Terraform is infrastructure as code tool that is used to define cloud resources and on-premises resources as configuration files that is understandable by human that can be versioned, reuse and shared. It manages an application’s underlying IT infrastructure through programming. It is written in Go programming language.

2) One example terraform program

provider “github” {

token=”github personal access token XXXXXXX”

}

resource “github_repository” “example” {
name = “example”
description = “My awesome codebase”

visibility = “public”
}

3) List of 5 terraform commands and its use

1. Terraform apply – it executes the actions proposed in a terraform plan.
2. Terraform plan – creates an execution plan, which let’s us to preview the changes that terraform plans to make to your infrastructure.
3. Terraform init – it is used to initialize a working directory containing configuration files.
4. Terraform destroy – terminates resources defined in terraform configuration.
5. Terraform show – used to provide human readable output from a state or plan file.

2. Container is basically a fully independent application runtime environment. The isolated and secure environment allows you to run many containers simultaneously on a given host. Containers are lightweight and contain everything needed to run the application, so you do not need to rely on what is currently installed on the host. You can easily share containers while you work, and be sure that everyone you share with gets the same container that works in the same way. environment. A container is a runnable instance of a docker image.

3. I) Mobility – Ability to Run Anywhere, i.e Platform Independent
II) Cost-effectiveness with Fast Deployment, decreases deployment times to seconds
III) Consistent and Isolated Environment
IV) Scalability
V) Maintainability

4.
docker pull httpd – pulls httpd docker image from docker hub
docker ps -a – display all containers status
docker create httpd – creates a httpd container
docker start …. – starts a container
docker stop …. – stops a container
docker restart … – restarts a continer
docker pause … – pause container
docker unpause … – unpauses a container
docker rm … – deletes a container
docker exec -it … ls – lists filesystem inside the container
docker exec -it … bash – create a new bash session inside container.

2. Speed of deployment increases
Easy to spot faults
Lower development, maintenance and time costs
Maintains office morality
Improvement in the customer experience
Increase in delivering values
Problem-solving programming
Reduction in risk
Time for creativity

3.

4.

Firstly we need to implement a culture shift in the workflow/place to implement DevOps.
Then create a CI/CD platform. (Continuous Integration and contin. Delivery)
Establish continuous testing and then continuous deployment
then continuous monitoring.