Sequence number service

Microservice generating sequence numbers for resources.

Getting started

Adding the service to your stack

Add the following snippet to your docker-compose.yml:

  sequence-numbers:
    image: rollvolet/sequence-numbers-service

Add the following rule to the dispatcher config in ./config/dispatcher/dispatcher.ex

  post "/sequence-numbers/*path", @json do
    Proxy.forward conn, path, "http://sequence-numbers/sequence-numbers/"
  end

Reference

API

POST /sequence-numbers

Get the next sequence number for a product

Response

• 200 OK on successfull generation of a next sequence number.

Example response body

{
  "data": {
    "type": "sequence-number",
    "id": "712a8670-2c45-11eb-865b-d941594a75d9",
    "attributes": {
      "value": 6344
    }
  }
}

POST /reset

Reset the in-memory cache of sequence numbers

Response

• 204 No Content on successfull reset of the in-memory cache

GET /cache

Get the current state of the in-memory sequence numbers cache

Response

• 200 OK containing the current state of the cache in the response body

Example response body

{
  "data": {
    "type": "sequence-number",
    "id": "712a8670-2c45-11eb-865b-d941594a75d9",
    "attributes": {
      "value": 6344
    }
  }
}