How to design & develop REST microservices in Golang (Go)

20h 26m 49s
English
Paid

Course description

In this second part of the series I'm working with MySQL, Cassandra and Elasticsearch as persistence layers and we're going to create 3 different microservices using different design patterns: MVC, featured MVC and Domain Driven Development implementing the Hexagonal architecture.

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At the end of the course you'll learn:

  • How to structure our application's packages and code.

  • MVC pattern, Domain Driven Development and Hexagonal Architecture applied!

  • How to configure MySQL client in Go. DAO pattern implemented.

  • How to configure and use CassandraDB client in Go.

  • How to configure and use Elasticsearch in Go.

  • Testing and mocking database integrations.

  • Stress test the microservice with goroutines.

  • How dependencies work in Go. Usage of Go modules.

  • How to build, publish, use and share a custom Go library.

  • Application design patterns.

  • Preparing our distributed logging system.

  • Real life examples and exercises.

Requirements:
  • Just complete the Golang tour available at Golang's website
  • Nice to have: Part 1 of this course

Who this course is for:

  • Software engineers.
  • Software developers.
  • Technical leaders.
  • Architects.
  • Anyone who wants to get serious about microservices in Go.

What you'll learn:

  • How to structure and organize your microservice.
  • Domain Driven Development.
  • Hexagonal architecture applied.
  • MySQL integration and configuration.
  • Integrate Cassandra DB in your microservices.
  • Elasticsearch integration and configuration.
  • Logging to standard output and log files.
  • DAO pattern implementation.
  • How to build, publish and use a custom Go library.
  • Testing all the layers of your application.
  • How dependencies work in Go.

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#1: Course goal: What we're going to build

All Course Lessons (47)

#Lesson TitleDurationAccess
1
Course goal: What we're going to build Demo
07:35
2
A quick preview
10:15
3
Create projects in Github
13:20
4
HTTP frameworks
10:12
5
Basic application structure: MVC pattern
30:10
6
Starting from our domain
46:35
7
How to structure our domain persistence
41:08
8
Working with dates
21:05
9
Configure MySQL client in Go
29:39
10
How to insert rows
26:42
11
How to read rows
14:59
12
How to handle MySQL errors
33:31
13
How to update rows
33:39
14
How to delete rows
21:43
15
How to find rows
51:43
16
How to marshal structs
33:04
17
Services structure
25:34
18
No logging system
38:08
19
OAuth authentication
11:28
20
Domain Driven Development
18:21
21
DDD - Starting with the domain
27:58
22
DDD - Project structure
36:27
23
Introduction to Cassandra DB
10:56
24
Cassandra Go client
22:11
25
How to insert, get and update records
29:58
26
Tune our get session implementation
05:51
27
Authenticating users
11:28
28
Generating access tokens
57:12
29
Different requests for the two APIs
15:37
30
Creating a shared OAuth library
52:46
31
How dependencies work: go get & dep
17:13
32
Defining transitive dependencies
06:32
33
Creating a shared utils library
26:42
34
Application structure: MVC & gorilla/mux
47:01
35
Configure our mux router
36:25
36
Introduction to Elasticsearch
12:11
37
Adding ElasticSearch client
29:45
38
Index documents in ES
38:59
39
Moving our logger to the utils library
33:04
40
Improving our errors library
32:47
41
Vendoring all of our APIs
17:57
42
How to get documents by ID
36:14
43
Searching documents in ES
44:47
44
Homework: Add delete and update endpoints
03:53
45
Testing our application: OAuth client
28:16
46
Use Docker to ship our Items API
24:00
47
Extra class - Take a look at my online content
01:48

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