Enabled docker log rotation

roles/docker/handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: restart docker
+  service:
+    name: docker
+    state: restarted

roles/docker/tasks/main.yml

@@ -11,3 +11,11 @@
     name:
       - docker
       - docker-compose
+- name: enable docker log rotation
+  template:
+    src: etc/docker/daemon.json.j2
+    dest: /etc/docker/daemon.json
+    owner: root
+    group: root
+    mode: 0644
+  notify: restart docker

roles/docker/templates/etc/docker/daemon.json.j2

@@ -0,0 +1,7 @@
+{
+  "log-driver": "json-file",
+  "log-opts": {
+    "max-size": "10m",
+    "max-file": "3"
+  }
+}