Go fundamentals

• Mastering Go fundamentals
• Implement a command line interface
• Produce logs
• Create HTTP services
• Access to databases
• Dockerize and deploy a Go Application

Backend or Full Stack developers.

• Be familiar to general programmation, web standards and databases concepts
• Know how to clone a git repository
• Know how to launch shell commands

Module 1 : Introduction

• Presentation, organization of the course
• Go: Key-concepts, context, history
• Workstations conformity to prerequisites
  • Attendees workstation installation checks
  • Completing installations if needed
• Cloning git repository and preparing workspace

Module 2 : Fundamentals

• Compilation, execution
• Packages, imports
• Types, variables, constants
• Functions
• Conditional constructs
• Iterations

Labs:

• Exercise on functions and conditional constructs
• Exercise on iterations

Module 3: Structures and pointers

• Defer/panic/recover
• Structures
• Pointers

Labs:

• Mind agility game about pointers and structures

Module 4 : Fundamental aggregating types

• Arrays
• Slices
• Maps
• Iterations over such types
• Closures

Labs:

• Arrays and slices manipulations
• Closures

Module 5 : Methods and interfaces

• Methods and receivers
• Interfaces & Duck Typing
• The Empty interface
• Type assertions and type switches

Labs:

• Methods with struct receiver
• Type switches and recover

Module 6: Concurrent programmation

• Goroutines
• Channels
• Iterations on channels
• (non/) blocking I/O over channels
• Select : multiplexing

Labs:

• Goroutines
• Using channels for goroutines synchronization

Module 7 : Tooling

• Go tooling (run, build, test, …)
• The makefile
• Vendors
• Presentation of the training project

Module 8 : CLI : Command Line Interface

• Running an application via the command line
• Native and libraries
• CLI Arguments parsing

Labs:

• Completing the CLI management of the training application

Module 9 : Logging

• Logging in the application
• Native and libraries
• Configuring the logger
• Exploiting logs

Labs:

• Producing logs in the project application

Module 10 : Concurrency, multi-threading, unit tests

• Go solution (routines, channel)
• Channels multiplexing (select)
• Tests

Labs:

• Implementing a request counter

Module 11 : Data access

• Data access layers architecture
• Description of the data model
• Interface, DAO and Factory
• Testing and Mocking

Labs:

• Completing the model layer of the application
• Complete the DAO factory and the Mock implementation
• MongoDB ou PostgreSQL implementation

Module 12: Handling HTTP requests

• Go web packages: native and libraries
• Layered architecture of the web
• Middlewares
• Routage and Endpoints
• Web tests

Labs:

• Completing the “web” package of the application

Module 13: Build and deployment

• Dockerfile of a go executable
• Running the executable and the DB system (compose)
• Testing the service