Add GPG key to Focal apt repo setup (#487)

CHANGELOG.md

@@ -12,7 +12,8 @@ Support for ansible-base (ansible-core `<2.12`).
 
 BUG FIXES:
 
-The Molecule `upgrade` scenario verification test no longer has to be updated on each new NGINX OSS release.
+* The Molecule `upgrade` scenario verification test no longer has to be updated on each new NGINX OSS release.
+* Add GPG key for Ubuntu Focal during APT repository setup.
 
 ## 0.22.0 (December 9, 2021)
 

tasks/amplify/setup-debian.yml

@@ -1,4 +1,12 @@
 ---
+
+- name: (Ubuntu 20.04) Add NGINX Amplify apt key
+  apt_key:
+    url: https://nginx.org/keys/nginx_signing.key
+    state: present
+  become: true
+  when: ansible_facts['distribution_release'] == "focal"
+
 - name: (Debian/Ubuntu) Add NGINX Amplify agent repository
   apt_repository:
     filename: nginx-amplify