Terraform syllabus

1. Introduction to terraform

a) Key concepts:

What is IAC?
What are the benefits of IAC?
What is Terraform?
Who is the vendor of terraform?
How do you write terraform configuration files?

b) How to install terraform:

What are the prerequisites for using terraform?
How to install terraform on MACOS / Windows using brew /choco
How to install Vscode
How to install AWS CLI
How to configure AWS credentials

2. Command basics:

a) Terraform workflow:

What is terraform workflow?
terraform init
terraform validate
terraform fmt
terraform plan
terraform apply
terraform destroy

b) Passing credentials to terraform workflow:

Static credentials
Environmental variables
Shared credential / configuration files.

c) Projects

3. Language syntax:

a) What are terraform top level blocks?

Terraform settings block
Provider block
Resource block
Variables block
Output block
Locals block
Data block
Modules block
Moved block
Import block

b) What makes up a terraform block?

Arguments
Expressions
Attributes
Meta-arguments

c) Projects

4. Settings

a) Set up for basic resource creation

Set up terraform settings block
Set up provider block
Set up resource block
Set up file function for user data

b) Projects

5. Variables and data sources

a) Use of variables to make code reusable

What are variables?
Variable types
How to reference variables from lists and maps
Variable files

b) Data sources

What are data sources
How are data sources used?

6. Meta arguments

Terraform functions
Count
for Loops over lists and maps
for_each loops over sets and maps
dynamic blocks using for_each loops
Conditionals using ternary operator

7. Modules and provisioners

a) Modules

What are modules?
Custom modules
Official modules

b) Provisioners

File
Remote exec
Local exec
Null resource

8. Terraform Backend

Local backend
Remote backend
State storage using s3
DynamoDb state locking

9. Local and Remote state data sources

Remote state data source
local state data source

10. Terraform best practices && Interview question