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-roulette-wheel/README.md

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+# Roulette Wheel
+
+## Warning
+This role isn't actively maintained. Use it with caution in production environments.
+
+## Overview
+This role deploys and configures the Roulette Wheel application using Docker Compose. It pulls the latest source code from a Git repository, builds a Docker image from a Node.js base, and starts the application on a user-defined local HTTP port.
+
+## Description
+Roulette Wheel is a Node.js-based front-end application that is containerized using Docker. The role accomplishes the following:
+- **Repository Integration:** Automatically clones or updates the application repository from GitHub.
+- **Dockerfile Management:** Uses a custom Dockerfile (built on a Node.js image) to install dependencies, build the application, and define the startup command.
+- **Container Deployment:** Integrates with Docker Compose for container orchestration, making it easy to manage the application's lifecycle.
+
+## Features
+- **Dockerized Deployment:** Packages the application in a Docker container for consistent and isolated runtime.
+- **Automated Builds:** Uses an automated Docker build process with a dedicated Dockerfile.
+- **Configurable Ports:** Exposes the application through a customizable host port.
+- **Git Integration:** Ensures that the application source code is up-to-date by pulling from the specified Git repository.
+
+## Other Resources
+- [Roulette Wheel on GitHub](https://github.com/p-wojt/roulette-wheel)
+- [Packaging Front-End Projects into Docker Images (Dev.to)](https://dev.to/ms314006/how-to-package-front-end-projects-into-web-app-images-and-use-it-with-webpack-go3)
+- [Stack Overflow: Dockerfile to Run NodeJS Static Content](https://stackoverflow.com/questions/53178820/dockerfile-to-run-nodejs-static-content-in-docker-container)
+- [Stack Overflow: Invalid Host Header Message with Webpack Dev Server](https://stackoverflow.com/questions/43619644/i-am-getting-an-invalid-host-header-message-when-connecting-to-webpack-dev-ser)
+
+## Credits
+Developed and maintained by **Kevin Veen-Birkenbach**.  
+Learn more at [veen.world](https://www.veen.world).  
+Licensed under the [CyMaIS NonCommercial License (CNCL)](https://s.veen.world/cncl).

roles/web-app-roulette-wheel/TODO.md

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+- Optimize or implement alternative

roles/web-app-roulette-wheel/meta/main.yml

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+---
+galaxy_info:
+  author: "Kevin Veen-Birkenbach"
+  description: >
+    This role deploys and configures the Roulette Wheel application using Docker Compose.
+    It automates the process of pulling the latest source code from GitHub,
+    building a Docker image, and deploying the application.
+  license: "CyMaIS NonCommercial License (CNCL)"
+  license_url: "https://s.veen.world/cncl"
+  company: |
+    Kevin Veen-Birkenbach
+    Consulting & Coaching Solutions
+    https://www.veen.world
+  galaxy_tags:
+    - docker
+    - nodejs
+    - roulette
+    - application
+  repository: "https://s.veen.world/cymais"
+  issue_tracker_url: "https://s.veen.world/cymaisissues"
+  documentation: "https://s.veen.world/cymais"
+  logo:
+    class: "fa-solid fa-dice"
+dependencies:
+  - docker-compose

roles/web-app-roulette-wheel/tasks/main.yml

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+---
+- name: "include docker-compose role"
+  include_role: 
+    name: docker-compose
+
+- name: pull app repository
+  git:
+    repo: "https://github.com/kevinveenbirkenbach/roulette-wheel.git"
+    dest: "{{app_path}}"
+    update: yes
+  notify: docker compose up
+  become: true
+  ignore_errors: true

roles/web-app-roulette-wheel/templates/Dockerfile.j2

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+FROM node:latest
+WORKDIR /app
+COPY ./app/package.json ./
+RUN npm install
+COPY ./app/ ./
+RUN npm run build
+CMD ["npm", "run", "start"]

roles/web-app-roulette-wheel/templates/docker-compose.yml.j2

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+{% include 'roles/docker-compose/templates/base.yml.j2' %}
+    application:
+        container_name: roulette_application
+        build:
+            context: .
+        ports:
+        - 127.0.0.1:{{ports.localhost.http[application_id]}}:8080
+        restart: {{docker_restart_policy}}
+
+{% include 'roles/docker-compose/templates/networks.yml.j2' %}

roles/web-app-roulette-wheel/vars/configuration.yml

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+domains:
+  canonical:
+    - "wheel.{{ primary_domain }}"

roles/web-app-roulette-wheel/vars/main.yml

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+application_id: "roulette-wheel"
+app_path:       "{{docker_compose.directories.instance}}/app/"