$ -weight: 500;">pip -weight: 500;">install ansible -weight: 500;">pip -weight: 500;">install ansible -weight: 500;">pip -weight: 500;">install ansible # deploy.yml - hosts: webservers become: yes tasks: - name: Install Nginx -weight: 500;">apt: name: nginx state: present - name: Copy site config template: src: nginx.conf.j2 dest: /etc/nginx/sites-available/default notify: Restart Nginx - name: Deploy app -weight: 500;">git: repo: https://github.com/myorg/myapp.-weight: 500;">git dest: /var/www/myapp version: main handlers: - name: Restart Nginx -weight: 500;">service: name: nginx state: restarted # deploy.yml - hosts: webservers become: yes tasks: - name: Install Nginx -weight: 500;">apt: name: nginx state: present - name: Copy site config template: src: nginx.conf.j2 dest: /etc/nginx/sites-available/default notify: Restart Nginx - name: Deploy app -weight: 500;">git: repo: https://github.com/myorg/myapp.-weight: 500;">git dest: /var/www/myapp version: main handlers: - name: Restart Nginx -weight: 500;">service: name: nginx state: restarted # deploy.yml - hosts: webservers become: yes tasks: - name: Install Nginx -weight: 500;">apt: name: nginx state: present - name: Copy site config template: src: nginx.conf.j2 dest: /etc/nginx/sites-available/default notify: Restart Nginx - name: Deploy app -weight: 500;">git: repo: https://github.com/myorg/myapp.-weight: 500;">git dest: /var/www/myapp version: main handlers: - name: Restart Nginx -weight: 500;">service: name: nginx state: restarted ansible-playbook -i inventory.ini deploy.yml ansible-playbook -i inventory.ini deploy.yml ansible-playbook -i inventory.ini deploy.yml # inventory.ini [webservers] web1.example.com web2.example.com [databases] db1.example.com # inventory.ini [webservers] web1.example.com web2.example.com [databases] db1.example.com # inventory.ini [webservers] web1.example.com web2.example.com [databases] db1.example.com - Agentless (uses SSH) - YAML-based playbooks - 3,000+ modules (packages, files, services, cloud, etc.) - Idempotent (safe to run multiple times) - Inventory management - Roles and Galaxy (reusable components) - Vault (encrypted secrets) - Free and open source