PMM-11312 --version (#92)

Author: YaroslavPodorvanov

Diff for: Makefile

@@ -8,3 +8,10 @@ DOCKER_REPO  ?= prometheuscommunity
 include Makefile.common
 
 DOCKER_IMAGE_NAME       ?= postgres-exporter
+
+GO_BUILD_LDFLAGS = -X github.com/prometheus/common/version.Version=$(shell cat VERSION) -X github.com/prometheus/common/version.Revision=$(shell git rev-parse HEAD) -X github.com/prometheus/common/version.Branch=$(shell git describe --always --contains --all) -X github.com/prometheus/common/version.BuildUser= -X github.com/prometheus/common/version.BuildDate=$(shell date +%FT%T%z) -s -w
+
+export PMM_RELEASE_PATH?=.
+
+release:
+	go build -ldflags="$(GO_BUILD_LDFLAGS)" -o $(PMM_RELEASE_PATH)/postgres_exporter ./cmd/postgres_exporter