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# workers-discussions
  • c
  • h
    My videos are stored on R2 so it'd be quite nice to find a way to clip them without needing to go to an external service and without switching over to Cloudflare Stream
  • c
    You'd probably also run into the resource limits with workers
  • h
    oh, what are those set to?
  • h
    oh wow, they're quite tiny
  • c
  • h

    https://cdn.discordapp.com/attachments/779390076219686943/1107500278166585374/image.png▾

  • h
    i see, i guess i'll have to look at GCP or lambda then
  • d
  • h
    why?
  • d
    you can do all of your biz logic in a Worker (way easier IMO), and then have a dumb Lambda.
  • h
    the main logic is here is mp4 url, and start end time, clip it and upload to bucket
  • h
    how would having a worker call that lambda help?
  • d
    do you plan on exposing this to the internet?
  • h
    no
  • d
    oh
  • h
    is for use only by the backend
  • h
    so would have locked down to that
  • a
    Hello! I'm wondering if it's possible to create a worker with both a fetch and schedule function. If it is possible, would it be considered best practice to combine them into a single worker, or would it be better to create separate workers for the schedule and fetch methods?
  • d
    You can define all handlers in a single worker, without any issues. I consider it a good practice, as the two can share code, but (bearing in mind the limited number of workers per account) keeping them separate is also fine
  • a
    Thank you for the answer : )
  • s
    Hello, can I use Cloudflare Workers with OpenAI Chat Server Sent Events? Are there any restrictions as such?
  • z
    I think you can, cloudflare don't buffer response. SSE should working fine.
  • s
    yes, you can. it works very well. we do it in production at scale (https://koala.sh)
  • s
    it is a bit tricky if you want to properly parse the stream inside the worker itself like we need to do. I built some custom parsing and timeout handling based off this . good luck 😉 I would stick to parsing on the client if you can
  • d
    There appears to be a significant issue with uploading files with POST. It works fine with small files (a hundred KB), but anything over 2 MB appears to be certain to fail. Also, if the file is a bit less, it may not cause that call to fail, but it will cause the next call to fail. By fail, I mean the request never completes (is stuck as "pending"). Attached is a barebones test case, which reproduces this issue. https://cdn.discordapp.com/attachments/779390076219686943/1107668370779799615/test.zip
  • s
    Could you make it as a git repo or something easier to access? 🙂
  • d
    Copy code
    export interface Env 
{
    env:string; //"prod" or "dev"
}

export default 
{
    async fetch(request:Request, env:Env, context:ExecutionContext):Promise<Response> 
    {
        let response = new Response('{}');
        response.headers.set('Access-Control-Allow-Headers', 'Content-Type, X-Json');    
        response.headers.set('Access-Control-Allow-Origin', '*');
        response.headers.set('Access-Control-Allow-Methods', 'POST, GET, OPTIONS');
        response.headers.set('Access-Control-Max-Age', '86400');
        
        return response;        
    }
};
  • d
    Copy code
    <!DOCTYPE html>
<html>
  <head>
    <title>File Upload Test</title>
  </head>
  <body>
    <h1>File Upload Test</h1>
    <form id="uploadForm">
      <input type="file" id="fileInput" name="file" />
      <button type="submit">Upload</button>
    </form>

    <script>
      document.getElementById('uploadForm').addEventListener('submit', function (event) 
      {
        event.preventDefault();
        
        var fileInput = document.getElementById('fileInput');
        var file = fileInput.files[0];

        var formData = new FormData();
        formData.append('file', file);

        fetch('http://127.0.0.1:8081/', {method:'POST', body:formData}).then(response => 
        {
            if (response.ok) alert('File uploaded successfully.');
            else alert('Error uploading file.');
        }).catch(error => 
        {
            console.error('Error:', error);
        });
      });
    </script>
  </body>
</html>
  • d
    that's it
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