Description

A simple REST API written in Go

Running the server

git clone [email protected]:samiulsami/GolangBookstoreAPI.git

cd GolangBookstoreAPI

go install GoBookstoreAPI

GoBookstoreAPI serve --port=3000

API Endpoints

method	url	body	actions
GET	http://localhost:3000/api/v1/get-token		Set cookie and receive a jwt token
GET	http://localhost:3000/api/v1/books		returns all books in a JSON array
GET	http://localhost:3000/api/v1/books/{uuid}		returns book with given uuid
POST	http://localhost:3000/api/v1/books	a json object of appropriate format	adds a book
PUT	http://localhost:3000/api/v1/books/{uuid}	a json object of appropriate format	updates book with given uuid
DELETE	http://localhost:3000/api/v1/books/{id}		deletes book with given uuid

---

Example Book json object

{
    "uuid": null
    "name": "The Lord Of The Rings",
    "authorList": ["J.R.R. Tolkien"],
    "publishDate": "August 14, 2012",
    "ISBN": "978-0544003415"
}

Some cURL commands

Login using the credentials in the example .env file to receive a JWT $TOKEN and set cookie

curl --location 'http://localhost:3000/api/v1/get-token' \
--header 'Authorization: Basic QGRtaW5VU0VSbmFtZTpzdHJvbmdwYXNzd29yZA=='

Show all books

curl --location 'http://localhost:3000/api/v1/books' \
--header 'Authorization: Bearer $TOKEN'

Show book with given {id}

curl --location 'http://localhost:3000/api/v1/books/{uuid}' \
--header 'Authorization: Bearer $TOKEN'

Add book

curl --location 'http://localhost:3000/api/v1/books' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer $TOKEN' \
--data '{
    "name": "Lasdfdasford asdfadsasdfffasdfof the rings",
    "authorList": ["jrr tolfdaksien", "asldksalk", "asdfsdakjk"],
    "publishDate": "2023",
    "ISBN": "idk"
}'

Update book with given {id}

curl --location --request PUT 'http://localhost:3000/api/v1/books/{uuid}' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MDYxNjc1NTIsImlhdCI6MTcwNjE2NzI1Miwic3ViIjoiQGRtaW5VU0VSbmFtZSJ9.sw-ESZpt-Zhldo30xTMAhiKONmYy2W0CRecaCWyltD8' \
--data '{
    "name": "updated books",
    "authorList": ["jrr tolfdaksien", "asldksalk", "asdfsdakjk"],
    "publishDate": "2023",
    "ISBN": "idk"
}'

Delete book with given {id}

curl --location --request DELETE 'http://localhost:3000/api/v1/books/{1}' \
--header 'Authorization: Bearer $TOKEN'

---

Build and run Docker Image

Create a .env file with the appropriate username, password, and JWTSecretKey (see the .env.example file)

Run the following commands:

docker build -t sami7786/gobookstoreapi:latest .

docker run -p 3000:3000 sami7786/gobookstoreapi

---

Run with Kind

kind create cluster

kubectl apply -f deploy/raw/deployment.yaml

kubectl get pods

kubectl logs -f $pod_name

kubectl port-forward $pod_name 3000:3000

kubectl get nodes -o wide

The API endpoints are exposed on the internal IP of the node on port 30000

kubectl delete deployment --all

---

Run using Helm chart

helm install bookstorehelm deploy/helm

---

Makefile

Push changes to remote repository

make gitPush commitMessage = "my Message"

Compile and run the binary:

make run

Run with docker:

make dockerRun

Run with helm:

make helmInstall

Push docker image to dockerhub:

make dockerPush DOCKER_USER='username' DOCKER_PASSWORD='password'

Stop and delete all binaries/containers/pods:

make cleanAll

---

References

• https://github.com/shn27/BookStoreApi-Go
• https://github.com/MobarakHsn/api-server
• https://github.com/golang-jwt/jwt
• https://pkg.go.dev/github.com/golang-jwt/jwt/v5#New
• https://github.com/anisurrahman75/bookserver-api-mysql