Merge pull request #94 from bartoszmajsak/docker_copy_go_modules

fix(docker): splits COPY with go.mod first

components/odh-notebook-controller/Dockerfile

@@ -9,14 +9,15 @@ FROM golang:${GOLANG_VERSION} as builder
 
 WORKDIR /workspace
 
-# Copy the Go Modules manifests
-COPY notebook-controller /workspace/notebook-controller
-COPY odh-notebook-controller /workspace/odh-notebook-controller
+COPY odh-notebook-controller/go.* /workspace/odh-notebook-controller/
 
 # cache deps before building and copying source so that we don't need to re-download as much
 # and so that source changes don't invalidate our downloaded layer
 RUN cd /workspace/odh-notebook-controller && go mod download
 
+COPY notebook-controller /workspace/notebook-controller
+COPY odh-notebook-controller /workspace/odh-notebook-controller
+
 WORKDIR /workspace/odh-notebook-controller
 
 # Build