feat(ws): Upgrade Go to 1.24 - tensorboard-controller component kubeflow#755

Author: Marina Koushnir

components/tensorboard-controller/Dockerfile

@@ -6,12 +6,14 @@
 FROM golang:1.24 as builder
 
 WORKDIR /workspace/tensorboard-controller
-# Copy the Go Modules manifests
-COPY tensorboard-controller /workspace/tensorboard-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
+# Copy only Go module files first for better layer caching
 COPY tensorboard-controller/go.mod tensorboard-controller/go.sum ./
+# Download dependencies based on mod files
 RUN go mod download
+# Now copy the full source
+COPY tensorboard-controller/ ./
 
 # Build
 RUN CGO_ENABLED=0 GOOS=linux go build -a -o /manager main.go
@@ -20,7 +22,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build -a -o /manager main.go
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
 FROM gcr.io/distroless/static:nonroot
 WORKDIR /
-USER 65532:65532
 COPY --from=builder /manager /manager
+USER 65532:65532
 
 ENTRYPOINT ["/manager"]