Terraform Workflow Basics
Answer: This Terraform command sets up your working directory and downloads provider plugins before you can plan or apply.
Question: What is terraform init?
Answer: This Terraform block type defines cloud infrastructure objects like VPCs, subnets, and EC2 instances.
Question: What is a resource block?
Answer: This command brings an existing AWS resource under Terraform management.
Question: What is terraform import?
Answer: This CLI command starts a speech-to-text job in AWS Transcribe.
Question: What is aws transcribe start-transcription-job?
Answer: In the Day 1 challenge, this route destination CIDR opened outbound internet access through the route table.
Question: What is 0.0.0.0/0?
Answer: This command checks Terraform configuration syntax and internal consistency without touching infrastructure.
Question: What is terraform validate?
Answer: In resource "aws_subnet" "troy_public_subnet", this part is the provider resource type.
Question: What is aws_subnet?
Answer: These Terraform constructs were highlighted in Week 7 for controlling multiple resources and behavior: count, for_each, depends_on, and this one.
Question: What is lifecycle?
Answer: This command checks the status/details of a specific transcription job.
Question: What is aws transcribe get-transcription-job?
Answer: This AWS resource attached to the VPC enables internet connectivity for public subnet routes.
Question: What is an Internet Gateway (aws_internet_gateway)?
Answer: This command previews infrastructure changes before they are made.
Question: What is terraform plan?
Answer: This block customizes deployments by letting you pass values like region and instance type.
Question: What is a variable block?
Answer: In the Lambda lab, this meta-argument ensures IAM policy attachment is completed before Lambda resources are created.
Question: What is depends_on?
Answer: This command creates a new S3 bucket in the labs, often with a dynamic name using $(whoami).
Question: What is aws s3 mb?
Answer: In the Day 4 Lambda lab, delayed IAM role propagation could make this Terraform command appear stuck on "Still creating..." even when resources were created.
Question: What is terraform apply?
Answer: This command actually creates or updates cloud resources based on your configuration.
Question: What is terraform apply?
Answer: This block exposes values such as an EC2 public IP after apply.
Question: What is an output block?
Answer: This block type fetches existing information from AWS instead of creating a new resource, such as AMI lookup patterns.
Question: What is a data block (data source)?
Answer: This command copies a local audio file into S3 for processing.
Question: What is aws s3 cp?
Answer: This CLI check was used during troubleshooting to confirm Lambda functions existed even if Terraform seemed hung.
Question: What is aws lambda list-functions --region us-east-1 | grep transcribe-demo?
Answer: This command removes the resources Terraform is managing for the current configuration.
Question: What is terraform destroy?
Answer: In the Week 7 EC2 challenge, this setting on the public subnet helps instances receive public IPs on launch.
Question: What is map_public_ip_on_launch = true?
Answer: After importing vocabulary/filter resources, this command should ideally show "No changes" if import/state alignment succeeded.
Question: What is terraform plan?
Answer: This command is used in Week 7 to execute a Lambda and write the response to a file (for example, response.json).
Question: What is aws lambda invoke?
Answer: In the Day 1 network build, this Terraform resource links a subnet to a route table.
Question: What is aws_route_table_association?