README.md

Author Pablo Picouto García

Let's GO

Examples of the most important features of this languages.

In order to follow examples, it's better read from top to bottom of the page.

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Features

• Types
• Collections
• Conditions
• Functions
• Methods
• Interfaces
• Error Handling
• Concurrency
• Pointers
• Context

Monads

• Maybe
• Try
• Either
• Future
• Collection

Patterns

• Dependency Injection & DDD
• Publisher/Subscriber
• Functional options
• Builder pattern
• Decorator pattern
• Observer pattern
• Pattern matching
• Strategy
• Circuit breaker

Connectors

• Rest
• Cassandra
• Kafka
• gRPC

Programs

• Customer order service
• Communications
• Who is watching

Kubernetes

Examples of Kubernetes Operators, that use Go client for talking to a kubernetes cluster.

Each operator is divide in the Operator_test that run the test and the Controller with the extended methods that interact with K8s API

• Namespace operator
• Pod operator
• Role Binding operator

GraphQL

Example of IMDb service implemented using GraphQL

• Server

You can run the test scenario and then make some queries like

curl -g 'http://localhost:12345/imdb?query={actors(movie:"Matrix"){name,age}}'
curl -g 'http://localhost:12345/imdb?query={actors(movie:"Fight_club"){name,age}}'

Vegeta Performance

Example of performance test using this awesome library

• Over 9000!

HexaGolang

A Project example implemented with Hexagonal architecture.

In this project we apply architect design patterns like CQRS:Command-Query-responsibility-segregation and Event Sourcing

We also implement idempotent for POST Operations

• program

StarWars Adventure

• game