playbook.xml

---
- hosts: ubuntu
  become: yes
  tasks:
    - name: Update and upgrade apt packages
      apt:
        upgrade: yes
        update_cache: yes

    - name: Install required packages
      apt:
        name:
        - python3-pip
        - python3-dev
        - libpq-dev
        - postgresql
        - nginx
        state: present

    - name: Install virtualenv via pip
      pip:
        name: virtualenv
        state: present

    - name: Install Django and Django REST Framework
      pip:
        name:
        - django
        - djangorestframework
        state: present
        virtualenv: /opt/venv
        virtualenv_python: python3

    - name: Ensure database is created
      postgresql_db:
        name: mydatabase

    - name: Ensure user has access to the database
      postgresql_user:
        db: mydatabase
        name: myuser
        password: secretpass
        priv: ALL

    - name: Start and enable Nginx
      service:
        name: nginx
        state: started
        enabled: yes

    - name: Remove default nginx config
      file:
        path: /etc/nginx/sites-enabled/default
        state: absent

    - name: Deploy Nginx config
      copy:
        src: /path/to/your/nginxconfig
        dest: /etc/nginx/sites-available/myapp
        mode: 0644

    - name: Enable Nginx configuration
      file:
        src: /etc/nginx/sites-available/myapp
        dest: /etc/nginx/sites-enabled/myapp
        state: link

    - name: Restart Nginx
      service:
        name: nginx
        state: restarted
...