},
	},
}

func mainHandler(w http.ResponseWriter, r *http.Request) {
	token := r.FormValue("token")
	if token == "" {
		writeErrorResponse(w, errors.New("token parameter not given"))
		return
	}

	rsp, ok := tokens[token]
	if !ok {
		w.WriteHeader(http.StatusForbidden)
		return
	}

	fmt.Printf("Allowed for token: %s user: %s\n", token, rsp.User)

	w.WriteHeader(http.StatusOK)
	json.NewEncoder(w).Encode(rsp)

      - emptyDir:
          medium: Memory
        name: local-certs
      - name: istio-token
        projected:
          sources:
            - serviceAccountToken:
                audience: {{ .Values.global.sds.token.aud }}
                expirationSeconds: 43200
                path: istio-token
      # Optional: user-generated root
      - name: cacerts
        secret:
          secretName: cacerts

      priorityClassName: system-node-critical
      terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }}
      volumes:
      - name: istio-token
        projected:
          sources:
          - serviceAccountToken:
              path: istio-token
              expirationSeconds: 43200
              audience: istio-ca
      - name: istiod-ca-cert
        configMap:
          name: istio-ca-root-cert

          echo "EOF" >> $GITHUB_ENV
      - name: Comment on PR if check failed
        if: ${{ failure() }}
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const output = `
            Some bad merge is found:
            \`\`\`
            ${{ env.OUTPUT }}
            \`\`\`
            `;

  release:
    types:
      - created

jobs:
  publish:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        package:
          - fastapi
          - fastapi-slim
    permissions:
      id-token: write
    steps:
      - name: Dump GitHub context
        env:
          GITHUB_CONTEXT: ${{ toJson(github) }}
        run: echo "$GITHUB_CONTEXT"
      - uses: actions/checkout@v4
      - name: Set up Python

Open your browser at <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.

There you can set:

* The "Item ID", used in the path.
* The "Token" used as a query parameter.

!!! tip
    Notice that the query `token` will be handled by a dependency.

With that you can connect the WebSocket and then send and receive messages:

<img src="/img/tutorial/websockets/image05.png">