[UNTESTED] added ansible basics

.gitignore

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 /.env
+/ansible/inventory.ini
 /data

ansible/ansible.cfg

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+[defaults]
+nocows = True
+inventory = ./inventory.ini
+interpreter_python = auto_silent

ansible/example.inventory.ini

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+[gitea]
+192.168.1.10 ansible_user=root

ansible/main.yml

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+---
+- hosts: all
+  become: true
+  tasks:
+    - name: Setup Linux user and group
+      import_tasks: tasks/user.yml

ansible/tasks/user.yml

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+---
+- name: Ensure a Linux group "git" exists
+  ansible.builtin.group:
+    state: present
+    name: git
+    system: no
+    uid: "{{ GIT_USER_GID }}"
+- name: Ensure a Linux user "git" exists
+  ansible.builtin.user:
+    state: present
+    name: git
+    group: git
+    password: "!"
+    comment: "Gitea"
+    system: no
+    uid: "{{ GIT_USER_UID }}"
+    create_home: no
+    generate_ssh_key: yes
+    ssh_key_bits: 4096
+    ssh_key_comment: "Gitea Host Key"