Go Transactions

This project is an API using the Go programming language.

Requires

• Docker and Docker Compose installed.

Nice to know

• GoLang version 1.14.10
• Web router gin-gonic/gin
• Clean Architecture Concept
• Project Layout

Get started

The essential commands are provided from the Makefile.

To run the project tests you can use the command test. For example:

make test

So to run the project in localhost as a development mode you can use the command start

make start

The start will up the http server in your machine in localhost:3000

Other make commands

• make build - build the image docker
• make lint - runs Go linters
• make bash - open the container bash
• make restart - restart the docker compose and containers
• make stop - stop the containers
• make clean - stop containers and clean the environment
• make logs [tail=50] - show the logs (tail is optional, the default value is 100)

How to use

This chapter show about how to use the API interface. We'll use the curl tool to show the examples.

Create a new account

Send a request to /accounts with the POST verb.

For example:

curl -X POST \
  localhost:3000/accounts \
  -d '{
    "account_id": 1,
    "document_number": "12345678900",
    "available_credit_limit": 1000
  }'

Response:

{
  "account_id": "1",
  "document_number": "12345678900",
  "available_credit_limit": 1000
}

Get account informations

Send a request to /accounts/:accountId with the GET verb, passing the accountId as account identifier.

For example:

curl localhost:3000/accounts/1

Response:

{
  "account_id": 1,
  "document_number": "12345678900",
  "available_credit_limit": 1000
}

Register a new transaction

Send a request to /transactions with the POST verb.

For example:

curl -X POST \
  localhost:3000/transactions \
  -d '{
    "account_id": 1,
    "operation_type_id": 4,
    "amount": 123.45
  }'

Get all transactions

Send a request to /transactions with the GET verb.

For example:

curl localhost:3000/transactions