Assignment

Create a simple microservice ecosystem that can behave like a very simple transaction system (with accounts and transfers).

Features:

users can create accounts with simple details (Name; email; opening amount)
users can get account information.
users of the api can transfer money.
optional – authentication.
optional – persistent storage

Constraints:

use java 17+
easy to build (compile)
timebox to ~ 4hours
Git commit history

Tasks

Git Repo
Create Initial application
Create Account Service - Account Entity / Repository / Service / Controller
Create Transaction Service - Transaction Entity / Repository / Service / Controller
Create Test Cases
Create Dockerfile
Create Docker-compose
Create Documentation

Run

mvn clean install

cd target

java -jar .\assignment-0.0.1-SNAPSHOT.jar --spring.profiles.active=local

Docker

docker-compose up -d

API

Postman Collection

Assignment.postman_collection.json

Create Account

curl --location 'http://localhost:8080/api/v1/accounts/create' \
--header 'Content-Type: application/json' \
--header 'Cookie: JSESSIONID=24EC3ED0959E457C74140C3F4BDEED06' \
--data-raw '{
    "name":"Tinus",
    "email":"Tinus2@gmail.com",
    "balance":12000
}'

View Account

curl --location 'http://localhost:8080/api/v1/accounts/Tinus2@gmail.com' \
--header 'Cookie: JSESSIONID=5E4B63F6A855D06BD7E4F514FA51A34E'

Transfer

curl --location 'http://localhost:8080/api/v1/transactions/transfer' \
--header 'Content-Type: application/json' \
--header 'Cookie: JSESSIONID=24EC3ED0959E457C74140C3F4BDEED06' \
--data-raw '{
    "sourceAccountEmail":"Tinus2@gmail.com",
    "targetAccountEmail":"Tinus2@gmail.com",
    "amount":13000
}'

TinusJ / Assignment