Patrick Bacon on Atomic Spin

Developing Azure Functions in a Docker Container

An example Dockerfile for creating a container with the necessary .NET and Azure Functions dependencies installed for doing Functions development.

DevOps & System Admin.

Docker for Mac: Overcoming Slow Mounted Volumes with Visual Studio Code

How I'm hosting a development environment, including source code, inside a Docker container and using Visual Studio code to attach and edit the code.

Development Practices

Bake Production Testing into Your Application

Add hooks and displays to your system that can be used to test that a production environment has been configured correctly.

TypeScript

BLOBs with Knex and PostgreSQL

An example of how to use the pg-large-object package with Knex to allow for streaming Large Objects from a PostgreSQL database in a Node.js program.

TypeScript

Discriminated Unions in GraphQL and TypeScript

A brief walkthrough of setting up a discriminated union (or tagged union) type in TypeScript and GraphQL, and how to query/resolve that type.

TypeScript

Wrapping a TypeScript Function for Background Execution

How to write a higher order function in TypeScript that will maintain the original types while passing execution to a background process using workerpool.

TypeScript

Generic Higher-Order Functions in TypeScript

An example of how to write a generic higher order function in TypeScript using the built in type definitions ReturnType and Parameters.

TypeScript

Using an Int Type in TypeScript

An example of creating an Int type in TypeScript, allowing the compiler to catch potential production problems when inserting calculated values into the DB.

Development Practices

Building a Fake API for Testing & Development

A discussion of a few different options for dealing with an external integration, and why I think a custom, fake API implementation is the way to go.

Web Apps

Understanding the Apollo Default Resolver

The difference between the default resolver and an explicitly specified resolver in Apollo's graphql-tools – specifically arguments passed to a function called by the default resol

Web Apps

Extending the Heroku Timeout in Node.js

It's possible to extend the default Heroku 30 second timeout by sending meaningless bytes back to the client. This post shows how to do so using Node.js / Express middleware.

Web Apps

Redux: Re-Rendering Caused by mapDispatchToProps

Avoid using the ownProps parameter in your mapDispatchToProps functions to prevent unnecessary (and unexpected) re-renders.

Patrick Bacon

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