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Node Reference - Delete
Prerequisites This article builds on the prior article: Node Reference - History. Deleting Humans make mistakes. Your users are humans, and sometimes they will create a product by mistake and will need to delete it. For that scenario, we need a DELETE{:target="_blank"} REST endpoint. There are two main classes of delete actions: a "hard" delete and...Node Reference - History
Prerequisites This article builds on the prior article: Patch. Tracking History The way our service is currently built, all modifications (PATCH requests) happen in-place to records in DynamoDB. It is common in most production applications that someone will want to know the history of a record. A business user may want to know who changed...Node Reference - Patch Product
Prerequisites This article builds on the prior article: Node Reference - Get Product by Id. Supporting Updates Sooner or later, there will be a need to modify a product. Except in the case of immutable data stores, rarely are there entities that are truely "insert only". In order to support this, we need...Node Reference - Get Product by Id
Prerequisites This article builds on the prior article: Node Reference - Listing. Add Get By Id At this point, we have only one way to get Products. We have to list all products and page through them to find the one we want. However, a lot of the time, a RESTful service client will have...Node Reference - List Products
Prerequisites This article builds on the prior article: Node Reference - Monitoring. Add listing Clients of our service will need a way to find products. For that, we need a product listing service. DynamoDB provides an operation for listing the contents of a table called a 'scan'. (As a table or index grows,...Node Reference - Introduction
Summary Most AWS microservice articles only show you the tip of the iceberg. We certainly can't blame the article authors. For starters, the SAM squirrel mascot is so darned cute! But more importantly, we all know that standing up a production web service involves far more considerations than you could ever cover...
Microservices in Practice: Challenges
In a previous article we discussed some of the positive characteristics of microservices that we've found while implementing them in a production setting. Two of the primary benefits we discussed are the architectural agility and enforcement of api boundaries. While you may find those and many more benefits from using microservices, you will also find that the positives don't...Hard Drive Sustainability
Your hard drive with very important family pictures has just failed, and now all data is lost forever. Could you have prevented this from happening? This article is a quick walk though of how to detect hard drive errors before the disk is unusable. At the end of this article, you...How RAID 5 Works at a Bitwise Level
RAID 5 is a pretty magical thing overall, though a large portion of its magic lies in how it works on a bitwise level. But before I get into the bitwise sorcery, I'd like to briefly explain what RAID5 is. RAID stands for Redundant Array of Inexpensive (or Independent) Disks....The Easiest Way to Organize Zimbra Email
If you're like me, receiving 30-40 emails is par for the day. Because Source Allies provides consulting services for companies wishing to implement or better take advantage of Zimbra, it is also the mail server we use at our company. Zimbra has incredible search capabilities, but my OCD tendencies still...