Production compression in your AppServer.

// dotnet add package Abscode.Compression
using Abscode.Compression;

var compressor = new Compressor(
  licenseKey: "abs_lic_..."
);

var result = await compressor.CompressAsync(
  input: "input.pdf",
  output: "output.pdf",
  options: new CompressionOptions {
    TargetDpi = 150,
    MaxSizeMb = 2,
    PreserveLayout = true
  }
);

Console.WriteLine($"Reduced by {result.ReductionPercent}%");