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Preview a web application

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Web Preview lets you run and test web applications directly from Cloud Shell in your browser—no deployment required.

Note

Web Preview is available only to Alibaba Cloud root accounts. RAM users cannot use this feature.

Prerequisites

Before you begin, ensure that you have:

  • An Alibaba Cloud root account

  • A web application that listens for HTTP requests on a port within the allowed range

    Start a web application

    Run a web application in Cloud Shell that listens on a port within the allowed range. The Cloud Shell proxy service restricts access to that port to your account only, over HTTPS.

    To start a simple Python HTTP server for testing, run the following command:

    cd `mktemp -d` \
    && echo '<html><body>Hello World</body></html>' >./index.html \
    && python -m http.server 60000

    Preview the application

    Click Web Preview, then select your application's port from the menu. Cloud Shell opens the proxy URL in a new browser window.

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