checkoutservice: change port to 5050

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

src/checkoutservice/Dockerfile

@@ -9,5 +9,5 @@ FROM alpine as release
 RUN apk add --no-cache \
   ca-certificates
 COPY --from=builder /catalogservice /catalogservice
-EXPOSE 5000
+EXPOSE 5050
 ENTRYPOINT ["/catalogservice"]

src/checkoutservice/main.go

@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	listenPort = "5000"
+	listenPort = "5050"
 )
 
 type checkoutService struct {