fix(README): adapt the README file to the current flucky source code

Makefile

@@ -10,8 +10,13 @@ GID?=$(shell id --group)
 # value is taken.
 VERSION:=$(or ${TRAVIS_TAG}, $(shell git rev-parse --short HEAD)-git)
 
+# CONTAINER_RUNTIME
 CONTAINER_RUNTIME?=$(shell which docker)
 
+# BUILD_IMAGE
+BUILD_IMAGE:=volkerraschek/build-image:latest
+
+# GO ENVIRONMENT
 GOARCH?=amd64
 GOOS?=linux
 
@@ -20,11 +25,20 @@ go-build: bindata
 	GOOS=${GOOS} \
 	GOARCH=${GOARCH} \
 		go build -ldflags "-X main.version=${VERSION}"
-	chown -R ${UID}:${GID} *
+	chown ${UID}:${GID} ./*
 
 go-test: go-build
 	go test -v ./pkg/...
 
+rpm-build: go-build
+	rpm-builder \
+		--arch x86_64 \
+		--compression gzip \
+		--exec-file "flucky:/usr/bin/flucky" \
+		--file "systemd/flucky.service:/usr/lib/systemd/system/flucky.service" \
+		--version ${VERSION} \
+		flucky-${VERSION}
+
 bindata:
 	go-bindata -pkg db -o ./pkg/db/bindataSQL.go ./pkg/db/sql/***
 	go-bindata -pkg goldenfiles -o ./test/goldenfiles/bindata.go ./test/goldenfiles/json/***
@@ -35,12 +49,20 @@ container-go-build:
 container-go-test:
 	$(MAKE) container-run COMMAND=go-test
 
+container-rpm-build:
+	$(MAKE) container-run COMMAND=rpm-build
+
 container-run:
 	${CONTAINER_RUNTIME} run \
-		--volume ${PWD}:/workspace \
 		--rm \
-		volkerraschek/build-image:latest\
-			make ${COMMAND} UID=${UID} GID=${GID} VERSION=${VERSION} GOOS=${GOOS} GOARCH=${GOARCH}
+		--volume ${PWD}:/workspace \
+		${BUILD_IMAGE} \
+			make ${COMMAND} \
+				UID=${UID} \
+				GID=${GID} \
+				VERSION=${VERSION} \
+				GOOS=${GOOS} \
+				GOARCH=${GOARCH}
 
 remote:
 	$(MAKE) go-build GOARCH=arm