The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#) https://grpc.io/

Tim Emiola d2130c3561 Switches the grpc-repo dockerfiles to pull gRPC source from GitHub		10 years ago
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Dockerfile	Switches the grpc-repo dockerfiles to pull gRPC source from GitHub	10 years ago
README.md	Adding the tools directory to the git export.	10 years ago

GRPC PHP Base Dockerfile

Dockerfile for creating the PHP gRPC development Docker instance.

As of 2014/10 this

it installs tools and dependencies needed to build gRPC PHP
it does not install gRPC PHP itself; a separate Dockerfile that depends on this one will do that