Questions tagged [serverless]

For questions about serverless computing (also known as Function as a Service, or FaaS). Use this tag for questions about terminology, practices and problems encountered while implementing serverless. Consider also using the specific provider tag, e.g. [aws-lambda].

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Using serverless, how can I deploy multiple stages with different api keys for each stage on a single AWS account?

I have a serverless configuration that has private routes into a lambda function and the api keys are in the configuration, using the stage name to look them up. service: my-service provider: name:...
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42 views

Serverless framework: how to specify a c++ lambda function with provided deployment package

I have followed the guide in https://aws.amazon.com/blogs/compute/introducing-the-c-lambda-runtime/ to package my c++ lambda function into a zip file. The zip file has the contents: function.zip ...
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Lambda function not being invoked by SNS topic | Step Functions

I have created a small test application (just outputs some text to test) and am trying to get it so that when I have a message put into an SNS topic that my Step Function/Lambda Function will invoke ...
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Issues creating Lambda functions and stepfunctions

Just to note I did already post this on SO but no response hoping here works because I am truly stuck. Day 4 of this fight... I am trying to create some lambda functions using the serverless package ...
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1answer
28 views

Practical reasons for 200 limit of AWS resources in CF templates

Not sure I get it. If my service layer is completely maintainable, indepedent services and very easy to maintain taking only a few minutes to deploy and has no bugs, AWS still won't let me deploy it ...
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AWS API gateway call to multiple lambda functions possible?

We have a front end implemented in ECS. This front end communicates to API Gateways which in turn makes calls to Lambda functions. We are implementing Disaster Recovery Solution for this architecture. ...
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5answers
315 views

What is the future of DevOps in the age of serverless?

My senior recently argued that DevOps related roles such as DevOps Engineer, SRE, etc, will be less relevant once serverless matures. He pointed me to Containers won the battle, but will lose the war ...
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1answer
36 views

Deploying lambda conceiving sensitive variables using serverless

I want to deploy AWS lambda written in NODEJS. And I have sensitive variables that can't be disclosed in AWS lambda variables section. Is there a way to deploy lambda with an encrypted variable which ...
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1answer
86 views

How granular in purpose should FaaS functions be?

For clarification, when I say "FaaS" I am referring to serverless offerings such as AWS Lambda and Google Cloud Functions. I have a specific case in mind that I'll describe but I would very much ...
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2answers
432 views

Challenges of using AWS Lambda chain

Context: I have a pipeline of 6 lambda functions (chained together), triggered by an SNS notification which is generated whenever a file lands on S3. This pipeline essentially takes the file(few GBs), ...
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1answer
70 views

Teaching an old dog new tricks: Finally adopting the micro-service architecture

Is it too late to teach an old dog a new trick? I've always been the guy with a monolithic application/codebase. For more than 10 years now, I've gotten good at caching, writing good SQL queries, ...
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147 views

What is OpenWhisk and how to setup a cluster using this technology?

On IBM bluemix platform it is possible to write cloud functions using OpenWhisk, but what is OpenWhisk and how to setup a cluster using this technology?
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LambdaA -> delay mins -> lambdaB

I need to launch a LambdaA function and after X minutes I need to launch a LambdaB function with parameters passed from LamdaA I have testing the following: APIGW > LambdaA > SQS with delay > SQS ...
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1k views

How to avoid “retry storms” in distributed services?

A "retry storm" is caused when clients are configured to retry a set number of times before giving up, a retry policy is necessary because of packets loss will occur in normal operation of a service. ...
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2answers
305 views

Storing encrypted secrets in code for a serverless.com project

With serverless.com, the easiest way to expose a secret to an AWS Lambda function is to store it in the serverless.yml file (encrypted with KMS, for example). But committing encrypted secrets to Git ...
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2answers
294 views

What is a good logging practice for distributed tasks?

I have the following setting: Create multiple workers, do a computation and terminate them after the computation is done. So, every-time it’ll be a different instance running the task, so each ...
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3k views

What is Serverless?

All the cloud providers are marketing their "serverless" solutions. The promise is that serverless is going to replace the way developers are currently develop their software, and operations manage it ...