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

Craig Tiller 30fd935a4f Merge github.com:google/grpc into async-api		10 years ago
..
Dockerfile	Merge github.com:google/grpc into async-api	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