Add example role

roles/example/README.md

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+Sets up a hello world podman container. This role can be used as a template for other roles using the container role.

roles/example/meta/argument_specs.yml

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+---
+argument_specs:
+  main:
+    description: "Sets up a hello world podman container. This role can be used as a template for other roles using the container role."
+    options:
+      example_domains:
+        description: A list of domains the container should listen on
+        type: list
+        required: false
+        default: []
+        elements: str

roles/example/tasks/main.yml

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+---
+- name: Hello world container
+  ansible.builtin.include_role:
+    name: service
+  vars:
+    service_name: hello-world
+    service_container_image: "docker.io/library/hello-world:latest"
+    service_container_mounts:
+      - type: volume
+        source: config
+        destination: /config
+      - type: bind
+        source: /media/hello-world
+        destination: /media
+      - type: bind
+        source: /etc/locale.conf
+        destination: /etc/locale.conf
+        readonly: true
+    service_container_http_port: 8080
+    service_domains: "{{ example_domains }}"
+    service_container_publish_ports:
+      - "127.0.0.1:8080:8080"
+      - "0.0.0.0:4443:8043"
+    service_requires:
+      - network-online.target
+    service_container_env:
+      TZ: "Etc/UTC"
+    service_additional_containers:
+      name: worker
+      # image: "docker.io/library/hello-world:latest"
+      mounts: []
+      publish_ports: []
+      # env: {}