diff --git a/.github/workflows/pr-tests.yml b/.github/workflows/pr-tests.yml
index 6deb2a3..492d39c 100644
--- a/.github/workflows/pr-tests.yml
+++ b/.github/workflows/pr-tests.yml
@@ -52,6 +52,14 @@ jobs:
     name: Build and test Docker image
     runs-on: ubuntu-latest
 
+    env:
+      DB_PROVIDER: postgresql
+      DB_HOST: db
+      DB_PORT: 5432
+      DB_USERNAME: postgres
+      DB_PASSWORD: secret
+      DB_NAME: testdb
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v4