- name: setting up user
  hosts: server
  become: true
  tasks:

    - name: creating user
      ansible.builtin.user:
        name: user
        create_home: yes
        shell: /bin/bash

    - name: making .ssh directory
      ansible.builtin.file:
        path: /home/user/.ssh
        owner: user
        group: user
        state: directory

    - ansible.posix.authorized_key:
        user: user
        key: "{{ lookup('file', '/path/2/key.pub') }}"
        state: present