Articles from the blog (Page 4 of 8)
Emerging JavaScript pattern: multiple return values
This article explores how to simulate multiple return values in JavaScript using arrays and objects. It covers use cases like React Hooks and async/await error handling. The pattern enables elegant APIs but has performance implications.
AWS Solution Architect Associate exam, my notes and tips
The AWS Solutions Architect Associate exam covers a wide range of AWS services. This post shares helpful notes and tips for studying key concepts like EC2, S3, VPC, DynamoDB, and more. It provides advice on the exam mindset and lists official and unofficial preparation resources. The notes summarize important details around provisioned throughput, instance types, database replication and more that are helpful to know for the exam.
AWS Command line: S3 content from stdin or to stdout
The AWS CLI s3 cp command supports streaming content to and from S3 using stdin/stdout with the - argument. This enables powerful pipelines without intermediary files.
2017 - A year in review
In 2017, Luciano Mammino gave 17 conference talks, contributed to open source projects like Fastify and Middy, and learned new technologies like Terraform and Ansible. He looks forward to presenting more in 2018 and learning technologies like Rust, Elastic Search, and Kubernetes.
From bare metal to Serverless
This article explores the history of cloud computing from bare metal servers to serverless, explaining key innovations like IaaS, PaaS, containers and FaaS along the way.
Using Let’s Encrypt and Certbot to automate the creation of certificates for OpenVPN
This post explains how to use Let's Encrypt and Certbot to automatically generate and renew SSL certificates for OpenVPN. It provides a complete Terraform setup as a practical example.
My Serverless talk at Shift conference in Split
Luciano Mammino recounts his experience speaking at the Shift conference in Split, Croatia about Serverless architecture and its pros and cons. He provides links to his talk video, slides, and a Twitter moment.
My Universal JavaScript Web Applications talk at Codemotion Rome 2017
The author gave a talk on building universal JavaScript web apps at Codemotion Rome 2017. He updated his Judo Heroes demo to v2 with React 15.4, React Router 4, Webpack 2, and Express 5. The talk got positive feedback from the audience. Slides and video are linked.
Unshorten (expand) short URLs with Node.js
This article explains how short URLs work and provides code examples to expand them in Node.js using request module or tall library. It covers basics of URL redirection, shows how to disable auto-redirect in request module, and introduces tall - a promise-based Node.js library to unshorten URLs.
My Serverless & AWS Lambda talk at Node.js Dublin January 2017
This post summarizes a talk about building a serverless architecture on AWS Lambda using the Serverless framework. It covers topics like authentication, authorization, testing, CI/CD, and cost monitoring. The presenters share lessons learned from real-world experience building a production serverless application.