# Serverless Architectures **URL:** https://forum.serverless.com/c/serverless-architectures/6.md [Latest](https://forum.serverless.com/latest.md) · [Categories](https://forum.serverless.com/categories.md) · [Tags](https://forum.serverless.com/tags.md) --- ## [About the Serverless Architectures category](https://forum.serverless.com/t/about-the-serverless-architectures-category/19)
**Author:** [@services](https://forum.serverless.com/u/services)\ **Replies:** 0
Welcome! This category is for all discussion related to the Serverless Architectures, whether it be a support request, feedback, etc. Use our tags to help describe your post. If your question is specific to a serv… --- ## [InvalidSignatureException after upgrade NodeJS 20 to 22 in AWS lambda](https://forum.serverless.com/t/invalidsignatureexception-after-upgrade-nodejs-20-to-22-in-aws-lambda/21476)
**Author:** [@ThangBui2703](https://forum.serverless.com/u/ThangBui2703)\ **Replies:** 1\ **Last updated:** [February 5, 2026, 4:27pm UTC](https://forum.serverless.com/t/invalidsignatureexception-after-upgrade-nodejs-20-to-22-in-aws-lambda/21476 "2026-02-05T16:27:42Z")
Hi everyone, I am facing with problem when upgrade to nodeJS 22 that i have a lambda call to another lambda via axios, the error send back with error 502, when i check the cloud watch in lambda receive call it throw erro… --- ## [Setting up a NestJS project for AWS Lambda?](https://forum.serverless.com/t/setting-up-a-nestjs-project-for-aws-lambda/19571)
**Author:** [@Repox](https://forum.serverless.com/u/Repox)\ **Replies:** 2\ **Last updated:** [January 2, 2026, 3:38pm UTC](https://forum.serverless.com/t/setting-up-a-nestjs-project-for-aws-lambda/19571 "2026-01-02T15:38:22Z")
Hi everyone. I was looking at the following tutorial: AWS Nest application example (NodeJS & Typescript) It seems to me that some quite essential parts are skipped for me to learn this. The tutorial states that I shou… --- ## [What are the core features needed in the invoice software development?](https://forum.serverless.com/t/what-are-the-core-features-needed-in-the-invoice-software-development/21135)
**Author:** [@Suheb](https://forum.serverless.com/u/Suheb)\ **Replies:** 1\ **Last updated:** [December 13, 2025, 11:14am UTC](https://forum.serverless.com/t/what-are-the-core-features-needed-in-the-invoice-software-development/21135 "2025-12-13T11:14:08Z")
what core feature will used for invoice software development --- ## [How do you configure your Serverless setup, Github and AWS such that you are secure from 3rd party developers](https://forum.serverless.com/t/how-do-you-configure-your-serverless-setup-github-and-aws-such-that-you-are-secure-from-3rd-party-developers/21099)
**Author:** [@random1077](https://forum.serverless.com/u/random1077)\ **Replies:** 1\ **Last updated:** [November 11, 2025, 7:41pm UTC](https://forum.serverless.com/t/how-do-you-configure-your-serverless-setup-github-and-aws-such-that-you-are-secure-from-3rd-party-developers/21099 "2025-11-11T19:41:21Z")
tldr: Can I set up dev/staging/prod in a way that secures my code? I am fortunate to have a very talented off shore developer but he is in a part of the world where we need to be careful. It’s not a reflection on him b… --- ## [Ingestion \.json.gz with 1m records](https://forum.serverless.com/t/ingestion-id-json-gz-with-1m-records/19043)
**Author:** [@georgelza](https://forum.serverless.com/u/georgelza)\ **Replies:** 4\ **Last updated:** [October 15, 2025, 9:58am UTC](https://forum.serverless.com/t/ingestion-id-json-gz-with-1m-records/19043 "2025-10-15T09:58:14Z")
Hi all Looking for some suggestions. I have a .json.gz file inbound, comprised out of an array, 1M records/documents. I need to decompose the array into it’s individual documents, was looking at awswranger, but that s… --- ## [Issue building locally on Mac architecture for AWS Linux](https://forum.serverless.com/t/issue-building-locally-on-mac-architecture-for-aws-linux/20201)
**Author:** [@jeromecovington](https://forum.serverless.com/u/jeromecovington)\ **Replies:** 1\ **Last updated:** [September 21, 2025, 5:43pm UTC](https://forum.serverless.com/t/issue-building-locally-on-mac-architecture-for-aws-linux/20201 "2025-09-21T17:43:31Z")
I can run my lambda locally using serverless offline but if I build it locally with yarn build and then deploy using serverless deploy I encounter an error in my logs when requesting the endpoint. The error I see is: “e… --- ## [AWS Lambda (Serverless) vs. Elastic Kubernetes Service](https://forum.serverless.com/t/aws-lambda-serverless-vs-elastic-kubernetes-service/18047)
