feat: Implement Ansible for Proxmox VM management and refactor Mastodon Docker Compose, removing outdated service definitions.

ansible/playbooks/create_ubuntu_template.yml

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+---
+- name: Create Ubuntu Cloud-Init Template
+  hosts: proxmox
+  become: yes
+  vars:
+    template_id: 9000
+    template_name: ubuntu-2204-cloud
+    # URL for Ubuntu 22.04 Cloud Image (Jammy)
+    image_url: "https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img"
+    image_name: "ubuntu-22.04-server-cloudimg-amd64.img"
+    storage_pool: "local-lvm"
+    memory: 2048
+    cores: 2
+    
+  tasks:
+    - name: Check if template already exists
+      command: "qm status {{ template_id }}"
+      register: vm_status
+      failed_when: false
+      changed_when: false
+
+    - name: Fail if template ID exists
+      fail:
+        msg: "VM ID {{ template_id }} already exists. Please choose a different ID or delete the existing VM."
+      when: vm_status.rc == 0
+
+    - name: Download Ubuntu Cloud Image
+      get_url:
+        url: "{{ image_url }}"
+        dest: "/tmp/{{ image_name }}"
+        mode: '0644'
+
+    - name: Install libguestfs-tools (required for virt-customize if needed, optional)
+      apt:
+        name: libguestfs-tools
+        state: present
+      ignore_errors: yes
+
+    - name: Create VM with hardware config
+      command: >
+        qm create {{ template_id }}
+        --name "{{ template_name }}"
+        --memory {{ memory }}
+        --core {{ cores }}
+        --net0 virtio,bridge=vmbr0
+        --scsihw virtio-scsi-pci
+        --ostype l26
+        --serial0 socket --vga serial0
+
+    - name: Import Disk
+      command: "qm importdisk {{ template_id }} /tmp/{{ image_name }} {{ storage_pool }}"
+
+    - name: Attach Disk to SCSI
+      command: "qm set {{ template_id }} --scsi0 {{ storage_pool }}:vm-{{ template_id }}-disk-0"
+
+    - name: Add Cloud-Init Drive
+      command: "qm set {{ template_id }} --ide2 {{ storage_pool }}:cloudinit"
+
+    - name: Set Boot Order
+      command: "qm set {{ template_id }} --boot c --bootdisk scsi0"
+
+    - name: Resize Disk (Optional, e.g. 10G)
+      command: "qm resize {{ template_id }} scsi0 10G"
+      ignore_errors: yes
+
+    - name: Convert to Template
+      command: "qm template {{ template_id }}"
+
+    - name: Remove Downloaded Image
+      file:
+        path: "/tmp/{{ image_name }}"
+        state: absent

ansible/playbooks/manage_vm.yml

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+---
+- name: Manage Proxmox VMs
+  hosts: "{{ target_host | default('proxmox') }}"
+  become: yes
+  roles:
+    - proxmox_vm