In this session I explain terraform concepts from scratch and create an Instance in civo cloud using their terraform provider. Youtube link - https://youtu.be/avxRTZRvJlA

1. TERRAFORM
Twitter - @saiyampathak
Blog – https://medium.com/@saiyampathak
CKA/CKAD
CNCF Ambassador
Docker Community Leader
Rancher and Influx Bangalore Meetup Organizer
Influx ACE
Rancher ranchhands member
Kubernetes Member
Youtube - https://www.youtube.com/channel/UCi-1nnN0eC9nRleXdZA6ncg

2. Different
ways to
provision
Infrastructure
• Cloud provider UI
• Cloud provisioning tools (google deployment manager)
• Terraform
• Other Tools (chef, puppet, ansible) – not built with purpose to
build infra

3. Terraform
Infrastructure as Code –
IAC
Provision infrastructure
using human and machine
readable code(docs)
Coded workflow Change/Update
Infrastructure
Plan before applying Reusability

4. TERRAFORM
- Open Source
- Single binary
- Easy to Install
- Easy to learn
- Cross platform
Installation : download the binary
https://www.terraform.io/downloads.html
Unzip > make it executable > verify by terraform –version
Terraform Language
HCL2 – HashiCorp Configuration Language
https://github.com/hashicorp/hcl2

5. Basic Terraform Commands
• terraform version
• terraform help
• terraform init
• terraform plan
• terraform apply
• terraform destroy

6. Terraform Directory Structure
Terrafrom Folder
|-- *.tf or *.tfvars files
• main.tf
• variables.tf
• outputs.tf

7. Variables
File – variable.tf
Ways to set variable:
- Command Line
- Configuration file (terraform.tfvars)
- Environment variable
- Default – (default in variables.tf)
- Manual entry

8. Terraform Provider
Native providers
Custom Providers

9. Terrraform apply and Destory
Terraform apply - check the state and apply the infrastructure
Terraform destroy – destroy the resources in the tf file