netbird server works now. linted the yml files

netbird/roles/caddy/defaults/main.yml

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+---
+caddy_container: caddy

netbird/roles/caddy/files/Caddyfile.j2

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+{{ netbird_domain }} {
+    @grpc header Content-Type application/grpc*
+    reverse_proxy @grpc h2c://netbird-server:80
+
+    @backend path /relay* /ws-proxy/* /api/* /oauth2/*
+    reverse_proxy @backend netbird-server:80
+
+    reverse_proxy /* netbird-dashboard:80
+}

netbird/roles/caddy/handlers/main.yml

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+---
+- name: Reload Caddy configuration
+  ansible.builtin.command: "docker exec -w /etc/caddy {{ caddy_container }} caddy reload"
+  listen: "Reload Caddy"
+  changed_when: true

netbird/roles/caddy/tasks/main.yml

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+---
+- name: Ensure 'caddy' container is connected to netbird_net
+  community.docker.docker_network:
+    name: netbird_net
+    state: present
+    connected:
+      - caddy
+    appends: true
+
+- name: Read current Caddyfile
+  ansible.builtin.slurp:
+    path: "/var/lib/caddy/conf/Caddyfile"
+  register: caddy_caddyfile_raw
+  ignore_errors: true
+
+- name: Decode Caddyfile content
+  ansible.builtin.set_fact:
+    caddy_caddyfile_content: "{{ caddy_caddyfile_raw['content'] | b64decode }}"
+
+- name: Read snippet from template file
+  ansible.builtin.set_fact:
+    caddy_netbird_caddy_snippet: "{{ lookup('template', 'files/Caddyfile.j2') }}"
+
+- name: Check if Netbird snippet already exists
+  ansible.builtin.set_fact:
+    caddy_snippet_present: "{{ caddy_netbird_caddy_snippet in caddy_caddyfile_content }}"
+
+- name: Add Netbird snippet to Caddyfile
+  ansible.builtin.blockinfile:
+    path: "/var/lib/caddy/conf/Caddyfile"
+    marker: "# {mark} Ansible managed Caddy snippet for Netbird"
+    block: "{{ caddy_netbird_caddy_snippet }}"
+    create: true
+    mode: "0644"
+  when: not caddy_snippet_present
+  notify: Reload Caddy