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Terraform Not Recognizing Updated Local File for AWS Lambda Function Code

👀 Views: 54 đŸ’Ŧ Answers: 1 📅 Created: 2025-06-18
aws terraform lambda Terraform

Could someone explain Can someone help me understand I'm encountering an issue where Terraform does not seem to recognize changes made to the local file containing the code for my AWS Lambda function. I'm using Terraform version 1.3.5 and the AWS provider version 3.63.0. After making updates to `lambda_function.py`, I run `terraform apply`, but there are no changes detected in the plan. Here's the relevant code snippet from my Terraform configuration: ```hcl resource "aws_lambda_function" "my_lambda" { function_name = "my_lambda_function" runtime = "python3.8" role = aws_iam_role.lambda_exec.arn handler = "lambda_function.lambda_handler" source_code_hash = filebase64sha256("lambda_function.py") } ``` The `source_code_hash` is derived directly from the content of `lambda_function.py`, and I confirmed that the file updates are being saved. However, Terraform still shows the output as no changes required when I check the plan. I'm also using a local state file. To troubleshoot, I tried the following: 1. Running `terraform fmt` to ensure formatting is correct. 2. Deleting the `.terraform` directory and reinitializing with `terraform init`. 3. Manually changing the `source_code_hash` to a random string to see if it triggers an update, which it did, but that's not a sustainable solution. I also verified permissions for the local file and ensured no caching issues were present. It seems like Terraform isn't picking up on the file changes as it should. Is there something I'm missing here that would prevent the local file from being recognized as changed? Any guidance would be much appreciated! I'd love to hear your thoughts on this. Is there a better approach?