In Chapter 3, Treating Your Infrastructure as Code, we familiarized ourselves with AWS CloudFormation and Ansible. We created a CloudFormation template to create an EC2 environment and deployed a HelloWorld web application on it. Taking a step further in the world of automation, we then introduced the Ansible configuration management tool. We learnt about how Ansible takes care of application deployment and orchestration so that CloudFormation templates remain neat and confined until provisioning. This approach is well accepted by the tech giants as far as the AWS cloud is concerned, but when we talk about heterogeneous environments where we have multiple cloud platforms such as AWS, Azure, Google cloud, OpenStack, and VMware then CloudFormation service, as it is a AWS-native service, is not applicable.
Hence, we need an alternative...
