Archive | Leo Cavalcante

Mar 22, 2022 · 5 min read · observability, php, architecture

Observability with Hyperf and OpenTelemetry

At PicPay, to improve the scalability of our PHP applications, we use _Swoole_ as a high-performance _runtime_, making applications asynchronous and non...

Mar 2, 2022 · 3 min read · cloud, php, swoole

Using Bref to run Swoole coroutines asynchronously as AWS Lambda functions

Swoole is about to deliver something very, very cool: its own CLI. You can already start using it with the precompiled binary distributed in Swoole releases at h...

Feb 28, 2022 · 3 min read · cloud, php, async

Using Bref's LambdaRuntime to Asynchronously Run Swoole Coroutines as Functions on AWS

Swoole will be shipping something really-really cool that is it's own CLI. You can start playing with...

Feb 15, 2022 · 8 min read · cloud, hyperf, php

Cloud-native Hyperf

Originally posted by @Reasno at guxi.me/posts/cloudnative-hyperf Hyperf officially provides...

Abstract 3D render background with glowing light line in minimal design.

Jul 24, 2021 · 2 min read · swoole, php, architecture

Nano, the Swoole micro-framework that is my new favorite

Inspired by the article about Hyperf by the great @Leonardo do Carmo (and also by his tip about Hashnode hehe), I decided to stop by and write about Nano, the S...

Network connection, big data visualisation. Abstract digital background.

Aug 10, 2019 · 4 min read · api, php, swoole

Build a GraphQL API on top of Swoole

I’m assuming you already know what is GraphQL and Swoole, so what about getting started right straight to the code, shall we?

Oct 11, 2018 · 4 min read · fsharp, functional-programming, music

Music with F#: The Language and the Note

When I’m not in front of a “soup of colored letters” (people say this when they see my screen on VS Code) or “jumpy green text” (yeah, this one is for the terminal); I like to p...

Sep 29, 2018 · 5 min read · fsharp, api, mongodb

REST API with MongoDB and F# on .NET Core

I have just a couple years in functional programming, just a couple weeks in F# and no background or experience with .NET, so don’t take this as a reference from an expert, it’s...

Aug 4, 2018 · 3 min read · flutter, state-management, dart

Tutorial: Handling State in Flutter with ReduRx.

One the of the hardest things in development - IMHO - after naming, is handling State, at least handling it reactively without overs (over-building, over-rendering, over-paintin...

Nov 7, 2017 · 3 min read · security, programming, development

Is Hash/Digest Not Cryptography?

It is common for people to argue that hashing is not cryptography; they do it so vehemently that they ridicule things like "I encrypted it with MD5." Is it really that wrong to say...