feat: add dockcheck cron job for container update notifications

- Install dockcheck.sh script in user's .local/bin directory
- Create notification templates directory with notify_v2.sh and notify_gotify.sh
- Configure Gotify notifications for container update alerts
- Add minimal config with DontUpdate=true (notification only)
- Exclude authentik-postgresql-1 and dawarich_redis from checks
- Schedule daily cron job at 8:00 AM as phil user
- Add dockcheck Gotify token to vault secrets

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

roles/cron/tasks/main.yml

@@ -16,3 +16,75 @@
     hour: "9"
     user: root
     job: "/usr/local/bin/update_warhammer_feed.sh"
+
+# Create .local/bin directory for phil user
+- name: Ensure .local/bin directory exists for phil
+  file:
+    path: /home/phil/.local/bin
+    state: directory
+    mode: '0755'
+    owner: phil
+    group: phil
+
+# Install dockcheck script in phil's .local/bin
+- name: Download dockcheck.sh script
+  get_url:
+    url: https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh
+    dest: /home/phil/.local/bin/dockcheck.sh
+    mode: '0755'
+    owner: phil
+    group: phil
+
+# Create .config directory for phil user
+- name: Ensure .config directory exists for phil
+  file:
+    path: /home/phil/.config
+    state: directory
+    mode: '0755'
+    owner: phil
+    group: phil
+
+# Create notify_templates directory alongside dockcheck.sh
+- name: Ensure notify_templates directory exists in .local/bin
+  file:
+    path: /home/phil/.local/bin/notify_templates
+    state: directory
+    mode: '0755'
+    owner: phil
+    group: phil
+
+# Download notify_v2.sh script for dockcheck notifications
+- name: Download notify_v2.sh script
+  get_url:
+    url: https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_v2.sh
+    dest: /home/phil/.local/bin/notify_templates/notify_v2.sh
+    mode: '0755'
+    owner: phil
+    group: phil
+
+# Download notify_gotify.sh script for dockcheck notifications
+- name: Download notify_gotify.sh script
+  get_url:
+    url: https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_gotify.sh
+    dest: /home/phil/.local/bin/notify_templates/notify_gotify.sh
+    mode: '0755'
+    owner: phil
+    group: phil
+
+# Template dockcheck configuration file
+- name: Template dockcheck configuration
+  template:
+    src: dockcheck.config.j2
+    dest: /home/phil/.config/dockcheck.config
+    mode: '0644'
+    owner: phil
+    group: phil
+
+# Create cron job for dockcheck as phil user
+- name: Create cron job for dockcheck container updates
+  cron:
+    name: "Check Docker container updates"
+    minute: "0"
+    hour: "8"
+    user: phil
+    job: "/home/phil/.local/bin/dockcheck.sh"

roles/cron/templates/dockcheck.config.j2

@@ -0,0 +1,16 @@
+# Dockcheck Configuration - Check only, no updates
+# Don't update, just check for updates
+DontUpdate=true
+
+# Enable notifications
+Notify=true
+
+# Exclude containers from checking
+Exclude="authentik-postgresql-1,dawarich_redis"
+
+# Notification channels
+NOTIFY_CHANNELS="gotify"
+
+# Gotify notification configuration
+GOTIFY_DOMAIN="https://{{ subdomains.gotify }}"
+GOTIFY_TOKEN="{{ vault_dockcheck.gotify_token }}"