Dan Around the Internet

DevOps Days

Migrating a Legacy App

I gave an ignite style talk at DevOps Days Baltimore 2019. The topic was about lessons learned migrating a legacy Rails app to new cloud infrastucture. Here is the recorded video!

Going off the Rails into Elixir

DC |> Elixir Presentation

A talk I gave at the DC |> Elixir Meetup about transitioning from Ruby and Ruby on Rails to Elixir and Phoenix.

Intro To Elixir

Elixir Baltimore Meetup Presentation

Another talk I gave at my local meetup for Elixir and Erlang. The talk was an introduction to Elixir.

Intro To Elixir

Elixir Baltimore Meetup Presentation

A talk I gave at my local meetup for Elixir and Erlang. The talk was on an introduction to Elixir.

Elixir and Codeship

Elixir Baltimore Meetup Presentation

A talk I gave at my local meetup for Elixir and Erlang. The talk was on testing Elixir projects with Codeship.

Intro To Credo

Elixir Baltimore Meetup Presentation

A quick talk I gave at my local meetup for Elixir and Erlang. The talk was on Credo, how it can help you write great code, and how to use it.

Deploying Elixir with Ansible

Elixir Baltimore Meetup Presentation

A talk I gave at my local meetup for Elixir and Erlang. The talk was on deploying an Elixir Phoenix project with Ansible.

Intro To HTTP

Lunch Presentation

This is a lunch talk I gave at work about HTTP. It is important to understand how HTTP works if you make cutom web applications.

Dot Files and You

Lunch Presentation

This is a lunch talk I gave at work about my dot files configuration. I cover my shell, tmux, and vim configurations.

Deploying Rails Apps with Chef and Capistrano

Presentation

Getting started with Chef can seem overwhelming. If you already use Capistrano for deployment, how can that fit into a new workflow that includes Chef? I ran a guided exploration of Deploying Rails Apps with Chef and Capistrano. These are my slides from my session at BohConf 2013

Logstash

Presentation

All servers give us valuable information in their logs. I've really enjoyed learning Logstash to dig through many different log files. Check out the slides on an introduction to Logstash that I presented at Bmore on Rails

Naming Conflicts on Polymorphic has_many

Blog Post

Sometimes a little more configuration is necessary. Read my company blog post for more details about the conflict I discovered.

Guide to Application Development Infrastructure: Pairing and CI Servers

Blog Post

Servers are tons of fun, so I helped set up some cool ones. Read more at my company blog post on our servers.

Practical Chef and Capistrano for Your Rails App

Presentation

While Chef is a great tool for configuring infrastructure, I still love Capistrano for deploying Rails applications. Check out the slides for the talk that I gave at an internal company conference on the subject.

Automate Away the Pain of Multiple Database.yml Files

Blog Post

Supporting applications running in production while developing drastic new features or rewrites of existing features can be a huge pain. One of the biggest pains we had on a recent long running feature branch with database changes that made the master and feature branches incompatible. It is easy to overlook the fact that your `database.yml` file will be processed for Erb before it is used to establish a connection. Read about how to use that to help the situation.

Cook Some Tasty Servers with Chef

Presentation

Chef is a great tool for configuring infrastructure. Check out the slides for the introduction to Chef talk that I gave at an internal company conference.

Testing PDF Content with Capybara

Blog Post

Want to end-to-end test your PDF documents with Capybara? Read more at my company blog post on testing PDF content with Capybara.

Adding Factory Girl steps to Turnip

Blog Post

When using Factory Girl, the provided step definitions can be a huge help when setting up the preconditions for a scenario. Those step definitions do not work with Turnip due to differences from Cucumber in how Turnip defines steps.

Those steps are no longer recommended, but if you want them, then read more at my company blog post on adding factory girl step definitions to Turnip.