Use direct=true processes for go buildpack #265
Merged
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The go buildpack currently uses direct=false processes. AFAICT,
the buildpack itself, doesn't need to support direct=false process types
as it does not rely on any profile.d scripts or use any environment
variables as arguments for its process type. Direct=false processes
also have an extremely unintuitive/error causing behavior with arg
handling at runtime. For more info see
https://github.com/buildpacks/rfcs/blob/main/text/0093-remove-shell-processes.md#argument-handling
This also prevents divergence in the behavior of the output images
between the tiny stack and the other stacks with runtime arguments being
handled consistently now.
This also leads to performance improvements as direct=true processes
do not need to load bash/go through the shell for startup.
Related RFC paketo-buildpacks/rfcs#136
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