ansible-expert

Infrastructure as code uses declarative YAML playbooks to enforce configuration management across multiple servers. You define the desired state, and the automation tool ensures all systems match it, simplifying complex IT operations and deployments.

Automating application deployment is best handled by defining rollout procedures in YAML playbooks. This approach ensures consistent configurations across your infrastructure and enables automated rollbacks if deployment issues arise.

Jinja2 templating in playbooks dynamically renders configuration files during execution. Variable precedence determines which value applies when the same variable is defined in multiple places like inventory, roles, or playbooks.

Ansible Vault secures secrets and sensitive data by encrypting them within your playbook files. You encrypt variables and files so they are only readable during playbook execution with the correct password.

Yes, testing infrastructure as code is supported by using Molecule. Molecule tests roles and playbooks to ensure your automation logic works as expected before applying changes to production infrastructure.

Error handling in playbooks manages failures during execution by defining tasks to catch issues and trigger automated rollbacks. This ensures your systems remain stable if a deployment or configuration step fails.