Go (Golang) REST / GraphQL API Boilerplate

• DEMO (GraphQL Playground): https://go-gin-postgres-api.herokuapp.com/graphql
• DEMO (REST API Swagger): https://go-gin-postgres-api.herokuapp.com/swagger/index.html

Note: in demo, I disabled email

Used libraries:

• gin
• gin-swagger
• gorm
• jwt-go
• godotenv
• gqlgen
• testify
• go-sqlmock

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• Components Diagram

• See Swagger Doc http://localhost:3000/swagger/index.html

• See GraphQL Playground http://localhost:3000/graphql

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Features

• User Auth functionality (Signup, Login, Forgot Password, Reset Password)
• JWT Authentication
• REST API
• GraphQL API
• Gorm (Golang SQL DB ORM) with Postgres implementation and auto migration
• Configs via environmental variables
• Email notification (Welcome email, Reset password email)
• Swagger REST API documentation
• GraphQL playground
• Unit tests
• Dependency injection

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Run locally

Create .env at root, i.e.

MAILGUN_API_KEY=key-b9jksfh8s9843uhfsdhds
MAILGUN_DOMAIN=xxxxx.mailgun.org

EMAIL_FROM=support@go_api_boilerplate.com

DB_HOST=localhost
DB_PORT=5432
DB_USER=your-user
DB_PASSWORD=your-password
DB_NAME=local-dev-db

JWT_SIGN_KEY=secret
HAMC_KEY=secret
PEPPER=secret

ENV=development

APP_PORT=3000
APP_HOST=http://localhost

Run

# Terminal 1
docker-compose up        # docker-compose up (Run postgres)
docker-compose down      # docker-compose down (Shutdown postgres)

# Terminal 2
go run github.com/99designs/gqlgen -v # Generate Graphql stuff
swag init -g app/app.go               # Generates Swagger
go run *.go                           # Run application
go test -v -cover ./...               # Run go test

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Todo

• Input Validations
• Custom Error messages
• Logger
• More unit tests

maybe?

• gRPC
• Redis Streams
• Redis PubSub
• WebSocket
• MongoDB

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Contribution

Welcome for suggestions