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Troubleshooting Terraform Output Errors

Hey there, Gurus! Welcome to the lab! This lab will demonstrate how to troubleshoot Terraform output errors. We will go through the different stages of deployment to try and deploy our configuration, and work through the output errors until we have successfully deployed our resources.

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Lab Info
Level
Intermediate
Last updated
Oct 12, 2025
Duration
30m

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Table of Contents
  1. Challenge

    Validate Your Code
    1. In the terminal, once logged in to your instance, change to the terraform directory.
    2. In the terraform directory, edit the main.tf file and add in your ami ,subnet_id, and vpc from the resource_ids.txt file.
    3. Run the terraform fmt command.
    4. Initialize your working directory.
    5. If initialization is successful, then validate your code.
  2. Challenge

    Fix the Output Errors
    1. After running the terraform validate command, you should get an error. Read the error and go to each line in the outputs.tf file where the error is.
    2. Fix each output error that you get.
    3. Check the formatting, then validate your code again. If the error is fixed, move on to the next step in your deployment.
  3. Challenge

    Deploy Your Resources
    1. Once you have worked past the error, successfully validated your code, and ran the plan command, then deploy your resources.
    2. The lab is complete when you have successfully deployed your infrastructure.
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