**Author:** [@IrshadAhmad](https://forum.serverless.com/u/IrshadAhmad)\ **Replies:** 1\ **Last updated:** [July 28, 2025, 10:56am UTC](https://forum.serverless.com/t/aws-lambda-serverless-vs-elastic-kubernetes-service/18047 "2025-07-28T10:56:51Z")
I have got a scenario for Product Service in a typical eCommerce cloud based application on AWS using say .Net 6 Microservices (we can use other tech stack also), which has to provide some required business functions suc… --- ## [Is cnc intelligence legit](https://forum.serverless.com/t/is-cnc-intelligence-legit/18425)
**Author:** [@abigailmetcalfe](https://forum.serverless.com/u/abigailmetcalfe)\ **Replies:** 1\ **Last updated:** [July 28, 2025, 10:55am UTC](https://forum.serverless.com/t/is-cnc-intelligence-legit/18425 "2025-07-28T10:55:56Z")
Hi, is CNC intelligence legit? They have claimed their business profile and they currently have 4.49 stars out of 5 based on 180 reviews. --- ## [How to call an LLM API from AWS Lambda without wasting time on waiting for the response](https://forum.serverless.com/t/how-to-call-an-llm-api-from-aws-lambda-without-wasting-time-on-waiting-for-the-response/21230)
**Author:** [@Birowsky](https://forum.serverless.com/u/Birowsky)\ **Replies:** 0\ **Last updated:** [June 1, 2025, 2:39pm UTC](https://forum.serverless.com/t/how-to-call-an-llm-api-from-aws-lambda-without-wasting-time-on-waiting-for-the-response/21230 "2025-06-01T14:39:16Z")
My goal is to come up with an optimal LLM API vendor workflow for my serverless application. Considering that my lambdas are my application layer, calling an LLM API from a lambda causes the lambda to sit idle, wasting … --- ## [Enabling XRay Tracing via serverless](https://forum.serverless.com/t/enabling-xray-tracing-via-serverless/13256)
**Author:** [@berimbolo](https://forum.serverless.com/u/berimbolo)\ **Replies:** 3\ **Last updated:** [April 16, 2025, 10:35pm UTC](https://forum.serverless.com/t/enabling-xray-tracing-via-serverless/13256 "2025-04-16T22:35:56Z")
Hi, I am trying to enable X-Ray tracing for both API Gateway and Lambda using the following in my serverless.yml: tracing: lambda: true apiGateway: true The lambda entry works but the apiGateway option never … --- ## [How to Structure Serverless Framework Applications?](https://forum.serverless.com/t/how-to-structure-serverless-framework-applications/19842)
**Author:** [@ujjwal](https://forum.serverless.com/u/ujjwal)\ **Replies:** 1\ **Last updated:** [December 5, 2024, 11:58am UTC](https://forum.serverless.com/t/how-to-structure-serverless-framework-applications/19842 "2024-12-05T11:58:04Z")
So, I’m new to serveless and have been trying to create a serverless backend for my project and scratching my head over the best way to organize things. Initially, I thought of laying it out like this: |--src | |--a… --- ## [Missing credentials in config in Lambda](https://forum.serverless.com/t/missing-credentials-in-config-in-lambda/18847)
**Author:** [@damianlluch](https://forum.serverless.com/u/damianlluch)\ **Replies:** 1\ **Last updated:** [November 19, 2024, 1:02pm UTC](https://forum.serverless.com/t/missing-credentials-in-config-in-lambda/18847 "2024-11-19T13:02:44Z")
Hello, I have a problem with a project with nestJS architecture and serverless, if someone has happened and can help me. I have an endpoint in a lambda that communicates with a sqs queue. I have the IAM permission defin… --- ## [Migrate from Lambda to container based architecture](https://forum.serverless.com/t/migrate-from-lambda-to-container-based-architecture/19117)
**Author:** [@alper](https://forum.serverless.com/u/alper)\ **Replies:** 2\ **Last updated:** [November 18, 2024, 12:48pm UTC](https://forum.serverless.com/t/migrate-from-lambda-to-container-based-architecture/19117 "2024-11-18T12:48:45Z")
Hey, Anybody have stories they’ve seen or stories they can share of people migrating away from AWS Lambda to a container based architecture? I’d be very interested to see the difficulty, duration and benefits associate… --- ## [Lambda in localstack community doesn't get triggered](https://forum.serverless.com/t/lambda-in-localstack-community-doesnt-get-triggered/20554)
