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Building a REST App with Go, Gin, and Docker
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Gain insights into creating RESTful web apps using Go, Gin, and Docker. Learn about HTTP, containerization, and best practices for scalable, maintainable, and efficient web apps.

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Overview

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Web apps are used in all walks of life. Many tech companies have already adopted Go as the main language for their backends. As a result, there is a high demand for developers who can create them, especially those with expertise in modern technologies like Go and Docker. This course is a guide for creating RESTful web apps using Go and managing them through Docker. You’ll start with learning about HTTP and how it sends requests and responses to interact with an app’s server. You’ll learn about the basics of Go and its applications in web development. You’ll create an HTTP web server using Go’s popular web framework, Gin. Next, you’ll use Docker to containerize your app and manage its configuration. You’ll finish by learning some best practices that will make your apps easy to debug and maintain, saving costs in terms of time and effort. By the end of the course, you’ll become an expert in developing containerized web apps in Go that are efficient and easily scalable, and maintainable.

Web apps are used in all walks of life. Many tech companies have already adopted Go as the main language for their backends. As ...Show More

WHAT YOU'LL LEARN

An understanding of HTTP and its application in building a web app

Familiarity with core components of Docker, including building images and managing the app config through them

Hands-on experience in dockerizing and building a web app using Go

The ability to improve the development, release, and deployment process using structured logs, efficient build process, and smaller Docker images

An understanding of HTTP and its application in building a web app

Content

39 Lessons5 Quizzes

Getting Started

1 Lessons

Get familiar with backend development with Go, Gin, Docker, unit tests, and logging.

Introduction to the Course

Introduction to Basics of Go and Web Development

6 Lessons

Look at Go's advantages, web app basics, practical programming, and foundational Go concepts.

What is HTTP and an HTTP Web App?

Why Create an App in Go?

Some Popular Go Projects

Quick Recall of Go Concepts

Build and Run a Basic Go Program

Test Your Knowledge

Building a Simple Go App

8 Lessons

Work your way through setting up, managing dependencies, adding logic, and creating a UI for a Go web app.

Environment Setup and Scaffolding

Package Management and Go Modules

How to Use Go Modules in a REST App

Adding Business Logic to the App

A Little About Go Web Frameworks

Creating an HTTP Server Using Gin

Adding a User Interface for This App

Test Your Knowledge

Testing the App

4 Lessons

Apply your skills to unit testing, web app testing, and API endpoint verification using cURL.

Unit Testing in Go

Unit Testing a Web App

Testing the App Endpoints with cURL

Test Your Knowledge

Dockerizing the Web App

8 Lessons

Dig deeper into containerizing and managing multi-container apps using Docker and Docker Compose.

Introduction to Containers

Containerizing Apps Using Docker

Building and Running a Docker Container from a Dockerfile

Passing Additional Configurations to Docker Containers

What is Docker Compose?

Writing a Docker Compose File for the App

Using Docker Compose to Manage a Container

Test Your Knowledge

Can We Improve on the Docker Image?

2 Lessons

Follow the process of optimizing Docker build times and reducing image sizes using multistage builds.

How to Build Images Faster

Reducing the Size of the Image Using Multistage Builds

Making the App Production Ready

6 Lessons

Master the steps to make your Go, Gin, and Docker app production-ready and test-efficient.

What Else Does It Take to Make an App Production Ready?

Adding Logs in the App

Log Levels and Structured Logging

Managing Logs with Docker Volumes

Testing the Finished App Locally

Test Your Knowledge

Summary

1 Lessons

Gain a foundational understanding of building web apps with Go, Gin, and Docker.

Recap

Appendix

3 Lessons

Get started with setting up Go, Docker, and caching for efficient app development.

Setting up a Local Environment for Developing Apps in Go

Setting up Docker and Docker Compose

Enable Caching in CI Builds

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Sangeeta Singh

Developed by MAANG Engineers

Every Educative resource is designed by our team of ex-MAANG software engineers and PhD computer science educators — subject matter experts who’ve shipped production code at scale and taught the theory behind it. The goal is to get you hands-on with the skills you need to stay ahead in today's constantly evolving tech landscape. No videos, no fluff — just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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