Ports fix?

.drone.yml

@@ -5,8 +5,6 @@ name: python-3-5-alpine-3-10
 services:
   - name: postgresql
     image: postgres:11.5
-    ports:
-      - "5432:5432"
     environment:
       POSTGRES_PASSWORD: test
       POSTGRES_DB: test
@@ -24,8 +22,6 @@ name: python-3-6-alpine-3-10
 services:
   - name: postgresql
     image: postgres:11.5
-    ports:
-      - "5432:5432"
     environment:
       POSTGRES_PASSWORD: test
       POSTGRES_DB: test
@@ -43,8 +39,6 @@ name: python-3-7-alpine-3-10
 services:
   - name: postgresql
     image: postgres:11.5
-    ports:
-      - "5432:5432"
     environment:
       POSTGRES_PASSWORD: test
       POSTGRES_DB: test
@@ -62,8 +56,6 @@ name: python-3-7-alpine-3-7
 services:
   - name: postgresql
     image: postgres:11.5
-    ports:
-      - "5432:5432"
     environment:
       POSTGRES_PASSWORD: test
       POSTGRES_DB: test
@@ -81,8 +73,6 @@ name: python-3-8-alpine-3-10
 services:
   - name: postgresql
     image: postgres:11.5
-    ports:
-      - "5432:5432"
     environment:
       POSTGRES_PASSWORD: test
       POSTGRES_DB: test