Fix PostgreSQL healthcheck

Author: dolfinus

docker-compose.test.yml

@@ -12,7 +12,7 @@ services:
     volumes:
       - postgres_test_data:/var/lib/postgresql/data
     healthcheck:
-      test: pg_isready
+      test: [CMD-SHELL, 'pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}']
       start_period: 5s
       interval: 30s
       timeout: 5s
@@ -162,7 +162,7 @@ services:
     volumes:
       - horizon_test_data:/var/lib/postgresql/data
     healthcheck:
-      test: pg_isready
+      test: [CMD-SHELL, 'pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}']
       start_period: 5s
       interval: 30s
       timeout: 5s
@@ -180,7 +180,7 @@ services:
       POSTGRES_USER: syncmaster
       POSTGRES_PASSWORD: 123UsedForTestOnly@!
     healthcheck:
-      test: pg_isready
+      test: [CMD-SHELL, 'pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}']
       start_period: 5s
       interval: 30s
       timeout: 5s
@@ -271,7 +271,7 @@ services:
     ports:
       - 5440:5432
     healthcheck:
-      test: pg_isready
+      test: [CMD-SHELL, 'pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}']
       start_period: 5s
       interval: 30s
       timeout: 5s