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Massad
565 Stars 97 Forks MIT License 49 Commits 1 Opened issues

Description

The fastest way to deploy a restful api's with Gin Framework with a structured project that defaults to PostgreSQL database and JWT authentication middleware stored in Redis

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License GitHub release (latest by date) Go Version DB Version DB Version

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Join the chat at https://gitter.im/Massad/gin-boilerplate

Welcome to Golang Gin boilerplate v2

The fastest way to deploy a restful api's with Gin Framework with a structured project that defaults to PostgreSQL database and JWT authentication middleware stored in Redis

Configured with

  • go-gorp: Go Relational Persistence
  • jwt-go: JSON Web Tokens (JWT) as middleware
  • go-redis: Redis support for Go
  • Go Modules
  • Built-in CORS Middleware
  • Built-in RequestID Middleware
  • Feature PostgreSQL 12 with JSON/JSONB queries & trigger functions
  • SSL Support
  • Enviroment support
  • Unit test
  • And few other important utilties to kickstart any project

Installation

$ go get github.com/Massad/gin-boilerplate
$ cd $GOPATH/src/github.com/Massad/gin-boilerplate
$ go mod init
$ go install

You will find the database.sql in

db/database.sql

And you can import the postgres database using this command:

$ psql -U postgres -h localhost < ./db/database.sql

Tip:

You will find that we added 2 trigger functions to the dabatase:

  • public.created_at_column()
  • public.update_at_column()

Those are added to the

updated_at
and
created_at
columns to update the latest timestamp automatically in both user and article tables. You can explore the tables and public schema for more info.

Running Your Application

Rename .envrenameme to .env and place your credentials

$ mv .env_rename_me .env

Generate SSL certificates (Optional)

If you don't SSL now, change

SSL=TRUE
to
SSL=FALSE
in the
.env
file
$ mkdir cert/
$ sh generate-certificate.sh

Make sure to change the values in .env for your databases

$ go run *.go

Building Your Application

$ go build -v
$ ./gin-boilerplate

Testing Your Application

$ go test -v ./tests/*

Import Postman Collection (API's)

Download Postman -> Import -> Import From Link

https://www.postman.com/collections/7f941b400a88ddd9c137

Includes the following:

  • User
    • Login
    • Register
    • Logout
  • Article
    • Create
    • Update
    • Get Article
    • Get Articles
    • Delete
  • Auth
    • Refresh Token

In Login request in Tests tab:

pm.test("Status code is 200", function () {
    pm.response.to.have.status(200);

var jsonData = JSON.parse(responseBody);
pm.globals.set("token", jsonData.token.access_token);
pm.globals.set("refresh_token", jsonData.token.refresh_token);

});

It captures the

access_token
from the success login in the global variable for later use in other requests.

Also, you will find in each request that needs to be authenticated you will have the following:

Authorization -> Bearer Token with value of {{token}}

It's very useful when you want to test the APIs in Postman without copying and pasting the tokens.

On You

You will need to implement the

refresh_token
mechanism in your application (Frontend).

We have the

/v1/token/refresh
API here to use it.

For example:

If the API sends

401
Status Unauthorized, then you can send the
refresh_token
that you stored it before from the Login API in POST
/v1/token/refresh
to receive the new
access_token
&
refresh_token
and store them again. Now, if you receive an error in refreshing the token, that means the user will have to Login again as something went wrong.

That's just an example, of course you can implement your own way.

Version 1

No longer supported

You will find the last update on v1 in v1-session-cookies-auth branch or v1.0.5 release that supported the authentication using the session and cookies stored in Redis if needed.

  • RedisStore: Gin middleware for session management with multi-backend support (currently cookie, Redis).

Contribution

You are welcome to contribute to keep it up to date and always improving!

If you have any question or need help, drop a message at https://gitter.im/Massad/gin-boilerplate

Credit

The implemented JWT inspired from this article: Using JWT for Authentication in a Golang Application worth reading it, thanks Victor Steven


License

(The MIT License)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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