updated Makefile

Makefile

@@ -1,11 +1,10 @@
 # weather Makefile
 
+PROJECT=weather
 GOCMD=go
 GOBUILDCMD=${GOCMD} build
-GOOPTIONS=-mod=vendor -ldflags="-s -w"
-
-RMCMD=rm
-BINNAME=weather
+GOOPTIONS=-mod=vendor -ldflags="-s -w" -o ${PROJECT}
+RMCMD=/bin/rm
 
 SRCFILES=cmd/weather/*.go
 
@@ -15,4 +14,4 @@ build:
 	${GOBUILDCMD} ${GOOPTIONS} ${SRCFILES}
 
 clean:
-	${RMCMD} -f ${BINNAME}
+	${RMCMD} ${PROJECT}