ter. In the latter case, the developers had to install and operate a
rather complex environment on their local computer.</p><p>In the era of microservice architecture, the developers write, build, test and
run small software services. Builds are fast. With modern frameworks like
<a href=https://nodejs.org/en/>Node.js</a> there is no need to install and operate
complex server environments to test a single service, since the service runs as
a regular process. You do not have to deploy your service to some env