I’m trying the ‘create a nextjs app’ example. I’m on Mac, using AWS SSO with no default profile. I can successfully run:

AWS_PROFILE=uat npx sst start

I then go into the

frontend

directory to try and run the nextjs front end using

npm run dev

(which is mapped as follows in package.json

"dev": "sst-env -- next dev"

) Which works fine, but when I load the page in a browser and click on the button wired up to an nextjs api function that calls DynamoDB via the AWS SDK I get this error after ~20 seconds:

“CredentialsError”,“message”:“Missing credentials in config, if using AWS_CONFIG_FILE, set AWS_SDK_LOAD_CONFIG=1”

Any ideas on what I can try? I’m not clear how the AWS SDK in the API function gets it’s AWS credentials information.

Can I see how you're initializing aws in frontend?

Hi @manitej I’m using this from the example to create a new DynamoDB client in the API function (from the example here)

import AWS from "aws-sdk";

const dynamoDb = new AWS.DynamoDB.DocumentClient({
  region: process.env.REGION,
});

And I don’t have a

.env

in that frontend folder or in that api folder.

Got it. I think you haven't installed aws cli locally. Follow this guide https://serverless-stack.com/chapters/configure-the-aws-cli.html

I have the awscli locally:

aws --version

aws-cli/2.4.16 Python/3.9.10 Darwin/21.1.0 source/arm64 prompt/off

Run these with your details

$ export AWS_ACCESS_KEY_ID="your_key_id"
$ export AWS_SECRET_ACCESS_KEY="your_secret_key"

Thanks @manitej, I really appreciate your help. I went over the sample again and it’s now working.

happy to help @Benjamin Mitchell 🙂

@Benjamin Mitchell what version of sst were you using

SST: 0.63.0

but I think it may have been user-error on my side that caused my initial problem; when I copied the files over again I was able to get the frontend to connect to the API and the DynamoDB without issue.