Remove gocenter.io proxy, use go 1.15

Dockerfile

@@ -1,5 +1,4 @@
-FROM golang:1.13-alpine AS builder
-MAINTAINER "<rmocius@gmail..com>"
+FROM golang:1.15-alpine AS builder
 
 ARG srcpath="/build/hostpath-provisioner"
 
@@ -9,7 +8,7 @@ RUN apk --no-cache add git && \
 ADD . "$srcpath"
 
 RUN cd "$srcpath" && \
-    GO111MODULE=on GOPROXY=https://gocenter.io \
+    GO111MODULE=on \
     CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
     go build -a -ldflags '-extldflags "-static"' -o /hostpath-provisioner
 

Makefile

@@ -1,16 +1,16 @@
 #
 IMAGE?=quay.io/rimusz/hostpath-provisioner
 
-TAG_GIT=$(IMAGE):v0.2.3
+TAG_GIT=$(IMAGE):v0.2.4
 TAG_LATEST=$(IMAGE):latest
 
-PHONY: all
-all: image push
-
 PHONY: test-image
 test-image:
 	docker build -t hostpath-provisioner -f Dockerfile .
 
+PHONY: all
+all: image push
+
 PHONY: image
 image:
 	docker build -t $(TAG_GIT) -f Dockerfile .
@@ -24,6 +24,5 @@ push:
 PHONY: hostpath-provisioner
 hostpath-provisioner: export CGO_ENABLED=0
 hostpath-provisioner: export GO111MODULE=on
-hostpath-provisioner: export GOPROXY=https://gocenter.io
 hostpath-provisioner: $(shell find . -name "*.go")
 	go build -a -ldflags '-extldflags "-static"' -o hostpath-provisioner .

go.mod

@@ -41,4 +41,4 @@ require (
 	sigs.k8s.io/yaml v1.1.0 // indirect
 )
 
-go 1.13
+go 1.15