Fixing go docker file to use the correct golang path

Fixing java_base to edit permission on a key file

tools/dockerfile/grpc_go/Dockerfile

@@ -17,11 +17,11 @@ RUN echo 'StrictHostKeyChecking no' >> $HOME/.ssh/config
 RUN git config --global url."git@github.com:".insteadOf "https://github.com/"
 
 # Get the source from GitHub
-RUN go get github.com/google/grpc-go/rpc
+RUN go get google.golang.org/grpc
 
 # Build the interop client and server
-RUN cd src/github.com/google/grpc-go/rpc/interop/client && go install
-RUN cd src/github.com/google/grpc-go/rpc/interop/server && go install
+RUN cd src/google.golang.org/grpc/interop/client && go install
+RUN cd src/google.golang.org/grpc/interop/server && go install
 
 # Specify the default command such that the interop server runs on its known testing port
-CMD ["/bin/bash", "-c", "cd src/github.com/google/grpc-go/rpc/interop/server && go run server.go --use_tls=true --port=8020"]
+CMD ["/bin/bash", "-c", "cd src/google.golang.org/grpc/interop/server && go run server.go --use_tls=true --port=8020"]

tools/dockerfile/grpc_java_base/Dockerfile

@@ -34,6 +34,7 @@ RUN wget -O - https://github.com/google/protobuf/archive/master.tar.gz | \
 # Install a GitHub SSH service credential that gives access to the GitHub repo while it's private
 # TODO: remove this once the repo is public
 COPY .ssh/github.rsa /root/.ssh/id_rsa
+RUN chmod 600 /root/.ssh/id_rsa
 RUN echo 'Host github.com\nStrictHostKeyChecking no' > /root/.ssh/config
 
 # Trigger download of as many Maven and Gradle artifacts as possible. We don't build grpc-java