ci: fix ci

.github/workflows/pytest-ci.yml

@@ -14,6 +14,20 @@ jobs:
   test:
     name: test with ${{ matrix.py }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    services:
+      postgres:
+        image: postgres:12
+        env:
+          POSTGRES_USER: mydatabaseuser
+          POSTGRES_PASSWORD: mypassword
+          POSTGRES_DB: mydatabase
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     strategy:
       matrix:
         py:
@@ -34,5 +48,8 @@ jobs:
         run: |
           python -m pip install poetry
           poetry install
+      - name: Set environment variables
+        run: |
+          echo "DATABASE_URL=postgresql://mydatabaseuser:mypassword@localhost:5432/mydatabase" >> $GITHUB_ENV
       - name: Run tests
         run: poetry run pytest -vv