Removed strict dependencies of role and added deploy playbook

ansible/deploy_spring.yaml

@@ -0,0 +1,9 @@
+---
+- name: Deploy Spring applications
+  hosts: applications
+  gather_facts: false
+  become: true
+  become_method: ansible.builtin.sudo
+  remote_user: "{{ ssh_user }}"
+  roles:
+    - spring_boot

ansible/roles/spring_boot/meta/README.md

@@ -0,0 +1,16 @@
+# Spring Boot role
+
+### Dependencies
+These dependencies are not explicitly configured to allow
+usage of role for deployment scenarios where server state
+itself is predictable and stable.
+
+- nginx
+- letsencrypt
+- docker
+
+#### Optional
+
+If the Spring application uses Kafka, the kafka
+role has to be used in a play before this role 
+is used.

ansible/roles/spring_boot/meta/main.yaml

@@ -1,6 +0,0 @@
----
-dependencies:
-  - role: docker
-  - role: letsencrypt
-  - role: nginx
-  - role: kafka