On Demand Agility Software Devops Engineer Interview Questions and Answers

To setup infra through terraform in AWS, follow these steps:

• Create an AWS account and configure AWS CLI

• Write Terraform code to define infrastructure resources

• Initialize Terraform and create an execution plan

• Apply the execution plan to create the infrastructure

• Verify the infrastructure is created as expected

Dockerfile for a Node.js application

• Use a base image of Node.js

• Copy package.json and install dependencies

• Copy application code

• Expose the port used by the application

• Set the command to start the application

Log files can be transferred to AWS S3 using various methods.

• Use AWS CLI to transfer log files to S3

• Use AWS SDK to transfer log files to S3

• Use AWS Data Pipeline to transfer log files to S3

• Use AWS Lambda to transfer log files to S3

• Use third-party tools like Logstash or Fluentd to transfer log files to S3