Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

roles/web-app-jenkins/tasks/main.yml

@@ -0,0 +1,19 @@
+- name: "include role webserver-proxy-domain for {{application_id}}"
+  include_role:
+    name: webserver-proxy-domain
+  vars:
+    domain:   "{{ domains | get_domain(application_id) }}"
+    http_port:   "{{ ports.localhost.http[application_id] }}"
+
+- name: "docker jenkins"
+  docker_compose:
+    application_id: jenkins
+    definition:
+      application:
+        image: jenkins/jenkins:lts
+        restart: "{{docker_restart_policy}}"
+        ports:
+          - "127.0.0.1:{{ports.localhost.http[application_id]}}:8080"
+        volumes:
+          - jenkins_data:/var/jenkins_home
+        log_driver: journald