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Tomas Fernandez

Technical Writer at Semaphore @TomFernBlog

Education

University of Buenos Aires

Work

Technical Writer at Semaphore

A First Look at Neon: A Postgres Database That Branches

A First Look at Neon: A Postgres Database That Branches

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7 min read

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Getting Started With Astro

Getting Started With Astro

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11 min read
Ruby Adds Support for WebAssembly: What is WebAssembly and how it benefits Ruby devs?

Ruby Adds Support for WebAssembly: What is WebAssembly and how it benefits Ruby devs?

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7 min read
Release Management: Is Your Product Ready for Success?

Release Management: Is Your Product Ready for Success?

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8 min read
Measuring Page Speed with Lighthouse

Measuring Page Speed with Lighthouse

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3 min read
Taming Cloud Costs with Infracost

Taming Cloud Costs with Infracost

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8 min read
Secure Kubernetes with Kubescape

Secure Kubernetes with Kubescape

Reactions 2 Comments
10 min read
Database Management With CI/CD

Database Management With CI/CD

Reactions 8 Comments
11 min read
36 Questions to Ask Your Future Software Employer

36 Questions to Ask Your Future Software Employer

Reactions 345 Comments 8
12 min read
5 Options for Deploying Microservices

5 Options for Deploying Microservices

Reactions 4 Comments
11 min read
17 DevOps Metrics To Measure Success

17 DevOps Metrics To Measure Success

Reactions 9 Comments
9 min read
Become an Elite Team With Dora Metrics

Become an Elite Team With Dora Metrics

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7 min read
Microfrontends: Microservices for the Frontend

Microfrontends: Microservices for the Frontend

Reactions 101 Comments 3
7 min read
Free Ebook: Transitioning from Monolith to Microservices Handbook

Free Ebook: Transitioning from Monolith to Microservices Handbook

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1 min read
A First Look at Bun: Will It Take Node’s Crown?

A First Look at Bun: Will It Take Node’s Crown?

Reactions 7 Comments
10 min read
When Microservices Are a Bad Idea

When Microservices Are a Bad Idea

Reactions 7 Comments 1
9 min read
Testing Strategies For Microservices

Testing Strategies For Microservices

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9 min read
12 Ways of Getting Ready for Microservices

12 Ways of Getting Ready for Microservices

Reactions 5 Comments
9 min read
Release Management for Microservices

Release Management for Microservices

Reactions 3 Comments 1
5 min read
Applying Domain-Driven Design Principles to Microservice Architectures

Applying Domain-Driven Design Principles to Microservice Architectures

Reactions 5 Comments 1
6 min read
What Are Microservices?

What Are Microservices?

Reactions 8 Comments 1
5 min read
5 Ways to Run Faster CI/CD Builds

5 Ways to Run Faster CI/CD Builds

Reactions 3 Comments
5 min read
30 Common CI/CD Interview Questions (with Answers)

30 Common CI/CD Interview Questions (with Answers)

Reactions 48 Comments
10 min read
21 Tips to Write Better Posts for Developers

21 Tips to Write Better Posts for Developers

Reactions 11 Comments 6
13 min read
A Complete Guide to Optimizing Slow Tests

A Complete Guide to Optimizing Slow Tests

Reactions 4 Comments
1 min read
Interviewing Engineers at Semaphore

Interviewing Engineers at Semaphore

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7 min read
10 Books Every Senior Engineer Should Read

10 Books Every Senior Engineer Should Read

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10 min read
The Testing Pyramid: How to Structure Your Test Suite

The Testing Pyramid: How to Structure Your Test Suite

Reactions 5 Comments 1
9 min read
Do you need to test everything?

Do you need to test everything?

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5 min read
The 6 Principles of Test Automation

The 6 Principles of Test Automation

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8 min read
The Economics of TDD

The Economics of TDD

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4 min read
9 Ways To Make Slow Tests Faster

9 Ways To Make Slow Tests Faster

Reactions 7 Comments
16 min read
Optimizing your tests in 5 steps

Optimizing your tests in 5 steps

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7 min read
Feature Flags: A Gentle Introduction

Feature Flags: A Gentle Introduction

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9 min read
Revving up Continuous Integration with Parallel Testing

Revving up Continuous Integration with Parallel Testing

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9 min read
TypeScript Monorepos with Yarn

TypeScript Monorepos with Yarn

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7 min read
JavaScript monorepos with Lerna

JavaScript monorepos with Lerna

Reactions 3 Comments
9 min read
Container-Diff: Change Management for Containers

Container-Diff: Change Management for Containers

Reactions 5 Comments
10 min read
Earthly: Beyond Docker

Earthly: Beyond Docker

Reactions 4 Comments
10 min read
Serverless AWS With Monorepos

Serverless AWS With Monorepos

Reactions 7 Comments
9 min read
Continuous Integration for Monorepos

Continuous Integration for Monorepos

Reactions 5 Comments
8 min read
The Benefits of Acceptance Testing

The Benefits of Acceptance Testing

Reactions 5 Comments
8 min read
Structure Testing for Docker Containers

Structure Testing for Docker Containers

Reactions 6 Comments
8 min read
Securing Kubernetes Deployments

Securing Kubernetes Deployments

Reactions 16 Comments
12 min read
Continuous Container Vulnerability Testing With Trivy

Continuous Container Vulnerability Testing With Trivy

Reactions 8 Comments
9 min read
New Book: CI/CD for Monorepos

New Book: CI/CD for Monorepos

Reactions 6 Comments
2 min read
Kubernetes vs Docker: Understanding Containers in 2021

Kubernetes vs Docker: Understanding Containers in 2021

Reactions 20 Comments
8 min read
Design an Effective Build Stage for Continuous Integration

Design an Effective Build Stage for Continuous Integration

Reactions 10 Comments
14 min read
How to Connect to VPN in CI/CD Pipelines

How to Connect to VPN in CI/CD Pipelines

Reactions 10 Comments 1
9 min read
Structuring Monitoring Data in Monolithic Applications With Namespaces

Structuring Monitoring Data in Monolithic Applications With Namespaces

Reactions 10 Comments
8 min read
Reproducible Node Builds With npm ci

Reproducible Node Builds With npm ci

Reactions 7 Comments
6 min read
Always use ImagePullSecrets

Always use ImagePullSecrets

Reactions 5 Comments
3 min read
Programming humans

Programming humans

Reactions 3 Comments
3 min read
Monitoring Any System with StatsD and AppSignal's Standalone Agent

Monitoring Any System with StatsD and AppSignal's Standalone Agent

Reactions 8 Comments
6 min read
Continuous Blue-Green Deployments With Kubernetes and Istio

Continuous Blue-Green Deployments With Kubernetes and Istio

Reactions 26 Comments
18 min read
What Is Canary Deployment? The pros and the cons

What Is Canary Deployment? The pros and the cons

Reactions 9 Comments
9 min read
What Is Blue-Green Deployment?

What Is Blue-Green Deployment?

Reactions 12 Comments
9 min read
What got me writing

What got me writing

Reactions 41 Comments 13
4 min read
API Consolidation and Load Balancing at the Edge with Traefik and StackPath

API Consolidation and Load Balancing at the Edge with Traefik and StackPath

Reactions 6 Comments
11 min read
Continuous Integration with Deno and Docker

Continuous Integration with Deno and Docker

Reactions 28 Comments
10 min read
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