OpenEHR: Creating a Local Instance Using EHRbase and DockerIntroduction This guide will walk you through setting up a local instance of OpenEHR using EHR Base and Docker Compose. Prerequisites Before we begin, ensure you have the following: Docker and Docker Compose installed on your machine Docker Compose...Jan 31, 2025 · 2 min readjashelb90.hashnode.dev
Clean ArchitectureOverview The purpose of Clean architecture is the separation of our core logic from the inputs and outputs of the system in which it lives. We should always attempt to have a business logic layer that has zero dependencies on how we receive requests,...Jun 22, 2023 · 4 min readjashelb90.hashnode.dev
Athena - Working with JSONIntroduction If we are using Athena and consume source data that we have no control over and which varies in it's schema (perhaps event data from multiple sources providing unique information), then we need to provide a table that is flexible enough ...Aug 18, 2022 · 4 min readjashelb90.hashnode.dev
AWS Glue - Defining resources in CloudFormation for use with AthenaIntroduction Recently I have been working on a project that required a means of performing ETL operations on an S3 source bucket for the purpose of analysis. I decided to explore using a 'Crawler' provided as a service by AWS Glue in order to facilit...Aug 16, 2022 · 10 min readjashelb90.hashnode.dev
Athena- Getting StartedWhat is AWS Athena? Athena is a serverless 'interactive query service' that can be used to perform SQL queries against a number of sources within AWS. Being serverless, it has low management requirements as well as low cost. What Problem is it trying...Jul 21, 2022 · 7 min readjashelb90.hashnode.dev
