Java Brains

An analogy for understanding Terraform

Audience question on scope of Terraform

What is Terraform

Audience questions on scaling infrastructure with Terraform

Understanding state

Installing Terraform

Installation walkthrough on Windows

Authenticating with AWS

Your first Terraform code

Running Teraform plan and apply

Audience question - Why does apply run plan again

Verifying and destroying a resource

Using a plan out file

Creating an S3 bucket

Resource names and updates

Updates vs create and delete

Using the VS Code terraform extension

Recap of the syntax and flow

Downloaded provider files

The tfstate file

The Terraform lock file and locking versions

The Terraform block

HCL syntax essentials and formatting

AWS VPC and a usecase for variables

Input variables

Supplying values to input variables

A web app on EC2 with security groups

Using output variables

Variables best practices

String interpolation

Variable data types and example

Local variables

Audience question Terraform with CICD

Looping

The count property and using index

Data variables

Implicit and explicit resource dependencies

Using terraform graph

Real world Terraform

Using Terraform workspaces

Writing code based on workspaces

Remote backend and locking with Terraform

Creating a Terraform module

Passing input values to modules

Using modules from Terraform registry

Wrap up and next steps