How do I serve an Image to client from Azure storage using Node API?

Question

I use this function from azure/storage-blob package to retrive my file from Azure but how can I serve it to client using express API?

async function getData(container = 'newcontainer1646492958419', fileName = "splashscreen_image.png") {
      const containerClient = blobServiceClient.getContainerClient(container);
      const blockBlobClient = containerClient.getBlobClient(fileName);
    
      const downloadBlockBlobResponse = await blockBlobClient.download(0);
      const resp = await streamToString(downloadBlockBlobResponse.readableStreamBody)
      return resp
    }
    
    async function streamToString(readableStream) {
      return new Promise((resolve, reject) => {
        const chunks = [];
        readableStream.on("data", (data) => {
          chunks.push(data.toString());
        });
        readableStream.on("end", () => {
          resolve(chunks.join(""));
        });
        readableStream.on("error", reject);
      });
    }