code-server-golang: multi arch

Dockerfile

@@ -9,12 +9,16 @@ RUN \
  if [ -z ${GO_VERSION+x} ]; then \
     GO_VERSION=$(curl -sX GET https://golang.org/dl/ | grep -o '<span.*>.*linux-amd64.*</span>' | grep -oP '(?<=go).*(?=.linux)'); \
  fi && \
- mkdir -p /root-layer/usr/local && \
+ mkdir -p /root-layer/golang && \
  curl -o \
-    /tmp/golang.tar.gz -L \
+    /root-layer/golang/golang_x86_64.tar.gz -L \
     https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz && \
- tar xzf /tmp/golang.tar.gz -C \
+ curl -o \
-    /root-layer/usr/local
+    /root-layer/golang/golang_armv7l.tar.gz -L \
+    https://dl.google.com/go/go${GO_VERSION}.linux-armv6l.tar.gz && \
+ curl -o \
+    /root-layer/golang/golang_aarch64.tar.gz -L \
+    https://dl.google.com/go/go${GO_VERSION}.linux-arm64.tar.gz
 
 COPY root/ /root-layer/
 

root/etc/cont-init.d/98-golang

@@ -8,3 +8,12 @@ if grep -q '^PATH=' /etc/services.d/code-server/run; then
 else
   sed -i '/^#!\/usr\/bin/a \\n# Added by codeserver-golang\nexport PATH=$PATH:/usr/local/go/bin' /etc/services.d/code-server/run
 fi
+
+ARCH=$(uname -m)
+if [ -f "/golang/golang_${ARCH}.tar.gz" ]; then
+  echo "Installing golang"
+  tar xzf "/golang/golang_${ARCH}.tar.gz" -C /usr/local
+  rm -rf /golang
+else
+  echo "Golang already installed, skipping"
+fi