Epsagon Blog

There is a new hype in the DevOps world: Istio and service meshes. But why exactly is everyone suddenly migrating to Istio? In this post, we will examine whether it actually m...

Have you ever wondered how to deploy a Java containerized application on AWS? If so, this article will show you a way to do it. We are going to build a small Java Spring Boot ...

2018 was a big year for serverless, and 2019 shows no signs of slowing down. For the second year running, serverless was the most talked about topic at re:Invent 2018. AWS con...

Amazon Athena, an interactive query service that makes it easy to search data in Amazon S3 using SQL, was launched at reInvent 2016. Athena is a serverless service, meaning th...

Cloud computing is becoming more and more of a household name, with even the most conservative fields of business figuring out how to make the best use of it. Cloud computing ...

Many projects share common libraries around different functions. When some of the dependencies get updated, you need to be able to manage these functions independently so that...

AWS has officially released the support for Node.js 10.x runtime in their AWS Lambda service. The Node.js 10.x runtime is available in all regions where Lambda is available. N...

Even serverless is implemented using containers, but the convenience is that you’re typically not dealing with the servers or the containers yourself. In fact, if you do wa...

Whether you like it or not, application containers are gaining a foothold everywhere. Even the most conservative fields such as banking are going down the microservices route....

CI/CD stands for Continuous Integration/Continuous Delivery/Continuous Deployment, terms often used in modern software development. Continuous Integration is the practice of ...

Function-as-a-Service (FaaS) platforms allow you to deploy and scale your application at the function level. This paradigm shift offers many advantages but has caused some con...

The complexities of microservices, as well as where things tend to go wrong, are today largely centered around integration points between services. This shift in risk profile ...

What are we building? In this guide, we will learn how to set up a simple Node.js Express API, powered by an AWS Lambda function, and what are the pros and cons for such a se...

There are many tools that can be used to deploy and work with AWS Lambda. The Popular Deployment Tools for Serverless provides a good overview of them. In many cases, a comman...

Werner Vogels, the CTO of Amazon, describes AWS Lambda as the “connective tissue” for your cloud-native application. It’s an apt description, as AWS Lambda functions oft...

AWS Lambda provides a wide range of possibilities for automating DevOps tasks and processes. Prior to AWS Lambda, we relied on a server that executed all required tasks and sc...

What you should know about serverless, the universe and everything. As with any new technology, the serverless ecosystem is evolving rapidly. Cloud providers are releasing ne...

Breaking into a new technology is always hard, especially for a paradigm shift as drastic as serverless. Even as a long time user of AWS Lambda (relative speaking, since Lambd...

Serverless architecture is the new kid on the block, and according to a recent survey by Serverless, Inc., a vast majority of developers will start using it by the end of the ...

Let’s take a moment to compare and contrast the AWS Lambda supported languages. In this post, we’ll take a look at these languages from some angles: Cold start perfor...

Serverless adoption has been steadily picking up throughout 2017 and 2018 as more and more people have come to rely on serverless technologies for critical production systems....

Serverless deployment is a key consideration when starting to write software using Function-as-a-Service services such as AWS Lambda. In the beginning, the default cloud vendo...

One of the most important configurations for an AWS Lambda function is the timeout value. The AWS Lambda timeout dictates how long a function invocation can last before it’...

Announced during re:Invent 2016, AWS Step Functions is a service for creating state machines. It is the spiritual descendant of the not-so-simple-to-use Simple Workflow ...

AWS introduced last year the SQS integration with AWS Lambda. In the following post, I'm going to share a quick-and-simple tutorial on how to get started with message dis...

As a developer, I find it very convenient to develop and deploy Lambda functions. My favorite programming language is Python, so both Serverless and Zappa are great. ...

In this post, I will explain how we utilize serverless Slack bots in Epsagon, demonstrate their value, and provide an example — including corresponding open source code, usi...