Udemy – Web Development with Kotlin Updated 6 2020
English | Size: 613 MB
Category: Tutorial
Build microservice in Kotlin without prior Java knowledge, using REST and GraphQL
What you’ll learn
Basics of Kotlin programming language
Ktor web framework
Working with databases using Exposed DSL
Dependency management with Gradle
Testing with Kotlin
Working with GraphQL
Running Kotlin inside Docker container and Docker Compose
Deploying Kotlin service to Heroku
Requirements
Some kind of web technology, be it JavaScript, PHP, Ruby or Python
Familiarity with Git
Basic SQL and Docker knowledge is also useful
Description
In this course, we’ll be building a microservice in Kotlin, and by the end of this course, it will be deployed to the cloud.The microservices will represent a cat hostel.
You’ll be able to add cats to its database, remove cats from it and list them.
Why cats hostel? Because as long as you know how to implement basic operations, you can build it for any kind of entities you need: supermarket orders, auction items, taxis, you name it. So, why not cats?
Why Kotlin?
Modern, productive and highly pragmatic language
Type safe
Null-safe
Generics that actually make sense
Intuitive
Extensible
Highly concurrent: Kotlin uses coroutines on top of best-in-class JIT provided by the JVM, that makes it one of the most efficient and concurrent languages nowadays
Rich ecosystem: be it PostgreSQL, Kafka or RabbitMQ, the most solid libraries are written for the JVM. And Kotlin is able to make use of all of them
Why this course?
There are many good tutorials and books about Kotlin programming language nowadays. But most of them make the assumption that you’re either and Android developer or at least familiar with Java programming language and its ecosystem.
This course make no such assumptions. If you’re and experienced PHP, Python, Ruby or NodeJS developer, with zero Java knowledge, this course was build with you in mind.
What you need to know:
Some kind of web technology, be it JavaScript, PHP, Ruby or Python. I expect you to be familiar with terms like Request, Response, JSON and HTTP headers at the very least.
Familiarity with Git. IÆll provide you with a link to the relevant branch on GitHub after most of the videos, and IÆll show you commands that I use, but I wonÆt dive deep into what they do.
Basic SQL and Docker knowledge is useful, but not mandatory.
What this course covers:
Basics of Kotlin programming language
Dependency management with Gradle
Ktor web framework
Testing with Kotlin
Working with databases using Exposed DSL
Running Kotlin inside Docker container and Docker Compose
Deploying Kotlin to Heroku
Exposing GraphQL API with Kotlin
What this course doesn’t cover:
Coroutines
Building UI in Kotlin
CI tools
Security
Each of them is a large topic by itself, and I wanted to keep this course as focused as possible, so youÆll be able to produce a working and well tested application in an hour or two.
Who this course is for:
Web developers that want to learn Kotlin
Backend developers that are interested in doing TDD with Kotlin
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