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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

Location Germany Joined Joined on  Twitter logo Github logo Medium logo Stackoverflow logo Website logo
Work

Lead Developer at ThoughtWorks

Be a good Kubernetes citizen and use Pod Disruption Budgets
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Be a good Kubernetes citizen and use Pod Disruption Budgets

#kubernetes #operations #devops #terraform
Reactions 3 Comments
4 min read

Recent comments

Book Review: Never split the difference

I've been saying a variation of the "saying yes is easier tha...

Either Types for Rust

it doesn't have to be an error, although it's usually used li...

Technical stories, a miscast artifact of agile development

I track the technical stories in the backlog and see if the n...

Recording APIs with WireMock

haven' tried it. Whenever I've used WireMock it has been in c...

Book Review: The art of leadership

Managing humans is pretty good, would be a 4-star :P. Being g...

Book Review: Team topologies
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Book Review: Team topologies

#bookreview #practices #teamorganization
Comments
3 min read
So, what does the NGINX ingress controller actually do?
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So, what does the NGINX ingress controller actually do?

#kubernetes #ingress #nginx
Reactions 1 Comments
6 min read
Setting up OAuth for Grafana with Auth0
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Setting up OAuth for Grafana with Auth0

#auth0 #oauth #infrastructureascode #terraform
Comments
4 min read
Book Review: Prometheus up and running
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Book Review: Prometheus up and running

#bookreview #monitoring #devops #prometheus
Reactions 1 Comments
2 min read
Provisioning an Application Load Balancer with Terraform
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Provisioning an Application Load Balancer with Terraform

#aws #terraform #loadbalancing #networking
Reactions 5 Comments
4 min read
Book Review: No rules rules, Netflix and the culture of reinvention
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Book Review: No rules rules, Netflix and the culture of reinvention

#bookreview #netflix
Reactions 1 Comments
3 min read
Keeping a technical backlog
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Keeping a technical backlog

#agile #practices #leadership
Reactions 2 Comments
4 min read
Provisioning a Network Load Balancer with Terraform
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Provisioning a Network Load Balancer with Terraform

#aws #terraform #loadbalancing #networking
Reactions 1 Comments
7 min read
Book Review: Working effectively with legacy code
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Book Review: Working effectively with legacy code

#bookreview #architecture #practices
Comments 1
2 min read
Getting technical stories into an iteration
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Getting technical stories into an iteration

#agile #practices #leadership
Reactions 1 Comments
5 min read
Book Review: Never split the difference
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Book Review: Never split the difference

#bookreview #negotiation
Reactions 2 Comments 3
3 min read
Either Types for Rust
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Either Types for Rust

#rust #functional #exceptions #either
Reactions 7 Comments 3
4 min read
Technical stories, a miscast artifact of agile development
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Technical stories, a miscast artifact of agile development

#agile #practices #leadership
Reactions 8 Comments 3
6 min read
Book Review: The Rust programming language
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Book Review: The Rust programming language

#bookreview #rust #systemsprogramming
Reactions 2 Comments 1
2 min read
Diagrams as code for infrastructure as code
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Diagrams as code for infrastructure as code

#infrastructure #diagrams #documentation
Reactions 3 Comments
4 min read
Dev huddle as a tool to achieve alignment among developers
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Dev huddle as a tool to achieve alignment among developers

#agile #practices #leadership
Reactions 7 Comments
6 min read
Book Review: The art of leadership
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Book Review: The art of leadership

#bookreview #leadership #rands
Reactions 2 Comments 2
2 min read
Understanding VPC endpoints
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Understanding VPC endpoints

#aws #terraform #vpc #networking
Reactions 6 Comments
5 min read
Book Review: The software architect elevator
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Book Review: The software architect elevator

#bookreview #architecture #devops
Reactions 4 Comments
2 min read
A directory structure for React projects
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A directory structure for React projects

#react #typescript #codeorganization
Reactions 5 Comments
3 min read
Book Review: Kotlin in Action
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Book Review: Kotlin in Action

#bookreview #kotlin
Reactions 2 Comments
2 min read
Templating Concourse pipelines with Jsonnet: Follow-up
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Templating Concourse pipelines with Jsonnet: Follow-up

#concourse #jsonnet #templating
Reactions 5 Comments
4 min read
Book Review: Securing DevOps
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Book Review: Securing DevOps

#bookreview #devops #security
Reactions 1 Comments
2 min read
Templating Concourse pipelines with Jsonnet: An Introduction
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Templating Concourse pipelines with Jsonnet: An Introduction

