Cross compile it up.

.gitignore

@@ -22,3 +22,4 @@ _testmain.go
 *.exe
 
 out/
+release/

bin/build-all

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -e
+
+echo "Creating release dir..."
+mkdir -p release
+
+EXECUTABLE_NAME="exercism"
+
+PLATFORMS="darwin/386 darwin/amd64 linux/386 linux/amd64 windows/386 windows/amd64"
+
+function build-architecture {
+  GOOS=${1%/*}
+  GOARCH=${1#*/}
+  echo "Creating $GOOS $GOARCH binary..."
+
+  GOOS=$GOOS GOARCH=$GOARCH "$(dirname $0)/build"
+  cd out
+
+  if [ $GOOS == windows ]; then
+    mv $EXECUTABLE_NAME $EXECUTABLE_NAME.exe
+    tar cvzf ../release/$EXECUTABLE_NAME-$GOOS-$GOARCH.tgz $EXECUTABLE_NAME.exe
+  else
+    tar cvzf ../release/$EXECUTABLE_NAME-$GOOS-$GOARCH.tgz $EXECUTABLE_NAME
+  fi
+
+  cd ..
+}
+
+for PLATFORM in $PLATFORMS; do
+  build-architecture $PLATFORM
+done