diff --git a/Dockerfile b/Dockerfile
index 115a2fd..43b6159 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,12 @@ FROM golang:1.17 as build
 LABEL description="Build container"
 
 ENV CGO_ENABLED 0
-COPY . /build
 WORKDIR /build
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+
+COPY . .
 RUN go build github.com/RafayLabs/rcloud-base
 
 FROM alpine:latest as runtime