Use a custom Go build with netpoller fixes

cmd/bigsky/Dockerfile

@@ -2,17 +2,38 @@
 #
 #   podman build -f ./cmd/bigsky/Dockerfile -t bigsky .
 
-### Compile stage
-FROM golang:1.22-alpine3.19 AS build-env
+FROM golang:1.23.3-alpine3.19 AS custom-go
 RUN apk add --no-cache build-base make git
 
+# Clone go source
+RUN git clone https://go.googlesource.com/go /gosource
+
+WORKDIR /gosource
+
+# Checkout go version 1.23.3
+RUN git checkout go1.23.3
+
+# Cherry pick the CL
+RUN git fetch https://go.googlesource.com/go refs/changes/97/564197/1 && git cherry-pick FETCH_HEAD
+
+# Build go
+RUN ./src/all.bash
+
+# Copy the artifacts to /export
+RUN mkdir -p /export
+RUN cp /gosource/bin/go /export/go
+
+
+### Compile stage
+FROM custom-go AS build-env
+
 ADD . /dockerbuild
 WORKDIR /dockerbuild
 
 # timezone data for alpine builds
 ENV GOEXPERIMENT=loopvar
 RUN GIT_VERSION=$(git describe --tags --long --always) && \
-    go build -tags timetzdata -o /bigsky ./cmd/bigsky
+    /export/go build -tags timetzdata -o /bigsky ./cmd/bigsky
 
 ### Build Frontend stage
 FROM node:18-alpine as web-builder

cmd/bigsky/custom_go.Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.23.3-alpine3.19 AS custom-go
+RUN apk add --no-cache build-base make git
+
+# Clone go source
+RUN git clone https://go.googlesource.com/go /gosource
+
+WORKDIR /gosource
+
+# Checkout go version 1.23.3
+RUN git checkout go1.23.3
+
+# Cherry pick the CL
+RUN git fetch https://go.googlesource.com/go refs/changes/97/564197/1 && git cherry-pick FETCH_HEAD
+
+# Build go
+RUN ./src/all.bash
+
+# Copy the artifacts to /export
+RUN mkdir -p /export
+RUN cp /gosource/bin/go /export/go