#concourse #jsonnet #templating
Reactions 2 Comments
6 min read
Book Review: Effective TypeScript
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Book Review: Effective TypeScript

#bookreview #typescript
Reactions 5 Comments
3 min read
Either Types extended version
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Either Types extended version

#kotlin #functionalprogrammi #arrow #exceptions
Reactions 3 Comments
1 min read
Useful commands to work with certificates
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Useful commands to work with certificates

#certificates #ssl #openssl
Reactions 2 Comments
5 min read
Either Types as an alternative to throwing exceptions in Kotlin
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Either Types as an alternative to throwing exceptions in Kotlin

#kotlin #functional #arrow #exceptions
Reactions 6 Comments
5 min read
Setting up Auth0 with Terraform
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Setting up Auth0 with Terraform

#auth0 #oauth #iac #terraform
Reactions 7 Comments
6 min read
Authorization for a Kotlin Spring backend, using JSON Web Tokens
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Authorization for a Kotlin Spring backend, using JSON Web Tokens

#auth0 #oauth #kotlin #springboot
Reactions 6 Comments
5 min read
Comparing Traefik2 with Traefik
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Comparing Traefik2 with Traefik

#traefik #devops #loadbalancing #ssltermination
Reactions 1 Comments
5 min read
Fail a test in Jest if an unexpected network request happens
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Fail a test in Jest if an unexpected network request happens

#react #jest #testing #reacttestinglibrar
Reactions 1 Comments
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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How to split the deployment of your front end and back end with the help of Consumer Driven Contract Testing

#contracttesting #pact #continuousdelivery #jest
Comments
9 min read
Descriptive assertions in Kotlin for clearer tests
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Descriptive assertions in Kotlin for clearer tests

#kotlin #testing #strikt
Comments
3 min read
How to automate REST API end-to-end tests in a CI environment with Postman and Newman
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How to automate REST API end-to-end tests in a CI environment with Postman and Newman

#rest #e2e #postman #newman
Reactions 1 Comments
8 min read
Custom Components in Formik
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Custom Components in Formik

#react #formik #reacthooks
Reactions 2 Comments
3 min read
Dockerizing a JVM app with CircleCI
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Dockerizing a JVM app with CircleCI

#docker #circleci #jvm #serverspec
Comments
6 min read
Painless JSON with Kotlin and jackson
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Painless JSON with Kotlin and jackson

#kotlin #json #jackson #rest
Reactions 1 Comments
7 min read
Mock verification in Kotlin using MockK and Atrium
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Mock verification in Kotlin using MockK and Atrium

#kotlin #testing #mockk #springboot
Comments
4 min read
Making Concourse's fly tool work behind an authenticated ALB
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Making Concourse's fly tool work behind an authenticated ALB

#concourseci #aws
Comments
3 min read
An overview of IAM in AWS
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An overview of IAM in AWS

#aws #iam #terraform #security
Reactions 1 Comments
5 min read
Checking the validity of a certificate in Concourse
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Checking the validity of a certificate in Concourse

#continuousintegrati #concourseci #certificates
Comments
2 min read
Testing containers with dependencies with localstack
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Testing containers with dependencies with localstack

#tdd #serverspec #aws #localstack
Reactions 1 Comments
5 min read
Using AWS Secrets Manager in Concourse
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Using AWS Secrets Manager in Concourse

#continuousintegrati #terraform #awssecretsmanager #concourseci
Comments
3 min read
Modernizing your build pipelines
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Modernizing your build pipelines

#ci
Comments
1 min read
Recording APIs with WireMock
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Recording APIs with WireMock

#java #wiremock #springboot #testing
Comments 2
4 min read
Replacing ESLint with prettier
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Replacing ESLint with prettier

#javascript #prettier #eslint
Reactions 1 Comments
3 min read
Setting up Traefik
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Setting up Traefik

#traefik #devops #loadbalancing #ssltermination
Reactions 5 Comments
4 min read
Angular from the perspective of a React fan - Part 3
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Angular from the perspective of a React fan - Part 3

#javascript #react #angular #typescript
Comments
5 min read
Angular from the perspective of a React fan - Part 2
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Angular from the perspective of a React fan - Part 2

#javascript #react #angular #typescript
Comments
5 min read
Playing with CSS Grid
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Playing with CSS Grid

#css #cssgrid
Comments
4 min read
Storing team passwords with gopass
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Storing team passwords with gopass

#security #gopass
Comments
5 min read
Angular from the perspective of a React fan - Part 1
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Angular from the perspective of a React fan - Part 1

#javascript #react #angular #typescript
Comments
5 min read
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