Category Archives: Technical

Learning Configuration Management as a DBA

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Before SendGrid, I used to deploy all my databases by hand. I’d have a documentation page, (a Google doc, internal wiki page…whatever) and it would be a long bulleted list of “Install this, then install this.” If you have ever maintained “How to” documents like that, this picture to the right will eventually ring true. This was obviously not a good approach. Especially when small details start changing, but the “documentation” lags behind. Then you have a situation that enables tribal knowledge, which means a 3AM Ops person, who is not the DBA, and has even less of an ability

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How to Open Source Your Code in 11 Steps

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Before you open source a library, there are a few things that you need to do to ensure you’re following all the rules and that the code is ready for the community. Here’s the 11 step pre-flight checklist that we put together internally at SendGrid: Check the code to make sure that no proprietary information like usernames and passwords are present, and that configuration uses environment variables where necessary. Your code isn’t portable if there are hardcoded database names and credentials. Environment variables are convenient and are a secure default. Make sure that dependencies are encapsulated and explicitly declared. People

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The Top 5 Code Challenge Posts from the 15 Day Code Challenge

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Toward the end of 2014, one of our great developer evangelists, Kunal Batra, took on the challenge of learning 15 new technologies and blogging about them in a Code Challenge series. The Code Challenge series was a great way for Kunal to experiment with new technologies and provide readers with some great new tools and introductions to software they may have been unaware of. Now that some time has passed since his last post in January, we’re looking back on the most popular Code Challenge blogs. Below are the top five posts based on number of visits: 5 – Learning

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Intro to Elixir Lang

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An Introduction to the Elixir Programming Language (And Why I Love It)   I wrote an article a few months ago introducing you to Golang, and why I loved it so much. While I do indeed still love it, lately I’ve been playing around with a new language; Elixir. I bought the book Programming Elixir and have been following it through. I’ve already come to love Elixir and hope to show you why in this article. Whilst I worked for Couchbase a couple of years back, I took a great interest in Erlang, and distributed systems. To me, Erlang is

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Simple Webhook Testing Using Sinatra and ngrok

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Webhooks allow for simple, deep integration between apps and services, but debugging them can be a little painful. We have a general guide to debugging webhooks, but you probably want to know what the quickest webhook test environment is for setting-up and using. It’s hard to beat Sinatra and ngrok for this purpose. Or, if you’d rather use node.js, you can check-out Martyn’s post on Testing Webhooks. Getting Started First, you need a ruby environment that has rubygems. If you are new to ruby, then check out rbenv for getting your environment going. Create a new directory and run gem install sinatra. Now let’s

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2015 Predictions for DevOps

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The following is a guest post from Matt Chesler, DevOps Architect for TheLadders, the premier mobile network for career driven professionals. We sat down with Matt to learn about what he thinks lies ahead for DevOps in 2015.  Q: How do you think adoption of DevOps practices (Agile, etc.) will change in 2015? A: DevOps practices aren’t going to change, they will continue to grow. If you look at current DevOps job listings and listen to what recruiters are looking for, DevOp engineers, etc. are becoming far more prevalent than they used to be. There’s recognition in the industry that this is

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Collect User Feedback with Stamplay and SendGrid

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Earlier this week I had the good fortune of being reminded of Stamplay. Stamplay is a browser-based web application creator that allows the user to skip backend coding. By connecting multiple components, assigning actions to those components, then coding-up the frontend in any way you want. It’s pretty amazing how quickly you can throw together fully (and I stress fully) functioning applications without manually hooking up a bunch of APIs and writing a ton of backend code. I wanted to take this opportunity to build a super-quick User Feedback app, that although is very simple, would have taken a lot longer

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