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Mario Fernández profile picture

Mario Fernández

I develop software for a living. Then I go home and continue reading about software because I just can't get enough

Work

Lead Developer at ThoughtWorks

Technical stories, a miscast artifact of agile development

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6 min read

Book Review: The Rust programming language

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2 min read

Diagrams as code for infrastructure as code

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4 min read

Dev huddle as a tool to achieve alignment among developers

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6 min read

Book Review: The art of leadership

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2 min read

Understanding VPC endpoints

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5 min read

Book Review: The software architect elevator

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2 min read

A directory structure for React projects

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3 min read

Book Review: Kotlin in Action

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2 min read

Templating Concourse pipelines with Jsonnet: Follow-up

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4 min read

Book Review: Securing DevOps

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2 min read

Templating Concourse pipelines with Jsonnet: An Introduction

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6 min read

Book Review: Effective TypeScript

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3 min read

Either Types extended version

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1 min read

Useful commands to work with certificates

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5 min read

Either Types as an alternative to throwing exceptions in Kotlin

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5 min read

Setting up Auth0 with Terraform

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6 min read

Authorization for a Kotlin Spring backend, using JSON Web Tokens

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5 min read

Comparing Traefik2 with Traefik

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5 min read

Fail a test in Jest if an unexpected network request happens

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3 min read

How to split the deployment of your front end and back end with the help of Consumer Driven Contract Testing

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9 min read

Descriptive assertions in Kotlin for clearer tests

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3 min read

How to automate REST API end-to-end tests in a CI environment with Postman and Newman

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8 min read

Custom Components in Formik

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3 min read

Dockerizing a JVM app with CircleCI

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6 min read

Painless JSON with Kotlin and jackson

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7 min read

Mock verification in Kotlin using MockK and Atrium

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4 min read

Making Concourse's fly tool work behind an authenticated ALB

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3 min read

An overview of IAM in AWS

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5 min read

Checking the validity of a certificate in Concourse

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2 min read

Testing containers with dependencies with localstack

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5 min read

Using AWS Secrets Manager in Concourse

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3 min read

Modernizing your build pipelines

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1 min read

Recording APIs with WireMock

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4 min read

Replacing ESLint with prettier

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3 min read

Setting up Traefik

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4 min read

Angular from the perspective of a React fan - Part 3

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5 min read

Angular from the perspective of a React fan - Part 2

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5 min read

Playing with CSS Grid

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4 min read

Storing team passwords with gopass

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5 min read

Angular from the perspective of a React fan - Part 1

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5 min read
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