Developing AWS cloud based applications, like serverless based apps normally require too much effort on non-development related things. LocalStack provides an easy-to-use test/mocking framework for developing Cloud applications. LocalStack builds on existing best-of-breed mocking/testing tools, notably kinesalite/dynalite and moto, ElasticMQ, and others. While these tools are awesome (!), they lack functionality for certain use cases. LocalStack combines the tools, makes them …
When developing web services on top of AWS infrastructure, we normally use serverless framework to manage cloudformation. All resources on AWS have their unique identifiers called ARNs (Amazon Resource Names). ARN consists of several information, including userId, region, resource specific strings. It is quite a burden to manage all these ARNs created by other microservices …
One of the main strengths of serverless and AWS Lambda is that, from a developer perspective, your focus is mostly shifted toward implementing business logic. Anyway, when you are writing a handler, you still have to deal with some common technical concerns outside business logic, like input parsing and validation, output serialization, error handling, etc. …