Debugging Java applications running on Docker.

Attack on Checkbox: When data ingestion gets ugly

A fun tale of when software is much easier said than done. Disclaimer: All material in this post has been used with permission. Certain details modified for client confidentiality. TL;DR: “Just read in data from Excel files. Easy!” We were wrong. When geometry, image analysis, and a little creativity come together to save a client countless hours of struggle. Shameless plug: if data ingestion troubles are keeping you up at night, contact us ! The Project That Started It All We founded our software consultancy so we could pursue our dreams in a way that full-time jobs wouldn’t let us: a touring death metal drummer, a mad roboticist, and a one-man band. It was just three of us in Calvin’s living room when our first client called. “We need a feature for our webapp where users can upload Excel and Word files, then it ingests all the form data to a database.” Sounds easy. Read in some files, parse the relevant pieces, and store them to a database. How hard coul

What Are Containers? A Simple Guide to Containerization and How Docker Works

Docker is awesome. I was late to the party and didn’t get hands-on until last year. But Docker has quickly become one of the favorite tools. It enables software developers to package, ship and run their applications anywhere without having to worry about setup or dependencies. Combined with Kubernetes, it becomes even more powerful for streamling cluster deployments and management. I digress. Back to Docker. Docker is loved by software developers and its adoption rate has been remarkable. So what exactly is Docker? It’s a platform for building, testing, deploying and publishing containerized applications. I say platform because Docker is a set of tools for managing all-things related to containers. Containers are at the heart of Docker so that’s what we’re going to explore in depth next. What is a Container? Containers provide a way to install and run your applications in isolated environments on a machine. Applications running inside a container are limited to resources (C

REST Resource Identifier (URI) Naming – REST API Tutorial

In REST, primary data representation is called Resource . Having a strong and consistent REST resource naming strategy – will definitely prove your one of the best design decisions in long term. The key abstraction of information in REST is a resource. Any information that can be named can be a resource: a document or image, a temporal service (e.g. “today’s weather in Los Angeles”), a collection of other resources, a non-virtual object (e.g. a person), and so on. In other words, any concept that might be the target of an author’s hypertext reference must fit within the definition of a resource. A resource is a conceptual mapping to a set of entities, not the entity that corresponds to the mapping at any particular point in time. Roy Fielding’s dissertation A resource can be a singleton or a collection . For example, “ customers ” is a collection resource and “ customer ” is a singleton resource (in a banking domain). We can identify “ customers ” collection resource using the

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