© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021
N. LamouchiPro Java Microservices with Quarkus and Kuberneteshttps://doi.org/10.1007/978-1-4842-7170-4_2

2. Introduction to the Monolithic Architecture

Nebrass Lamouchi1  
(1)
Paris, France
 

Introduction to an Actual Situation

Nowadays, we use many methods to access online applications. For example, we can use a browser or client apps to access Facebook or Twitter. This is possible through their exposed Application Programming Interfaces (APIs). An API is a software boundary that allows two applications to communicate with each other using a specific protocol (HTTP, for example). In the Facebook context, when people use the mobile app while sending a message, ...

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