set postgres service name as host

Author: mahenzon

.github/workflows/testing.yml

@@ -44,7 +44,7 @@ jobs:
           - "3.11"
         db-url:
           - "sqlite+aiosqlite:///./db.sqlite3"
-          - "postgresql+asyncpg://user:passwd@localhost:5432/postgres"
+          - "postgresql+asyncpg://user:passwd@postgres:5432/app"
 
     # Service containers to run with `container-job`
     services:
@@ -56,7 +56,7 @@ jobs:
         env:
           POSTGRES_USER: user
           POSTGRES_PASSWORD: passwd
-          POSTGRES_DB: postgres
+          POSTGRES_DB: app
         # Set health checks to wait until postgres has started
         options: >-
           --health-cmd pg_isready