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-redis/templates/service.yml.j2

@@ -0,0 +1,17 @@
+# This template needs to be included in docker-compose.yml, which depend on redis
+  redis:
+    image: redis:alpine
+    container_name: {{application_id}}-redis
+    restart: {{docker_restart_policy}}
+    logging:
+      driver: journald
+    volumes:
+      - redis:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 1s
+      timeout: 3s
+      retries: 30
+    networks:
+      - default
+{{ "\n" }}