Istio remote debugging patches

dockerfile.patch

diff --git a/pilot/docker/Dockerfile.pilot b/pilot/docker/Dockerfile.pilot
index e5d6bca10c..62bdf954bc 100644
--- a/pilot/docker/Dockerfile.pilot
+++ b/pilot/docker/Dockerfile.pilot
@@ -8,6 +8,9 @@ ARG ISTIO_BASE_REGISTRY=gcr.io/istio-release
 # The following section is used as base image if BASE_DISTRIBUTION=debug
 FROM ${ISTIO_BASE_REGISTRY}/base:${BASE_VERSION} AS debug
 
+FROM golang:1.25 AS dlv
+RUN go install github.com/go-delve/delve/cmd/dlv@latest
+
 # The following section is used as base image if BASE_DISTRIBUTION=distroless
 FROM ${ISTIO_BASE_REGISTRY}/distroless:${BASE_VERSION} AS distroless
 
@@ -17,7 +20,9 @@ FROM ${BASE_DISTRIBUTION:-debug}
 
 ARG TARGETARCH
 COPY ${TARGETARCH:-amd64}/pilot-discovery /usr/local/bin/pilot-discovery
+COPY --from=dlv /go/bin/dlv /usr/local/bin/dlv
 
 USER 1337:1337
 
-ENTRYPOINT ["/usr/local/bin/pilot-discovery"]
+EXPOSE 40000
+ENTRYPOINT ["/usr/local/bin/dlv", "--continue", "--accept-multiclient", "--listen=:40000", "--check-go-version=false", "--headless=true", "--api-version=2", "--log=true", "--log-output=debugger,debuglineerr,gdbwire,lldbout,rpc", "exec", "/usr/local/bin/pilot-discovery", "--"]