/ping/{dbname}:
  get:
    tags:
    - metadata
    summary: Ping the server
    description: Ping endpoint to test connectivity with the server. Returns `"pong"`
    parameters:
      - name: dbname
        in: path
        description: name of the database
        required: true
        schema:
          type: string
          example: mydb
    responses:
      200:
        description: Returns the string `"pong"`
        content:
          'text/plain':
            schema:
              type: string
              value: pong
              example: pong