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John R. Ray

It Worked in Development...

Stop Saying These Four Words

Everywhere you look are pizza boxes and half-empty Red Bulls. Admins, illuminated by the glow of 30″ monitors, sit hunched over keyboards typing furiously. It’s 3 AM, the day of your new software release and right now those admins are desperately trying to rollback a botched deployment.

Suddenly the status widgets, which had to be silenced to . . .

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March 09, 2017

Setting up Docker for Direct LVM

Devicemapper for the rest of us.

So guess what isn't in the upstream kernel? If you said AUFS then you'd be right.For all of us using RHEL/CentOS/OEL you might have noticed the default storage backend for Docker is devicemapper. You might have also noticed that it uses loop files for data storage which are slow and have a host of other problems. Seriously just do a . . .

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October 13, 2016

Nginx Reverse Proxy for your Docker Registry

Part 2 of Setting up a Docker Registry

Who is tired of typing :5000 every time you push or pull something from your private registry? Since everyone is raising their hands and several of you are screaming in fits of rage, I'm going to tell you a really quick way to set up Nginx to reverse proxy our traffic from port 80 and 443 to 5000.

Nginx?

Nginx (pronounced "engine . . .

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October 26, 2015

Setting up a Docker V2 Registry

So the v2 implementation of the Docker Registry is out. You can find it here. As I continue to experiment with containerization I though it would be nice to have a private registry for me to work out of.

Before you begin!

In order for this to work you need to be running docker ~> 1.6. I'm using 1.8.3 in this example. You will also . . .

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October 25, 2015

Getting Started w/ Docker

This post was originally published Jan 9th 2015.


So I've been using Docker for around 6 months now and I wanted to give people an idea of how easy it is to get started with. Today I'm going to show you how to get Docker running and build a simple nginx web server.

Before you begin

I'm going to be using Vagrant, for my virtual . . .

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October 20, 2015

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