**Author:** [@bruno.taboada](https://forum.serverless.com/u/bruno.taboada)\ **Replies:** 3\ **Last updated:** [September 17, 2024, 12:19pm UTC](https://forum.serverless.com/t/lambda-in-localstack-community-doesnt-get-triggered/20554 "2024-09-17T12:19:35Z")
Hi guys, here is the thing. I am using localstack community and I have created a lambda in it successfully. Have also successfully attached an event sourcing pointing to a kafka running locally. However, I put the messa… --- ## [Copy files between two S3 buckets belonging to two different acconts](https://forum.serverless.com/t/copy-files-between-two-s3-buckets-belonging-to-two-different-acconts/5555)
**Author:** [@Pawel](https://forum.serverless.com/u/Pawel)\ **Replies:** 2\ **Last updated:** [March 9, 2024, 8:11am UTC](https://forum.serverless.com/t/copy-files-between-two-s3-buckets-belonging-to-two-different-acconts/5555 "2024-03-09T08:11:38Z")
Hi All, I have some experience with AWS S3 and lambdas but I was always working within one AWS account. Now I want to copy a file (up to 2GB) from one S3 bucket belonging to AWS account A into other S3 bucket belonging… --- ## [s3:PutBucketPolicy Access Denied](https://forum.serverless.com/t/s3-putbucketpolicy-access-denied/18870)
**Author:** [@nirgluzman](https://forum.serverless.com/u/nirgluzman)\ **Replies:** 4\ **Last updated:** [September 14, 2023, 5:03pm UTC](https://forum.serverless.com/t/s3-putbucketpolicy-access-denied/18870 "2023-09-14T17:03:37Z")
Hi, I am following the guidelines to create S3 bucket which is served via CloudFront. S3 bucket does not need a public access, as the content is served from CloudFront. It seems that CloudFormation does not have the … --- ## [Large number of SNS topics overwhelms lambda resource-based policy quota](https://forum.serverless.com/t/large-number-of-sns-topics-overwhelms-lambda-resource-based-policy-quota/18882)
**Author:** [@day-d](https://forum.serverless.com/u/day-d)\ **Replies:** 1\ **Last updated:** [July 31, 2023, 12:35am UTC](https://forum.serverless.com/t/large-number-of-sns-topics-overwhelms-lambda-resource-based-policy-quota/18882 "2023-07-31T00:35:55Z")
I have about 100 of SNS topics lambda should subscribe to. This looks like an ordinary situation, but the serverless produces a resource-based policy that is way bigger (twice as much or so, I think) than Lambda Quota (2… --- ## [Serverless Deployment Failures - Encountered Unsupported Property Architectures](https://forum.serverless.com/t/serverless-deployment-failures-encountered-unsupported-property-architectures/18874)
**Author:** [@leonbeckert](https://forum.serverless.com/u/leonbeckert)\ **Replies:** 1\ **Last updated:** [May 23, 2023, 10:03am UTC](https://forum.serverless.com/t/serverless-deployment-failures-encountered-unsupported-property-architectures/18874 "2023-05-23T10:03:39Z")
Hello Everyone, I’ve been having trouble with deploying my Serverless project for the past couple of hours and am struggling to find a solution. I’m hoping some of you might have come across this issue before and could … --- ## [Performance of AWS Lambda](https://forum.serverless.com/t/performance-of-aws-lambda/18787)
**Author:** [@itzgo](https://forum.serverless.com/u/itzgo)\ **Replies:** 1\ **Last updated:** [April 25, 2023, 5:15pm UTC](https://forum.serverless.com/t/performance-of-aws-lambda/18787 "2023-04-25T17:15:32Z")
What is the best practices to increases the performance of the lambdas? I mean could someone give me tips to improve AWS Lambda performance? I have to manager too many data of some database, for example, how can I improv… --- ## [Calling a lambda within a NestJS project](https://forum.serverless.com/t/calling-a-lambda-within-a-nestjs-project/18762)
**Author:** [@damianlluch](https://forum.serverless.com/u/damianlluch)\ **Replies:** 1\ **Last updated:** [April 16, 2023, 12:41am UTC](https://forum.serverless.com/t/calling-a-lambda-within-a-nestjs-project/18762 "2023-04-16T00:41:56Z")
Calling a lambda within a NestJS project Hi, I have a project with NestJS, Lambda, Serverless architecture. So each Nest application is a lambda. The problem I have, is that I need to call inside a lambda, to another l… --- ## [AWS Ruby Lambda Layer with Mysql2](https://forum.serverless.com/t/aws-ruby-lambda-layer-with-mysql2/17620)
**Author:** [@yutveg](https://forum.serverless.com/u/yutveg)\ **Replies:** 1\ **Last updated:** [March 13, 2023, 7:01am UTC](https://forum.serverless.com/t/aws-ruby-lambda-layer-with-mysql2/17620 "2023-03-13T07:01:23Z")
Hey there, I’m trying to create a MySQL2 dependency layer for my Ruby 2.7 lambda functions. I’ve got a Lambda Layer Ruby2LambdaDepLayer: Type: AWS::Serverless::LayerVersion Properties: LayerName: ruby-2.7-lambd… --- ## [Help with configuring the integration for API Gateway response to the client](https://forum.serverless.com/t/help-with-configuring-the-integration-for-api-gateway-response-to-the-client/18456)
