ci: use postgres db env

.github/workflows/ci.yml

@@ -8,17 +8,18 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres
+        image: postgres:latest
         env:
-          POSTGRES_DB: postgres
+          POSTGRES_DB: mev_inspections_test
           POSTGRES_USER: postgres
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
         options: >-
           --health-cmd pg_isready
           --health-interval 10s
           --health-timeout 5s
           --health-retries 5
-        ports:
-          - 5432:5432
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2