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Colin Chartier

Colin Chartier

Colin is co-founder & CEO at Layer. He previously worked as CTO at ParseHub and as a software design lecturer at the University of Toronto. You can reach him at [email protected]

Toronto, Ontario •
5 posts •
What is an ephemeral environment?
Continuous Staging

What is an ephemeral environment?

Ephemeral environments are temporary deployments that contain a self-contained version of your application, generally for every feature branch. They are often spun up by a Slack bot, or automatically on every commit using

  • Colin Chartier
    Colin Chartier
4 min read
System design hack: Postgres is a great pub/sub & job server
System design

System design hack: Postgres is a great pub/sub & job server

If you're making any project of sufficient complexity, you'll need a publish/subscribe server to process events. This article will introduce you to Postgres, explain the alternatives, and walk you through an example

  • Colin Chartier
    Colin Chartier
4 min read
How to open a tunnel into any pod or container with tcpserver and netcat

How to open a tunnel into any pod or container with tcpserver and netcat

It's a common scenario: You want a port on your local computer to magically forward traffic to your pod/container (or vice-versa.) Use casesCheck what the /healthz HTTP endpoint of a pod is

  • Colin Chartier
    Colin Chartier
2 min read
CI configs should be documentation
Testing

CI configs should be documentation

Continuous Integration (CI) lets you define tests to run before any code is merged - in practice, this means that you can make sure that nothing breaks in response to a change. A

  • Colin Chartier
    Colin Chartier
3 min read
What is CI?

What is CI?

Continuous Integration (CI) refers to developers continuously pushing small changes to a central Git repository numerous times per day. These changes are verified by automated software that runs comprehensive tests and ensures that

  • Colin Chartier
    Colin Chartier
3 min read
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