feat: 完善后端脚手架基础能力

scripts/build.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+output_dir="$repo_root/dist"
+version="${VERSION:-dev}"
+
+mkdir -p "$output_dir"
+
+platforms=(
+  "linux amd64"
+  "darwin amd64"
+  "windows amd64"
+)
+
+for platform in "${platforms[@]}"; do
+  read -r target_os target_arch <<<"$platform"
+  extension=""
+  if [[ "$target_os" == "windows" ]]; then
+    extension=".exe"
+  fi
+  output="$output_dir/skeleton-${target_os}-${target_arch}${extension}"
+  echo "Building $output"
+  CGO_ENABLED=0 GOOS="$target_os" GOARCH="$target_arch" \
+    go build -trimpath -ldflags "-s -w -X main.buildVersion=$version" -o "$output" .
+done
+
+echo "Cross-platform amd64 binaries written to $output_dir"