change to docker edge for docker-ce package

tasks/setup-Debian.yml

@@ -33,6 +33,12 @@
   register: add_repository_key
   ignore_errors: "{{ docker_apt_ignore_key_error }}"
 
+- name: Set Docker repository to edge
+  apt_repository: 
+    repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_lsb.codename }} edge"
+    state: present
+    update_cache: yes
+
 - name: Ensure curl is present (on older systems without SNI).
   package: name=curl state=present
   when: add_repository_key is failed