Merge pull request #2235 from justincormack/use-library-docker

Use the upstream dind package to run docker

examples/docker.yml

@@ -30,7 +30,7 @@ services:
   - name: ntpd
     image: linuxkit/openntpd:19370f5d9bec84eb91073b7196b732f1301d9c90
   - name: docker
-    image: linuxkit/docker-ce:9b937df179bdbebbc70243779978057df0b54190
+    image: docker:17.06.0-ce-dind
     capabilities:
      - all
     net: host
@@ -41,6 +41,7 @@ services:
      - /var/lib/docker:/var/lib/docker
      - /lib/modules:/lib/modules
      - /etc/docker/daemon.json:/etc/docker/daemon.json
+    command: ["/usr/local/bin/docker-init", "/usr/local/bin/dockerd"]
 files:
   - path: var/lib/docker
     directory: true
@@ -49,3 +50,4 @@ files:
 trust:
   org:
     - linuxkit
+    - library