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Tomas Fernandez

Technical Writer at Semaphore @TomFernBlog

Education

University of Buenos Aires

Work

Technical Writer at Semaphore

30 Common CI/CD Interview Questions (with Answers)

30 Common CI/CD Interview Questions (with Answers)

Reactions 46 Comments
10 min read
21 Tips to Write Better Posts for Developers

21 Tips to Write Better Posts for Developers

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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

Reactions 9 Comments
10 min read
The Testing Pyramid: How to Structure Your Test Suite

The Testing Pyramid: How to Structure Your Test Suite

Reactions 4 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

Reactions 8 Comments
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

Reactions 6 Comments
7 min read
Feature Flags: A Gentle Introduction

Feature Flags: A Gentle Introduction

Reactions 6 Comments
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 6 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

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

New Book: CI/CD for Monorepos

Reactions 5 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

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

What Is Canary Deployment? The pros and the cons

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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
7 Tips for Minikube

7 Tips for Minikube

Reactions 6 Comments
3 min read
How to Deploy a FoundationDB Cluster at the Edge with StackPath

How to Deploy a FoundationDB Cluster at the Edge with StackPath

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10 min read
How to Run Clickhouse DBMS at the Edge with StackPath

How to Run Clickhouse DBMS at the Edge with StackPath

Reactions 12 Comments
11 min read
Kubernetes and Java Spring Boot [Part.2: Continuous Deployment]

Kubernetes and Java Spring Boot [Part.2: Continuous Deployment]

Reactions 45 Comments
8 min read
Monitor Your Server with SAR

Monitor Your Server with SAR

Reactions 15 Comments
6 min read
10 Vim Plugins for Writing

10 Vim Plugins for Writing

Reactions 52 Comments 4
3 min read
Delicious Kubernetes in 4 Steps

Delicious Kubernetes in 4 Steps

Reactions 18 Comments
8 min read
Multibranch CI/CD for Serverless Functions

Multibranch CI/CD for Serverless Functions

Reactions 8 Comments 3
6 min read
Going Serverless with Cloudflare Workers

Going Serverless with Cloudflare Workers

Reactions 11 Comments
6 min read
Flawless Releases With Docker

Flawless Releases With Docker

Reactions 11 Comments
5 min read
Django Continuous Deployment to PythonAnywhere

Django Continuous Deployment to PythonAnywhere

Reactions 18 Comments
6 min read
Continuous Integration and Delivery to AWS Kubernetes

Continuous Integration and Delivery to AWS Kubernetes

Reactions 28 Comments
7 min read
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