Jonathan Cardoso Machado

Programming

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September 2020

Automated Deployment of React Native Apps Using Fastlane - Part 1 - Play Store

September 08, 2020

In this article, we will learn how to deploy React Native apps to the Android Play Store using fastlane . This is the first part of a series about automated deployment of React Native apps using fastlane. Everyone that has been releasing apps manually knows how tiresome and time consuming the…

April 2019

How To Automate Deployments to DigitalOcean Kubernetes with CircleCI

Introduction Having an automated deployment process is a requirement for a scalable and resilient application, and GitOps , or Git-based DevOps , has rapidly become a popular method of organizing CI/CD with a Git repository as a “single source of truth.” Tools like CircleCI integrate with your…

December 2018

Using CircleCI Workflows to Replicate Docker Hub Automated Builds

December 18, 2018

CircleCI workflows is a powerful feature that can be used to make your deployment process simple and intuitive. In this article, we will learn how to use them to automatically push images to the Docker registry, just like Docker Hub’s own automated build process, but with all of the customization…

September 2018

Introduction to GraphQL Mongo Helpers

September 30, 2018

If you are using MongoDB and GraphQL, you probably have some arguments on your resolvers to filter the data returned from MongoDB. Using those helpers you can reduce the amount of code duplication when doing that! https://github.com/entria/graphql-mongo-helpers Installing Right now, the package has…

Client-Supplied Custom Sorting Using GraphQL

September 30, 2018

It’s not uncommon the need to sort/order data returned from an API, based on arguments sent by the client. With REST we could just use query-strings, but how to do it in GraphQL? Most databases allow to sort on multiple fields at the same time, and the sorting order can differ from one to another…

GraphQL Mutation Arguments Validation with Yup using graphql-middleware

September 06, 2018

Recently, I found out about the awesome library by Prisma called graphql-middleware , which allows running arbitrary code before/after your GraphQL resolvers are called. In this post, we are going to create a middleware to validate the input arguments of any GraphQL Mutation using Yup. Initial Code…

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