How Many Availability Zones Do You Need?
Different numbers of availability zones are appropriate for different workloads. This post helps you pick an appropriate number for your needs.
Three Approaches to Deploying Lambdas
“Traditional” deployment patterns separate the application from its infrastructure. Lambda deployments turn this model on its head, binding the infrastructure tightly to the running code. This can be a challenge, especially when developing in a team: it is all too easy for one developer to accidentally overwrite another’s work. In this post I look at several deployment options, and how they impact a development team.
Android background processing – a decision guide
If you’ve ever done anything in Android that takes more than 16 milliseconds to process then you’ve probably heard of Android services and background processing in general. Why 16 milliseconds? At Android’s refresh rate of 60 frames per second, the main thread can not be delayed by more than 16 milliseconds to avoid frame skipping … Read More
Hunting the Wolf: App UX and Database Review
The Wolf Golf Scorecard app for Android, by Rod Biresch of Chariot Solutions, is a record-keeping application for a classic four-player golf game. Recently, Chariot had the opportunity to redesign and refresh the look-and-feel and usability of the application (first released in 2016) through a complete design deep-dive process.
Using the AWS CDK In Real Life
Another Charioteer rolls their own security camera system. This time in the cloud, with the shiny new AWS CDK.
Secrets Manager vs Parameter Store
AWS gives you two ways to store application configuration: Secrets Manager and Systems Manager Parameter Store. Both can store arbitrary configuration data. Both use IAM (Identity and Access Management) policies to control access. Both can encrypt the data. So which should you pick?
Tips for Teleworkers and Online Meetings
At Chariot, we’ve worked remotely for years. Here are some tips for new teleworkers (as well as some ideas for experienced ones as well).
CloudFormation Tips and Tricks
I’ve noticed that many of Chariot’s clients — from 4-person startups to 40,000-person multinationals — use CloudFormation for their infrastructure-as-code. For them and others, here are some tips that I’ve learned while developing CloudFormation templates over the past five years.
Delving into CloudTrail events
CloudTrail provides you with an audit log of every successful API call made in your AWS account. This post focuses on management events in CloudTrail, and techniques for exploring and analyzing those events using a search engine such as Elasticsearch with Kibana.
Using AWS CostExplorer to find forgotten services
In this post I’ll give an introduction to Budgets, and walk through using Cost Explorer to find a forgotten Sagemaker notebook.