**Author:** [@stephanie036](https://forum.serverless.com/u/stephanie036)\ **Replies:** 0\ **Last updated:** [March 11, 2023, 3:00pm UTC](https://forum.serverless.com/t/help-with-configuring-the-integration-for-api-gateway-response-to-the-client/18456 "2023-03-11T15:00:31Z")
Hi , I’m new to serverless and aws and I’m feeling very lost :disappointed: I was able to configure the yaml to receive and answer REST requests, and to allow my lambda function to excecute when a web socket message is … --- ## [Banner Message Reading Test Results](https://forum.serverless.com/t/banner-message-reading-test-results/18117)
**Author:** [@Mousumi91](https://forum.serverless.com/u/Mousumi91)\ **Replies:** 0\ **Last updated:** [December 27, 2022, 8:58am UTC](https://forum.serverless.com/t/banner-message-reading-test-results/18117 "2022-12-27T08:58:18Z")
Are messages from banner or image ads being read? We tested it with a very simple test and the results are interesting. This page that you are reading right now was by everyone who googled ‘Yellow Zipka’ or some term sli… --- ## [Hitting concurrency limits](https://forum.serverless.com/t/hitting-concurrency-limits/17928)
**Author:** [@alper](https://forum.serverless.com/u/alper)\ **Replies:** 0\ **Last updated:** [November 24, 2022, 10:57am UTC](https://forum.serverless.com/t/hitting-concurrency-limits/17928 "2022-11-24T10:57:40Z")
Did anybody else hit their concurrency limits on Lambda? We had a couple of functions that went into a death loop but because the limit is global, they take down our entire service landscape. I know similar failure patt… --- ## [Handling multiple express applications](https://forum.serverless.com/t/handling-multiple-express-applications/17895)
**Author:** [@renanbrando](https://forum.serverless.com/u/renanbrando)\ **Replies:** 0\ **Last updated:** [November 16, 2022, 10:14pm UTC](https://forum.serverless.com/t/handling-multiple-express-applications/17895 "2022-11-16T22:14:35Z")
I was wondering what is the best practice for deal with multiple express applications using only one api gateway. Is it considered a good practice to put an express application under different base paths such as: API 1 m… --- ## [Serverless-compose](https://forum.serverless.com/t/serverless-compose/17815)
**Author:** [@Suraj](https://forum.serverless.com/u/Suraj)\ **Replies:** 0\ **Last updated:** [November 7, 2022, 7:24am UTC](https://forum.serverless.com/t/serverless-compose/17815 "2022-11-07T07:24:09Z")
serverless compose framework for service deployment --- ## [ERROR 400 Bad request The request could not be satisfied](https://forum.serverless.com/t/error-400-bad-request-the-request-could-not-be-satisfied/17624)
**Author:** [@LitionGeek](https://forum.serverless.com/u/LitionGeek)\ **Replies:** 0\ **Last updated:** [September 16, 2022, 11:27pm UTC](https://forum.serverless.com/t/error-400-bad-request-the-request-could-not-be-satisfied/17624 "2022-09-16T23:27:12Z")
I try to call an api but it responds with statusCode 400 and this response: If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFr… --- ## [Serverless Express + MongodB](https://forum.serverless.com/t/serverless-express-mongodb/17572)
**Author:** [@Eran](https://forum.serverless.com/u/Eran)\ **Replies:** 0\ **Last updated:** [August 31, 2022, 11:15pm UTC](https://forum.serverless.com/t/serverless-express-mongodb/17572 "2022-08-31T23:15:53Z")
Hello. We have an Express Typescript app running that heavily relies on MongoDB. We’re looking to migrate to serverless but would really like to keep using MongoDB if it makes sense. I saw a bunch of tutorials but they… --- ## [Architecture for multiple services accessing the same database](https://forum.serverless.com/t/architecture-for-multiple-services-accessing-the-same-database/4900)
**Author:** [@bismuth](https://forum.serverless.com/u/bismuth)\ **Replies:** 6\ **Last updated:** [August 28, 2022, 2:24am UTC](https://forum.serverless.com/t/architecture-for-multiple-services-accessing-the-same-database/4900 "2022-08-28T02:24:13Z")
Hi there, I am trying to wrap my head around how to architect a collection of microservices which need to access the same data. Example: I have a dynamo database containing orders. I have three groups that need to acc… [Next page](https://forum.serverless.com/c/serverless-architectures/6.md?page=1)