Dropwizard

Dropwizard Health API

Health check and liveness endpoints.

Documentation GitHub OpenAPI

Operations 2

GET /healthcheck Run all health checks #

GET /ping Ping the application #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Dropwizard Admin Diagnostics Health API
  description: REST API provided by the Dropwizard admin servlet, exposing health checks, metrics, thread dumps, and operational tasks on the admin port.
  version: 4.0.0
  contact:
    name: Dropwizard
    url: https://www.dropwizard.io/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:8081
  description: Default Dropwizard admin port
tags:
- name: Health
  description: Health check and liveness endpoints.
paths:
  /healthcheck:
    get:
      operationId: getHealthChecks
      summary: Run all health checks
      description: Executes all registered health checks and returns their results. Returns 200 if all pass, 500 if any fail.
      tags:
      - Health
      responses:
        '200':
          description: All health checks passing.
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/HealthCheckResult'
        '500':
          description: One or more health checks failing.
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/HealthCheckResult'
  /ping:
    get:
      operationId: ping
      summary: Ping the application
      description: Simple liveness check that returns pong.
      tags:
      - Health
      responses:
        '200':
          description: Application is alive.
          content:
            text/plain:
              schema:
                type: string
                example: pong
components:
  schemas:
    HealthCheckResult:
      type: object
      properties:
        healthy:
          type: boolean
          description: Whether this health check is passing.
        message:
          type: string
          description: Optional message from the health check.
        duration:
          type: integer
          description: Time taken in milliseconds.
        timestamp:
          type: string
          format: date-time