updated docker networking & cleanup

Makefile

@@ -55,6 +55,7 @@ setup:	##@docker setup application packages and database
 clean:  ##@docker remove application containers
 	$(DOCKER_COMPOSE) kill
 	$(DOCKER_COMPOSE) rm -fv
+	$(DOCKER_COMPOSE) down
 
 tests:
 	$(MAKE) build

build/compose/test.override.yml

@@ -14,7 +14,7 @@ services:
     ports:
       - '80'
     networks:
-      internal:
+      default:
         aliases:
           - web
   tester:
@@ -30,14 +30,12 @@ services:
       - DB_PORT_3306_TCP_PORT=3306
       - DB_ENV_MYSQL_ROOT_USER=root
       - DB_ENV_MYSQL_ROOT_PASSWORD=secretadmin
-    networks:
-      internal:
   seleniumfirefox:
     image: selenium/standalone-firefox-debug:2.47.1
     ports:
       - '4444'
       - '5900'
     networks:
-      internal:
+      default:
         aliases:
           - hub

docker-compose.yml

@@ -7,7 +7,7 @@ services:
     depends_on:
       - db
     networks:
-      internal:
+      default:
         aliases:
           - phpfpm
 
@@ -15,18 +15,8 @@ services:
     image: phundament/nginx-one:1.9
     depends_on:
       - php
-    networks:
-      internal:
-      external:
 
   db:
     image: 'percona:5.6'
     environment:
       MYSQL_ROOT_PASSWORD: secretadmin
-    networks:
-      internal:
-
-networks:
-  internal:
-  external:
-