Use local docker registry to push and pull app images

test/fixtures/deploy_with_local_registry.yml

@@ -0,0 +1,10 @@
+service: app
+image: dhh/app
+servers:
+web:
+  - '1.1.1.1'
+  - '1.1.1.2'
+registry:
+  server: localhost:5000
+builder:
+  arch: amd64

test/fixtures/deploy_with_local_registry_and_accessories.yml

@@ -0,0 +1,45 @@
+service: app
+image: dhh/app
+servers:
+  web:
+    - '1.1.1.1'
+    - '1.1.1.2'
+  workers:
+    - '1.1.1.3'
+    - '1.1.1.4'
+registry:
+  server: localhost:5000
+builder:
+  arch: amd64
+
+accessories:
+  mysql:
+    image: mysql:5.7
+    host: 1.1.1.3
+    port: 3306
+    env:
+      clear:
+        MYSQL_ROOT_HOST: '%'
+      secret:
+        - MYSQL_ROOT_PASSWORD
+    files:
+      - test/fixtures/files/my.cnf:/etc/mysql/my.cnf
+    directories:
+      - data:/var/lib/mysql
+  redis:
+    image: redis:latest
+    roles:
+      - web
+    port: 6379
+    directories:
+      - data:/data
+  busybox:
+    service: custom-box
+    image: busybox:latest
+    host: 1.1.1.3
+    registry:
+      server: other.registry
+      username: other_user
+      password: other_pw
+
+readiness_delay: 0