brianjbayer

How to Remove a Dead Docker Container (Docker Desktop for Mac)

📷 Photo: Buddy at the The Beard-Green Cemetery by Wendy Bayer

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If you have a Dead Docker container that you can not remove with the usual Docker commands, especially on Docker Desktop for Mac, this post may help you finally remove it.

brianjbayer

Run Your Ruby RSpec or Cucumber Browser Tests in Parallel in Docker Compose

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This shows you how to add running your Ruby RSpec or Cucumber browser tests in parallel natively (macOS) and in your docker compose framework.

brianjbayer

Add and Configure FactoryBot To Your Rails RSpec Project

This guides you through adding the test data fixture utility factory_bot to your Ruby on Rails RSpec project.

To install factory_bot you will need to...

1. Add the factory_bot_rails gem to your Rails RSpec project
2. Configure factory_bot_rails to be used by RSpec Rails

🙇 📖 I originally learned this from these posts...

brianjbayer

Add and Configure shoulda-matchers To Your Rails RSpec Project

This guides you through adding the test expectation-matching utility shoulda-matchers to your Ruby on Rails RSpec project.

To install shoulda-matchers you will need to...

1. Add the shoulda-matchers gem to your Rails RSpec project
2. Configure shoulda-matchers to integrate with RSpec Rails

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brianjbayer

Dockerfile: Build the Right Machine for Your App

📷 Image: Rusted Rail Car by Wendy Bayer

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In this post, you will learn how you can craft your Dockerfile specifically for your application to reduce size, cost, and risk. It covers Docker Best Practices, uses

brianjbayer

Fundamentals of Testing 3: What Values to Test - Equivalence Class Partitioning

In this third post in this series on the fundamentals of software testing, I finish the topic of which values to test as part of your Verification Testing which I started in my previous post on using Boundary-Value Analysis.

Even if you can test all possible values of what you are testing (also known as the system under test), you do not need to waste

brianjbayer

Fundamentals of Testing 2: What Values to Test - Boundary-Value Analysis

In my last post (and the first of this series), I covered the three items comprising the intent of your testing when adding new behavior or changing existing behavior of your software system. In this post, I cover the most basic concept of which values to test as part of your Verification Testing.

Basically, you want to test the boundaries of the possible values

brianjbayer

Fundamentals of Testing 1: The Three Things to Prove

I'll start with one of the most basic testing fundamentals. It is also one that you will likely find applies in your day-to-day software development.

When you make a software change like adding new behavior or changing existing behavior, you need your testing to prove 3 things:

1. Your changes result in the desired new or changed behavior.

brianjbayer

Using a Counter for Simple and Performant JWT Revocation

📷 Photo: Pioneertown Jail, CA by Wendy Bayer

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One of the biggest challenges with JSON Web Tokens (JWTs) as an authentication and/or authorization mechanism is the ability to easily and quickly revoke the token if it becomes compromised.

brianjbayer

Enabling and Building Multi-Platform Images in Docker Desktop for Mac

🏫 To learn what multi-platform images are, see this post from Docker Multi-arch build and images, the simple way

You can use Docker Desktop for Mac to build and push multi-platform images to support your containers running on different CPU architectures like Intel/amd64 and Apple Silicon/arm64.