diff --git a/Dockerfile b/Dockerfile
index bd98d7b2..0193c55c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,12 +26,13 @@ FROM golang:1.18 as backend-build
 WORKDIR /go/src/github.com/fastenhealth/fastenhealth-onprem
 COPY . .
 
-RUN go mod vendor \
+RUN --mount=type=cache,target=/tmp/lock,sharing=locked \
+    go mod vendor \
     && go install github.com/golang/mock/mockgen@v1.6.0 \
     && go generate ./... \
     && go vet ./... \
-    && go test ./...
-RUN CGO_ENABLED=0 go build -o /go/bin/fasten ./backend/cmd/fasten/
+    && go test ./... \
+    && CGO_ENABLED=0 go build -o /go/bin/fasten ./backend/cmd/fasten/
 
 # create folder structure
 RUN mkdir -p /opt/fasten/db \