 @@ jobs:
       - name: Install dependencies
         run: pip install -r backend/requirements.txt -r backend/requirements-test.txt
 
+      - name: Run migrations
+        working-directory: backend
+        env:
+          DATABASE_URL: postgresql+asyncpg://test:test@postgres:5432/gartenmanager_test
+        run: alembic upgrade head
+
       - name: Run tests
         working-directory: backend
         env:
-          DATABASE_URL: postgresql+asyncpg://test:test@localhost:5432/gartenmanager_test
+          DATABASE_URL: postgresql+asyncpg://test:test@postgres:5432/gartenmanager_test
           SECRET_KEY: ci-test-secret-key-min-32-characters
         run: pytest tests/ -v --cov=app --cov-report=xml --cov-report=term-missing
 
@@ -67,12 +71,10 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: '20'
-          cache: npm
-          cache-dependency-path: frontend/package-lock.json
 
       - name: Install dependencies
         working-directory: frontend
-        run: npm ci
+        run: npm install
 
       - name: Lint
         working-directory: frontend