ci(docker): 优化构建流程，使用官方Node二进制替代nvm安装

重构Docker工作流中的Node安装步骤，将nvm安装方式替换为直接下载官方二进制包。
新增通用包安装函数支持多种包管理器，并确保构建环境具备必要工具。

.gitea/workflows/docker.yml

@@ -40,32 +40,49 @@ jobs:
       - name: Build dist in Node container
         run: |
           set -e
-          # ensure curl available
-          if ! command -v curl >/dev/null 2>&1; then
+          # ensure tools
+          install_pkgs() {
+            PKGS="$*"
             if command -v apt-get >/dev/null 2>&1; then
               apt-get update -y
-              apt-get install -y curl ca-certificates
+              apt-get install -y $PKGS
             elif command -v yum >/dev/null 2>&1; then
-              yum install -y curl ca-certificates
+              yum install -y $PKGS
             elif command -v dnf >/dev/null 2>&1; then
-              dnf install -y curl ca-certificates
+              dnf install -y $PKGS
             elif command -v apk >/dev/null 2>&1; then
-              apk add --no-cache curl ca-certificates
+              apk add --no-cache $PKGS
             elif command -v zypper >/dev/null 2>&1; then
-              zypper install -y curl ca-certificates
+              zypper install -y $PKGS
             else
-              echo "No known package manager found to install curl"; exit 1
+              echo "No known package manager found to install: $PKGS"; exit 1
             fi
+          }
+          if ! command -v curl >/dev/null 2>&1; then install_pkgs curl ca-certificates; fi
+          if ! command -v tar >/dev/null 2>&1; then install_pkgs tar; fi
+          # xz is needed to extract Node tar.xz
+          if ! command -v xz >/dev/null 2>&1 && ! command -v unxz >/dev/null 2>&1; then install_pkgs xz-utils || install_pkgs xz; fi
+          
+          # install Node by downloading official binary (avoid building from source)
+          if ! command -v node >/dev/null 2>&1; then
+            NODE_VER="v20.19.6"
+            ARCH="$(uname -m)"
+            case "$ARCH" in
+              x86_64) NODE_ARCH="linux-x64" ;;
+              aarch64) NODE_ARCH="linux-arm64" ;;
+              arm64) NODE_ARCH="linux-arm64" ;;
+              *) echo "Unsupported arch: $ARCH"; exit 1 ;;
+            esac
+            NODE_TARBALL="node-${NODE_VER}-${NODE_ARCH}.tar.xz"
+            URL="https://nodejs.org/dist/${NODE_VER}/${NODE_TARBALL}"
+            echo "Downloading Node from $URL"
+            curl -fsSL "$URL" -o "/tmp/${NODE_TARBALL}"
+            mkdir -p "$HOME/node"
+            tar -xJf "/tmp/${NODE_TARBALL}" -C "$HOME/node"
+            NODE_DIR="$HOME/node/node-${NODE_VER}-${NODE_ARCH}"
+            export PATH="$NODE_DIR/bin:$PATH"
           fi
-          export NVM_DIR="$HOME/.nvm"
-          if [ ! -d "$NVM_DIR" ]; then
-            curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
-          fi
-          . "$NVM_DIR/nvm.sh"
-          nvm install 20
-          nvm use 20
-          node -v
-          npm -v
+          node -v && npm -v
           npm ci
           echo "VITE_APP_BASE_URL=${VITE_APP_BASE_URL}" > .env.pord
           npm run build:prod