weather-app.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: weather-data
  namespace: apps
data:
  api.json: |
    {
      "weather": {
        "0": {"city": "GopherCity", "weather": "Moderate rain"},
        "1": {"city": "City of Gophers", "weather": "Sunny"},
        "2": {"city": "GopherRocks", "weather": "Cloudy"}
        }
    }

---
apiVersion: traefik.io/v1alpha1
kind: Middleware
metadata:
  name: stripprefix-weather
  namespace: apps
spec:
  stripPrefix:
    prefixes:
      - /api-key
      - /simple
      - /complex
      - /weather-v1-wrr
      - /weather-v1
      - /weather-multi-versions
      - /no-auth
      - /basic-auth
      - /api-key
      - /forecast

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: weather-app
  namespace: apps
spec:
  replicas: 1
  selector:
    matchLabels:
      app: weather-app
  template:
    metadata:
      labels:
        app: weather-app
    spec:
      containers:
        - name: api
          image: ghcr.io/traefik/api-server:v1.1.0
          args: ["-data", "/api/api.json", "-openapi", "/public/openapi.yaml", "-errorrate", "2"]
          imagePullPolicy: IfNotPresent
          volumeMounts:
          - name: api-data
            mountPath: /api
          - name: openapi
            mountPath: /public
      volumes:
        - name: api-data
          configMap:
            name: weather-data
        - name: openapi
          configMap:
            name: weather-app-openapispec

---
apiVersion: v1
kind: Service
metadata:
  name: weather-app
  namespace: apps
  labels:
    app: weather-app
spec:
  type: ClusterIP
  ports:
    - port: 3000
      name: api
  selector:
    app: weather-app

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: weather-app-openapispec
  namespace: apps
data:
  openapi.yaml: |
    openapi: "3.0.0"
    info:
      version: 1.0.0
      title: Weather
      description: Weather API
      contact:
        name: TraefikLabs
        url: 'https://traefik.io/'
      license:
        name: Apache 2.0
        url: 'https://spdx.org/licenses/Apache-2.0.html'
    tags:
      - name: external
        description: routes exposed publicly
      - name: internal
        description: routes reserved for internal usage
    paths:
      /weather:
        get:
          summary: Retrieve all registered weather of all cities
          operationId: getAll
          tags:
            - external
          responses:
            '200':
              description: An array of weather data
              content:
                application/json:
                  schema:
                    $ref: "#/components/schemas/weather"
            '404':
              $ref: '#/components/responses/notFound'
            '500':
              $ref: '#/components/responses/serverError'
        post:
          summary: Create a weather record
          operationId: post
          tags:
            - external
          requestBody:
            content:
              application/json:
                schema:
                  $ref: '#/components/schemas/weatherWithoutId'
          responses:
            '201':
              description: The created weather with its id
              content:
                application/json:
                  schema:
                    $ref: "#/components/schemas/weather"
            '500':
              $ref: '#/components/responses/serverError'
      /weather/{id}:
        get:
          summary: Retrieve weather of a city
          operationId: get
          tags:
            - external
          parameters:
            - name: id
              in: path
              description: Record ID
              required: true
              schema:
                type: string
          responses:
            '200':
              description: A weather
              content:
                application/json:
                  schema:
                    $ref: "#/components/schemas/weather"
            '404':
              $ref: '#/components/responses/notFound'
            '500':
              $ref: '#/components/responses/serverError'
        delete:
          summary: Delete weather of a city
          operationId: delete
          tags:
            - external
          parameters:
            - name: id
              in: path
              description: Record ID
              required: true
              schema:
                type: string
          responses:
            '204':
              $ref: '#/components/responses/noContent'
        put:
          summary: Update weather of a city
          operationId: put
          tags:
            - external
          parameters:
            - name: id
              in: path
              description: Record ID
              required: true
              schema:
                type: string
          requestBody:
            content:
              application/json:
                schema:
                  $ref: '#/components/schemas/weatherWithoutId'
          responses:
            '200':
              $ref: '#/components/responses/noContent'
        patch:
          summary: Patch weather data
          operationId: patch
          tags:
            - external
          parameters:
            - name: id
              in: path
              description: Record ID
              required: true
              schema:
                type: string
          requestBody:
            content:
              application/json-patch+json:
                schema:
                  $ref: '#/components/schemas/patchRequest'
          responses:
            '200':
              description: An array of forecasted weather data
              content:
                application/json:
                  schema:
                    $ref: "#/components/schemas/weather"
            '204':
              $ref: '#/components/responses/noContent'
            '401':
              $ref: '#/components/responses/unauthorized'
            '500':
              $ref: '#/components/responses/serverError'
    
    components:
      responses:
        created:
          description: "Created"
        noContent:
          description: "No content"
        notFound:
          description: "Not found"
        unauthorized:
          description: "Access token is missing or invalid"
        serverError:
          description: "Internal server error"
      schemas:
        weather:
          type: object
          required:
            - id
            - name
          properties:
            id:
              type: string
            city:
              type: string
            weather:
              type: string
        weatherWithoutId:
          type: object
          required:
            - name
          properties:
            city:
              type: string
            weather:
              type: string
        weathers:
          type: array
          maxItems: 100
          items:
            $ref: "#/components/schemas/weather"
        patchRequest:
          type: array
          items:
            oneOf:
              - $ref: '#/components/schemas/JSONPatchRequestAddReplaceTest'
              - $ref: '#/components/schemas/JSONPatchRequestRemove'
              - $ref: '#/components/schemas/JSONPatchRequestMoveCopy'
        JSONPatchRequestAddReplaceTest:
          type: object
          additionalProperties: false
          required:
            - value
            - op
            - path
          properties:
            path:
              description: A JSON Pointer path.
              type: string
            value:
              description: The value to add, replace or test.
            op:
              description: The operation to perform.
              type: string
              enum:
                - add
                - replace
                - test
        JSONPatchRequestRemove:
          type: object
          additionalProperties: false
          required:
            - op
            - path
          properties:
            path:
              description: A JSON Pointer path.
              type: string
            op:
              description: The operation to perform.
              type: string
              enum:
                - remove
        JSONPatchRequestMoveCopy:
          type: object
          additionalProperties: false
          required:
            - from
            - op
            - path
          properties:
            path:
              description: A JSON Pointer path.
              type: string
            op:
              description: The operation to perform.
              type: string
              enum:
                - move
                - copy
            from:
              description: A JSON Pointer path.
              type: string
      securitySchemes:
        bearerAuth:
          description: "Bearer Auth"
          type: http
          scheme: bearer
          bearerFormat: JWT