fix & bump go versions

go_grpc_bench/Dockerfile

@@ -1,12 +1,16 @@
-FROM golang:1.15
+FROM golang:1.17
 
 WORKDIR /app
 COPY go_grpc_bench /app
 COPY proto /app/proto
 
 RUN apt update && apt install -y protobuf-compiler
-RUN go get -u github.com/golang/protobuf/protoc-gen-go
-RUN protoc -I /app/proto/helloworld /app/proto/helloworld/helloworld.proto --go_out=plugins=grpc:/app/proto/helloworld
-RUN go build ./... && go install ./...
+RUN go get google.golang.org/protobuf/cmd/protoc-gen-go
+RUN go get google.golang.org/grpc/cmd/protoc-gen-go-grpc
+
+
+RUN mkdir -p /app/vendor
+RUN protoc -I /app/proto/helloworld /app/proto/helloworld/helloworld.proto --go-grpc_out=/app/ --go_out=/app/
+RUN go mod tidy && go mod vendor && go build ./... && go install ./...
 
 ENTRYPOINT example

go_grpc_bench/example/main.go

@@ -25,7 +25,7 @@ import (
 	"net"
 
 	"google.golang.org/grpc"
-	pb "google.golang.org/grpc/examples/helloworld/helloworld"
+	pb "local/proto/helloworld"
 )
 
 const (

go_grpc_bench/go.mod

@@ -1,11 +1,12 @@
 module example
 
-go 1.15
+go 1.17
 
 require (
-	github.com/golang/mock v1.1.1
-	github.com/golang/protobuf v1.4.2
-	golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be
-	google.golang.org/genproto v0.0.0-20200624020401-64a14ca9d1ad
-	google.golang.org/grpc v1.29.1
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+	google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98
+	google.golang.org/grpc v1.36.0
+	google.golang.org/protobuf v1.27.1
 )
+
+replace local => ./