Build Golang RESTful API with Gorm, Gin and Postgres

1. How to Setup Golang GORM RESTful API Project with Postgres

This article will guide you on how you can set up a Golang project with the GORM library and PostgreSQL to build CRUD RESTful API to perform the basic Create/Get/Update/Delete operations

Topics Covered

What is an ORM?
Setup the Golang Project
- Initialize the Golang Project
- Create a PostgreSQL Docker Container
- Load and Validate the Environment Variables
- Create a Utility Function to Connect to PostgreSQL
Data Modeling and Migration with GORM
- Creating the Database Model with GORM
- Install the UUID OSSP Module for PostgreSQL
- Migrating the Schema with GORM
Create the Golang Server with Gin Gonic
Testing the Golang API

Read the entire article here: https://codevoweb.com/setup-golang-gorm-restful-api-project-with-postgres

2. API with Golang + GORM + PostgreSQL: Access & Refresh Tokens

This article will teach you how to secure a Golang application with access and refresh tokens using GORM, Postgres, Docker, and Docker-compose. Also, you will learn how to use the RS256 algorithm with private and public keys to sign the tokens.

Topics Covered

Golang, Gin & GORM JWT Authentication Overview
JWT Authentication Example with Golang and GORM
Generate the Private and Public Keys
Load and Validate the Environment Variables
Create the Database Models with GORM
Run the Database Migration with GORM
Hash and Verify the Passwords with Bcrypt
Sign and Verify the RS256 JSON Web Tokens
- Function to Generate the Tokens
- Function to Verify the Tokens
Create the Authentication Route Controllers
- Register User Controller
- Login User Controller
- Refresh Access Token Controller
- Logout Controller
Create a Middleware Guard
Create a User Controller
- Authentication Routes
- User Routes
Add the Routes to the Gin Middleware Stack

Read the entire article here: https://codevoweb.com/golang-gorm-postgresql-user-registration-with-refresh-tokens

3. Golang and GORM - User Registration and Email Verification

In this comprehensive guide, you will learn how to secure a Golang RESTful API with JSON Web Tokens and Email verification. We will start by registering the user, verifying the user's email address, logging in the registered user, and logging out the authenticated user.

Topics Covered

Golang and GORM JWT Authentication Overview
Create the Database Models with GORM
Database Migration with GORM
Generate and Verify the Password with Bcrypt
Sign and Verify the JWT (JSON Web Tokens)
- Update the Environment Variables File
- Validate the Variables with Viper
- Generate the JSON Web Tokens
- Verify the JSON Web Tokens
Create the SMTP Credentials
Setup the HTML Templates
- Add the HTML Email Base Template
- Add the HTML Email CSS Styles
- Add the Email Verification Template
- Create the Email Utility Function
Create the Controller Functions
- Function to Generate the Verification Code
- User Registration Controller
- Verify Email Controller
- Login User Controller
- Logout User Controller
- Get User Profile Controller
Create the Authentication Guard
Create Routes for the Controllers
- Auth Routes
- User Routes
Register the Routes and Start the Golang Server

Read the entire article here: https://codevoweb.com/golang-and-gorm-user-registration-email-verification

4. Forgot/Reset Passwords in Golang with SMTP HTML Email

This article will teach you how to add a secure forgot/reset password feature to a Golang RESTful API application. We will generate the HTML Email templates with the standard Golang template package and send them via SMTP with the Gomail package.

Topics Covered

Forgot Password and Password Reset Flow
Create the Database Models with GORM
Create an SMTP Account
Setup the HTML Templates
- Add the Email Template CSS
- Add the Password Reset HTML Template
Encoding/Decoding the Password Reset Code
Create a Utility Function to Send the Emails
Add the Forgot Password Route Handler
Add the Reset Password Route Handler
Add the API Routes to the Gin Middleware Stack

Read the entire article here: https://codevoweb.com/forgot-reset-passwords-in-golang-with-html-email

5. Build a RESTful CRUD API with Golang

This article will teach you how to create a CRUD RESTful API in a Golang environment that runs on a Gin Gonic server and uses a PostgreSQL database. We’ll also discuss how you can build models, connect to the running SQL database server, and run database migrations with the GORM library.

Topics Covered

What is a REST API
What is a REST API
What is GORM
What is Gin Gonic
Create the Database Models with GORM
Generating the SQL Table with GORM
Creating CRUD Functions in a RESTful API
- Create a Constructor for the CRUD Operations
- Create Operation Route Handler
- Update Operation Route Handler
- Retrieve a Single Record Route Handler
- Retrieve All Records Route Handler
- Delete Operation Route Handler
Creating Routes for the CRUD Operations
Update/Configure the Golang API Server
Testing the Golang CRUD API with Postman
- Log into the API
- Creating a New Record
- Updating the Record
- Request a Single Record
- Retrieve all Records with Paginated Results
- Delete a Record

Read the entire article here: https://codevoweb.com/build-restful-crud-api-with-golang