switch to go modules

- commands used:
  GO111MODULE=on go mod init
  GO111MODULE=on go mod tidy

GNUmakefile

@@ -3,16 +3,9 @@ GOFMT_FILES?=$$(find . -name '*.go' |grep -v vendor)
 
 default: build
 
-build: vendor fmtcheck
+build: fmtcheck
 	CGO_ENABLED=0 go install -ldflags '-w -extldflags "-static"'
 
-GLIDE := $(shell command -v glide 2> /dev/null)
-ifndef GLIDE
-$(error "glide is not available. Install using `curl https://glide.sh/get | sh`" or if on Mac `brew install glide`)
-endif
-vendor: glide.yaml ## Install vendor dependencies
-	glide update --no-recursive
-
 test: fmtcheck
 	go test -i $(TEST) || exit 1
 	echo $(TEST) | \

go.mod

@@ -0,0 +1,10 @@
+module github.com/zambien/terraform-provider-apigee
+
+go 1.13
+
+require (
+	github.com/gofrs/uuid v3.2.0+incompatible
+	github.com/hashicorp/terraform v0.12.8
+	github.com/sethgrid/pester v0.0.0-20190127155807-68a33a018ad0 // indirect
+	github.com/zambien/go-apigee-edge v0.0.0-20190402181302-7d41f53971c1
+)