openapi: 3.0.0
info:
  title: Generic Boilerplate Spec
  version: 0.1.0
  description:
    Boilerplate spec for micro services
  contact:
    email: stefan.haun@pingtech.de

servers:
  - url: http://localhost:8080/v0
tags:
  - name: mgmt
    description: Common management functions

paths:
  /health:
    get:
      summary: Provides health information about the service
      tags:
        - mgmt
      operationId: health
      responses:
        '200':
          description: endpoint is healthy
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/health'
        '500':
          $ref: '#/components/responses/InternalError'
  /oas3:
    get:
      summary: get this endpoint's Open API 3 specification
      tags:
        - mgmt
      responses:
        '200':
          description: returns the API spec
          content:
            text/plain:
              schema:
                type: string
        '500':
          $ref: '#/components/responses/InternalError'


components:
  schemas:
    health:
      type: object
      properties:
        git-version:
          type: string
        api-version:
          type: string
        timestamp:
          type: string
          format: date-time
        uptime:
          type: string
          example: ISO8601 conforming timespan
  responses:
    AuthenticationRequired:
      description: Authentication is required (401)
    NotAllowed:
      description: The call is not allowed with the provided authentication (403)
    InvalidInput:
      description: One or more parameters are missing or invalid (400)
      content:
        text/plain:
          schema:
            type: string
            example: error message
    InternalError:
      description: Internal error during execution (500)
      content:
        text/plain:
          schema:
            type: string
            example: error message