Node.js + Express + Redis = Web Service

The goal is to provide real-time information from Redis Cache via Node.js to web clients. The data include temperature, ozone levels and humidity, collected from devices in various regions. A sample record: key: be65-429a-8706a:region2 value: [{“id”:”be65-429a-8706a:region2″,”x”:175.1319,”y”:174.3768,”ts”:”Thu Oct 15 2015 14:03:33 GMT+0000 (UTC)”,”temp”:”32.7″,”humidity”:”87.2″,”o3ppm”:”0.420″}] For this demonstration, I used openSUSE 13.2 x86-64 on a single core VM with 1.75GB of RAM and installed Node.js v4.2 via zypper. I also installed redis version 3.0.4 for local testing, but the […]