From 3a48e413a5ec50779eaed1519641db1218af6dc6 Mon Sep 17 00:00:00 2001
From: "Lance R. Vick" <lance@lrvick.net>
Date: Thu, 14 Dec 2023 08:27:58 -0800
Subject: [PATCH] fix go build and add test

---
 go/Dockerfile | 57 ++++++++++++++++++++++++++-------------------------
 go/test.go    |  7 +++++++
 2 files changed, 36 insertions(+), 28 deletions(-)
 create mode 100644 go/test.go

diff --git a/go/Dockerfile b/go/Dockerfile
index 295fda1..b0e39b6 100644
--- a/go/Dockerfile
+++ b/go/Dockerfile
@@ -1,27 +1,28 @@
-ARG REGISTRY = local
-ARG BUSYBOX_VERSION = latest
-FROM ${REGISTRY}/busybox:${BUSYBOX_VERSION} as busybox
+ARG REGISTRY=local
+ARG BUSYBOX_VERSION=latest
 FROM ${REGISTRY}/bash:latest as bash
 FROM ${REGISTRY}/gcc:latest as gcc
 FROM ${REGISTRY}/binutils:latest as binutils
 FROM ${REGISTRY}/musl:latest as musl
-
-FROM busybox as stage1
-COPY --from=bash . /bin/
+FROM ${REGISTRY}/busybox:${BUSYBOX_VERSION} as base
+ENV GOOS=linux
+ENV CGO_ENABLED=0
 COPY --from=gcc . /
-COPY --from=binutils . /
+COPY --from=bash . /
 COPY --from=musl . /
+RUN rm /bin/ar
+COPY --from=binutils . /
+
+FROM base as build-stage1
 ENV GO_SITE=https://dl.google.com/go
 ENV GO_VERSION=1.4-bootstrap-20171003
 ENV GO_HASH=f4ff5b5eb3a3cae1c993723f3eab519c5bae18866b5e5f96fe1102f0cb5c3e52
-ENV GOOS=linux
-ENV CGO_ENABLED=0
 ENV GOROOT_FINAL=/home/user/go-stage1
 ENV GOROOT=${GOROOT_FINAL}
-ENV GOBIN=${GOROOT_FINAL}/bin
 ENV DEST=${GOROOT_FINAL}
+ENV GOBIN=${GOROOT_FINAL}/bin
 RUN wget ${GO_SITE}/go${GO_VERSION}.tar.gz
-RUN echo "${GO_HASH} go${GO_VERSION}.tar.gz" | sha256sum -c
+RUN echo "${GO_HASH}  go${GO_VERSION}.tar.gz" | sha256sum -c
 RUN tar -xzf go${GO_VERSION}.tar.gz
 WORKDIR go
 RUN set -eux; \
@@ -31,23 +32,19 @@ RUN set -eux; \
     mkdir -p ${DEST}; \
     cp -R bin lib pkg src ${DEST}
 
-FROM busybox as stage2
-COPY --from=stage1 /home/user/go-stage1 go-stage1
-COPY --from=musl . /
-COPY --from=bash . /bin/
+FROM base as build-stage2
+COPY --from=build-stage1 /home/user/go-stage1 go-stage1
 ENV GO_VERSION=1.19.11
 ENV GO_HASH=e25c9ab72d811142b7f41ff6da5165fec2d1be5feec3ef2c66bc0bdecb431489
 ENV GO_SITE=https://storage.googleapis.com/golang
-ENV GOOS=linux
 ENV GO11MODULE=off
-ENV CGO_ENABLED=0
 ENV GOROOT_BOOTSTRAP=/home/user/go-stage1
 ENV GOROOT_FINAL=/home/user/go-stage2
 ENV GOROOT=${GOROOT_FINAL}
-ENV GOBIN=${GOROOT_FINAL}/bin
 ENV DEST=${GOROOT_FINAL}
+ENV GOBIN=${GOROOT_FINAL}/bin
 RUN wget ${GO_SITE}/go${GO_VERSION}.src.tar.gz
-RUN echo "${GO_HASH} go${GO_VERSION}.src.tar.gz" | sha256sum -c
+RUN echo "${GO_HASH}  go${GO_VERSION}.src.tar.gz" | sha256sum -c
 RUN tar -xvzf go${GO_VERSION}.src.tar.gz
 WORKDIR go
 RUN set -eux; \
@@ -57,25 +54,22 @@ RUN set -eux; \
     mkdir -p ${DEST}; \
     cp -R bin lib pkg src ${DEST}
 
-FROM busybox as stage3
-COPY --from=stage2 /home/user/go-stage2 go-stage2
-COPY --from=bash . /bin/
+FROM base as build
+COPY --from=build-stage2 /home/user/go-stage2 go-stage2
 ENV GO_VERSION=1.21.4
 ENV GO_HASH=47b26a83d2b65a3c1c1bcace273b69bee49a7a7b5168a7604ded3d26a37bd787
 ENV GO_SITE=https://storage.googleapis.com/golang
-ENV GOOS=linux
 ENV GOPROXY=off
 ENV GOTOOLCHAIN=local
 ENV GOFLAGS=-mod=vendor
 ENV GO11MODULE=on
-ENV CGO_ENABLED=0
 ENV GOROOT_BOOTSTRAP=/home/user/go-stage2
 ENV GOROOT_FINAL="/lib/go"
-ENV GOROOT=/home/user/go-stage2
 ENV GOBIN=${GOROOT_FINAL}/bin
-ENV DEST=/home/user/go-stage3
+ENV GOROOT=/home/user/go-stage2
+ENV DEST=/home/user/rootfs
 RUN wget ${GO_SITE}/go${GO_VERSION}.src.tar.gz
-RUN echo "${GO_HASH} go${GO_VERSION}.src.tar.gz" | sha256sum -c
+RUN echo "${GO_HASH}  go${GO_VERSION}.src.tar.gz" | sha256sum -c
 RUN tar -xvzf go${GO_VERSION}.src.tar.gz
 WORKDIR go
 RUN set -eux; \
@@ -85,8 +79,15 @@ RUN set -eux; \
     mkdir -p ${DEST}; \
     cp -R bin lib pkg src ${DEST}
 
+FROM base as test
+COPY --from=build /home/user/rootfs /
+ADD test.go .
+RUN set -eux; \
+    go build test.go; \
+    ./test | grep "Success"
+
 FROM scratch as package
-COPY --from=stage3 /home/user/go-stage3 /
+COPY --from=build /home/user/rootfs /
 USER 100:100
 ENTRYPOINT ["/bin/go"]
 CMD ["version"]
diff --git a/go/test.go b/go/test.go
new file mode 100644
index 0000000..5da4e06
--- /dev/null
+++ b/go/test.go
@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+    fmt.Println("Success")
+}