web_install.yml

---
- name: update
  hosts: all
  gather_facts: false
  tasks:
  - name: Update
    dnf:
      update_only: yes
      update_cache: yes

- name: Install Apache on web and start service
  hosts: web
  gather_facts: false
  tasks: 
    - name: Install Apache
      dnf:
        name: httpd
        state: latest
    - name: Start Apache service
      systemd: 
        name: httpd
        state: started
    - name: Open TCP 80 and 443
      firewalld:
        service: "{{ item }}"
        permanent: yes
        state: enabled
        immediate: yes
      loop: 
        - http
        - https

- name: Install MySQL and start service
  hosts: db
  gather_facts: false
  tasks: 
    - name: Install MySQL
    dnf: 
      name: mysql-server
      state: latest
    - name: Start MySQL service
      systemd: 
        name: mysqld
        state: started
        enabled: yes
...