Ansible: Add user to the server

adduser.yml

---
 - name: Creating new user
   user:
     name: <username>
     group: <groupname>
     state: present
     shell: /bin/bash #default shell 
     home: <path_to_home> #example /home/username
     #if we donot want home directory to be created,then use createhome: no
     password: "{{ lookup('env', 'PASSWD') }}" #set the password for the user

 - name: adding keys to the server
   authorized_key:
     user: <username>
     key: "{{ lookup('file', 'path_to/.ssh/id_rsa.pub') }}"