Oct 15, 2026 · 24 min · 12 segments
**A comprehensive guide for transitioning from monolithic architectures to microservice-based systems. Through the lens of a fictional company called FTGO, the author illustrates the "monolithic hell"…
We have this great case study in the sources.
It's about Food To Go Inc., or FTGO.
They are a hypothetical online food delivery company, started back in, uh, 2005.
Yep.
And like almost everyone else at the time, their original architecture was a monolith.
It consisted of a single Java web application archive, which developers call a WAR file.
Exactly, yeah.
So basically, all their code, the billing, the routing, the menus, it was all bundled into one big single package.
And, um, in the beginning, choosing to build a monolith like that is a fantastic architectural decision.
It has tremendous initial benefits.
Like what?
Well, for one, it is incredibly simple to develop because your integrated development environment, your IDE, is just focused on building one single application.
Oh, I see.
You just open your laptop, load up the project, and absolutely everything you need is right there in one place.
It is, yeah, which also makes it very easy to test.
You can write these end-to-end tests that launch the application, invoke the API, and test the user interface all at once.
Because there aren't a bunch of moving parts scattered around.
Exactly.
Deployment is straightforward too.
A developer just copies that single file to a server.
And scaling, you just run multiple identical instances of that same application behind a load balancer.
So if you need more capacity to handle, like, lunchtime traffic, you just add more servers running that exact same file.
Yeah.
I got it.
It sounds idyllic.
We have this great case study in the sources.
It's about Food To Go Inc., or FTGO.
They are a hypothetical online food delivery company, started back in, uh, 2005.
Yep.
And like almost everyone else at the time, their original architecture was a monolith.
It consisted of a single Java web application archive, which developers call a WAR file.
Exactly, yeah.
So basically, all their code, the billing, the routing, the menus, it was all bundled into one big single package.
And, um, in the beginning, choosing to build a monolith like that is a fantastic architectural decision.
It has tremendous initial benefits.
Like what?
Well, for one, it is incredibly simple to develop because your integrated development environment, your IDE, is just focused on building one single application.
Oh, I see.
You just open your laptop, load up the project, and absolutely everything you need is right there in one place.
It is, yeah, which also makes it very easy to test.
You can write these end-to-end tests that launch the application, invoke the API, and test the user interface all at once.
Because there aren't a bunch of moving parts scattered around.
Exactly.
Deployment is straightforward too.
A developer just copies that single file to a server.
And scaling, you just run multiple identical instances of that same application behind a load balancer.
So if you need more capacity to handle, like, lunchtime traffic, you just add more servers running that exact same file.
Yeah.
I got it.
It sounds idyllic.
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