Added semaphore docker stack

ansible-playbooks/common/update-release.yml

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+# command: ansible-playbook -i common/config.ini common/update-release.yml
+---
+- name: Upgrade Ubuntu to next release
+  hosts: workload-hosts, k3s-hosts
+  become: true
+  tasks:
+    - name: Ensure update-manager-core is installed
+      ansible.builtin.apt:
+        name: update-manager-core
+        state: present
+
+    - name: Update all current packages to latest version
+      ansible.builtin.apt:
+        update_cache: yes
+        upgrade: dist
+
+    - name: Check if a reboot is required before upgrading
+      ansible.builtin.stat:
+        path: /var/run/reboot-required
+      register: reboot_required_pre
+
+    - name: Reboot if required before major upgrade
+      ansible.builtin.reboot:
+      when: reboot_required_pre.stat.exists
+
+    - name: Run do-release-upgrade non-interactively
+      ansible.builtin.shell: do-release-upgrade -f DistUpgradeViewNonInteractive
+      async: 3600  # Sets timeout to 1 hour
+      poll: 60     # Checks status every 60 seconds
+      register: upgrade_output
+
+    - name: Reboot the server after successful upgrade
+      ansible.builtin.reboot:
+      when: upgrade_output is succeeded

docker-stacks/app-server/semaphore.yml

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+services:
+  semaphore:
+    image: semaphoreui/semaphore:latest
+    container_name: semaphore
+    restart: unless-stopped
+    ports:
+      - "{PORT}:3000"
+    environment:
+      SEMAPHORE_DB_USER: {SEMAPHORE_DB_USER}
+      SEMAPHORE_DB_PASS: {SEMAPHORE_PASSWORD}
+      SEMAPHORE_DB_HOST: {SEMAPHORE_DB_HOST}
+      SEMAPHORE_DB_PORT: 5432
+      SEMAPHORE_DB_DIALECT: postgres
+      SEMAPHORE_DB: {SEMAPHORE_DB_NAME}
+      
+      SEMAPHORE_ADMIN: {SEMAPHORE_ADMIN_USERNAME}
+      SEMAPHORE_ADMIN_PASSWORD: {SEMAPHORE_ADMIN_PASSWORD}
+      SEMAPHORE_ADMIN_NAME: Administrator
+      SEMAPHORE_ADMIN_EMAIL: {SEMAPHORE_ADMIN_EMAIL}
+      
+      SEMAPHORE_ACCESS_KEY_ENCRYPTION: {SEMAPHORE_ACCESS_KEY_ENCRYPTION}
+      
+    volumes:
+      - /tmp/semaphore:/tmp/semaphore