Ktor Server Pro

Part 3 - Order Service
[00:22] Introduction to order-service part
Module 1- Getting Started with order-service
[01:17] Theory: Understanding MySQL
[04:26] Creating a New Ktor Project For order-service
[08:06] Configuring Project
[07:02] Running MySQL Instance with Docker
[05:38] Creating Database Schema For order-service
[04:53] Connecting to MySQL
Module 2- Introduction to Exposed
[02:26] Theory: What is Exposed?
[10:46] Defining Tables
[04:53] Implementing OrderRepository
[10:18] Persisting Orders
Module 3- Exposed DSL
[08:59] Persisting OrderItems
[03:42] Replace Multiple INSERTS with One
[06:16] SELECT with WHERE clause
[06:31] Joining Tables
[07:32] Limit & Offset
[07:20] Defining Entities
Module 4- Exposed DAO
[06:37] Saving Orders
[04:31] Finding with where Clause
[02:37] Limit & Offset
[07:42] Implementing OrderService
Module 5- Exposed Transactions
[02:48] Important Thing About Transactions
[02:11] Theory: What are Server-Sent Events (SSE)?
Module 6- Server-sent Events (SSE)
[07:54] Retrieving Order Status with SSE
[04:00] Testing SSE with Postman
[04:16] Better Error Handling with Event Types
[07:46] Authentication & JWT
[03:23] Challenge: Organizing Routes
Module 7- Exposing Order REST Endpoints
[14:21] Challenge: Implementing Endpoint For Getting Order by Id
[04:45] Challenge: Adding Endpoint To Retrieve All Orders
[10:18] Challenge: Introducing Endpoint To Add New Order
[05:30] Challenge: Securing Previously Added Endpoint
[00:18] Order-service part summary
Part 4 -Chat Service
[00:15] Introduction to chat-service part
Module 1- Getting Started with chat-service
[02:17] Theory: Understanding WebSockets
[04:33] New Ktor Project For chat-service
[04:11] Configuring WebSockets Plugin
[11:45] Implementing Echo Endpoint
[07:27] Parameters & Connection Closing
[02:53] Sending Serialized Messages
[07:38] Broadcasting Messages
Module 2- Working With Multiple Users in WebSockets
[09:26] Introducing Closed Chats (Rooms)
[02:57] Theory: Problems with WebSockets in Microservices
[01:17] Theory: What is Redis Pub/Sub?
Module 3- Implementing Chat With Redis Pub/Sub
[10:01] Running & Connecting to Redis Docker Instance
[04:06] Publishing Messages
[03:05] Observing Channels
[05:13] Implementing Chat WebSocket Endpoint
[06:49] Unsubscribing From Redis
[11:01] Authentication & JWT
[00:24] Chat-service part summary
Course Outro
[00:54] Ktor Server Pro summary
Bonus Content
26.02.2025: MongoDB with Kotlin coroutines tutorial
06.03.2025: Mocking with MockK – full guide
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[07:38] Broadcasting Messages

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