[FIX] docker: use pip for arm, not just Raspbian

tasks/docker-Debian.yml

@@ -7,9 +7,6 @@
 - name: docker - Detect architecture
   shell: dpkg --print-architecture
   register: dpkg_arch
-- name: docker - Detect debian distributor ID
-  shell: lsb_release -is
-  register: lsb_id
 
 # Install docker CE
 - name: docker - Install docker CE APT dependencies
@@ -36,13 +33,13 @@
   apt_repository:
     repo: "deb [arch={{ dpkg_arch.stdout }}] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
     state: present
-  when: lsb_id.stdout != "Raspbian"
+  when: ansible_lsb.id != "Raspbian"
 - name: docker - Add docker CE repo (Rasbian)
   become: yes
   apt_repository:
     repo: "deb [arch={{ dpkg_arch.stdout }}] https://download.docker.com/linux/raspbian {{ ansible_distribution_release }} stable"
     state: present
-  when: lsb_id.stdout == "Raspbian"
+  when: ansible_lsb.id == "Raspbian"
 
 - name: docker - Install docker CE
   become: yes
@@ -50,15 +47,15 @@
     name: docker-ce
     state: latest
     update_cache: yes
-    cache_valid_time: 3600
+    cache_valid_time: "3600"
 
 # Install latest release of docker-compose (using pip3)
 # docker only provides pre-compiled binaries for x86_64, but not for armhf/ arm64!
 # but ansible needs the python package anyway
-- name: docker-compose - Discover if raspbian is used
+- name: docker-compose - Discover if ARM is used
   set_fact:
     dockercompose_use_pip: true
-  when: lsb_id.stdout == "Raspbian"
+  when: ansible_architecture == "aarch64" or ansible_architecture == "armv7f"
 
 - name: docker-compose - Install x86_46 binary
   block: