Dependency and Makefile cleanups (#142)

Also update codes to fix new deprecation warning introduced by upgrading deps

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13-alpine as builder
+FROM golang:1.15-alpine as builder
 MAINTAINER FullStory Engineering
 
 # create non-privileged group and user
@@ -13,8 +13,6 @@ COPY standalone /tmp/fullstorydev/grpcui/standalone
 # and build a completely static binary (so we can use
 # scratch as basis for the final image)
 ENV CGO_ENABLED=0
-ENV GOOS=linux
-ENV GOARCH=amd64
 ENV GO111MODULE=on
 RUN go build -o /grpcui \
     -ldflags "-w -extldflags \"-static\" -X \"main.version=$(cat VERSION)\"" \

Makefile

@@ -22,7 +22,7 @@ install:
 
 .PHONY: release
 release:
-	@GO111MODULE=on go install github.com/goreleaser/goreleaser
+	@go install github.com/goreleaser/goreleaser@v0.134.0
 	goreleaser --rm-dist
 
 .PHONY: docker
@@ -33,9 +33,9 @@ docker:
 
 .PHONY: generate
 generate:
-	@go install github.com/go-bindata/go-bindata/go-bindata
-	@go install google.golang.org/protobuf/cmd/protoc-gen-go
-	@go install google.golang.org/grpc/cmd/protoc-gen-go-grpc
+	@go install github.com/go-bindata/go-bindata/go-bindata@8639be0519b3
+	@go install google.golang.org/protobuf/cmd/protoc-gen-go@a709e31e5d12
+	@go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1.0
 	go generate ./...
 
 .PHONY: checkgofmt
@@ -51,29 +51,31 @@ vet:
 
 .PHONY: staticcheck
 staticcheck:
-	@GO111MODULE=on go install honnef.co/go/tools/cmd/staticcheck
+	@go install honnef.co/go/tools/cmd/staticcheck@v0.0.1-2020.1.4
 	staticcheck ./...
 
 .PHONY: ineffassign
 ineffassign:
-	@GO111MODULE=on go install github.com/gordonklaus/ineffassign
+	@go install github.com/gordonklaus/ineffassign@7953dde2c7bf
 	ineffassign .
 
 .PHONY: predeclared
 predeclared:
-	@GO111MODULE=on go install github.com/nishanths/predeclared
+	@go install github.com/nishanths/predeclared@86fad755b4d3
 	predeclared .
 
 # Intentionally omitted from CI, but target here for ad-hoc reports.
 .PHONY: golint
 golint:
-	@GO111MODULE=on go install golang.org/x/lint/golint
+	# TODO: pin version
+	@go install golang.org/x/lint/golint@latest
 	golint -min_confidence 0.9 -set_exit_status ./...
 
 # Intentionally omitted from CI, but target here for ad-hoc reports.
 .PHONY: errcheck
 errcheck:
-	@GO111MODULE=on go install github.com/kisielk/errcheck
+	# TODO: pin version
+	@go install github.com/kisielk/errcheck@latest
 	errcheck ./...
 
 .PHONY: test

cmd/grpcui/grpcui.go

@@ -317,11 +317,11 @@ func main() {
 	}
 	var creds credentials.TransportCredentials
 	if !*plaintext {
-		var err error
-		creds, err = grpcurl.ClientTransportCredentials(*insecure, *cacert, *cert, *key)
+		tlsConf, err := grpcurl.ClientTLSConfig(*insecure, *cacert, *cert, *key)
 		if err != nil {
-			fail(err, "Failed to configure transport credentials")
+			fail(err, "Failed to create TLS config")
 		}
+		creds = credentials.NewTLS(tlsConf)
 		if *serverName != "" {
 			if err := creds.OverrideServerName(*serverName); err != nil {
 				fail(err, "Failed to override server name as %q", *serverName)

go.mod

@@ -1,21 +1,14 @@
 module github.com/fullstorydev/grpcui
 
-go 1.13
+go 1.15
 
 require (
-	github.com/fullstorydev/grpcurl v1.8.2
-	github.com/go-bindata/go-bindata v0.0.0-20191126083508-8639be0519b3 // indirect
+	github.com/fullstorydev/grpcurl v1.8.5
 	github.com/golang/protobuf v1.4.2
-	github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf // indirect
-	github.com/goreleaser/goreleaser v0.134.0 // indirect
-	github.com/jhump/protoreflect v1.9.0
-	github.com/nishanths/predeclared v0.0.0-20200524104333-86fad755b4d3 // indirect
+	github.com/jhump/protoreflect v1.10.1
 	github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	golang.org/x/net v0.0.0-20200625001655-4c5254603344
-	google.golang.org/api v0.29.0 // indirect
 	google.golang.org/grpc v1.37.0
-	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0 // indirect
 	google.golang.org/protobuf v1.25.1-0.20200805231151-a709e31e5d12
-	honnef.co/go/tools v0.0.1-2020.1.4 // indirect
 )