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-yourls/templates/docker-compose.yml.j2

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+{% include 'roles/docker-compose/templates/base.yml.j2' %}
+
+  application:
+{% set container_port = 80 %}
+{% set container_healthcheck = 'http://127.0.0.1/admin/' %}
+    image: yourls:{{applications.yourls.version}}
+{% include 'roles/docker-container/templates/base.yml.j2' %}
+    ports:
+      - "127.0.0.1:{{ports.localhost.http[application_id]}}:{{ container_port }}"
+{% include 'roles/docker-container/templates/healthcheck/curl.yml.j2' %}
+
+{% include 'roles/docker-container/templates/depends_on/dmbs_excl.yml.j2' %}
+{% include 'roles/docker-container/templates/networks.yml.j2' %}
+
+{% include 'roles/docker-compose/templates/volumes-just-database.yml.j2' %}
+
+{% include 'roles/docker-compose/templates/networks.yml.j2' %}

roles/web-app-yourls/templates/env.j2

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+YOURLS_DB_HOST: "{{database_host}}"
+YOURLS_DB_USER: "{{database_username}}"
+YOURLS_DB_PASS: "{{database_password}}"
+YOURLS_DB_NAME: "{{database_name}}"
+YOURLS_SITE:    "{{ domains | get_url(application_id, web_protocol) }}"
+YOURLS_USER:    "{{applications.yourls.users.administrator.username}}"
+YOURLS_PASS:    "{{applications[application_id].credentials.administrator_password}}"
+# The following deactivates the login mask for admins, if the oauth2 proxy is activated 
+YOURLS_PRIVATE: "{{not (applications | is_feature_enabled('oauth2', application_id))}}"