Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Headless Builder for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Headless Builder v1.8.7 (Latest version)
Headless Builder v1.6.4
Headless Builder v1.1
Did you know your Unity headless build could be so much faster?
That’s right, your dedicated server is wasting resources and money.
Optimize your headless build or dedicated server with one click!
Save tons and tons of CPU, RAM and disk space!
Make your life much easier!
BEST PERFORMANCE
– Strips unneeded assets like textures, sounds and video.
– Disables all graphics rendering, including lighting and shaders.
– Disables audio rendering.
– Skips shader variant compilation.
– Skips lightmap baking.
BEST EXPERIENCE
– Works out-of-the-box.
– Make regular builds and headless builds within one project.
– Supports multiple build profiles.
– Extensive documentation.
BEST FEATURES
– Highly configurable.
– Cross-platform.
– Supports batch building and Unity Cloud Build.
– Can strip debug log messages from your build.
– Can output log messages to console instead of file.
– Generates a readme file.
BEST EXTENSIBILITY
– Script functions, callbacks and define directives available.
– Can execute specific code only on headless builds.
– Simple examples attached.
– Full source code included.
SOLVES COMMON ISSUES
– “Global Illumination requires a graphics device to render albedo” error? Solved!
– “Cannot find card 0” error? Solved!
– “Unknown PCM default” error? Solved!
and much more!
Supports Unity 5.6, 2017, 2018 and 2019.