openapi: 3.0.3
info:
  title: User Management API
  version: 1.0.0
  description: A simple API to manage users
servers:
  - url: https://api.example.com/v1
    description: Production server
paths:
  /users:
    get:
      summary: List all users
      responses:
        '200':
          description: A list of users
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/User'
    post:
      summary: Create a new user
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/User'
      responses:
        '201':
          description: User created successfully
  /users/{userId}:
    get:
      summary: Get a user by ID
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: User details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/User'
        '404':
          description: User not found
components:
  schemas:
    User:
      type: object
      properties:
        id:
          type: string
          example: '123'
        name:
          type: string
          example: John Doe
        email:
          type: string
          example: john.doe@example.com
      required:
        - id
        - name
        - email