Update Dockerfile

Dockerfile

@@ -4,6 +4,8 @@ FROM node:18-alpine AS builder
 RUN apk add --no-cache git python3 make g++ bash findutils
 WORKDIR /app
 COPY . .
+RUN npm install @babel/runtime --save
+
 RUN npm ci --no-audit --no-fund || npm install --no-audit --no-fund
 RUN npm run build
 
@@ -12,8 +14,6 @@ RUN mkdir -p /build_output \
  && if [ -z "$FILE" ]; then echo "ビルド成果物が見つかりません"; exit 1; fi \
  && cp "$FILE" /build_output/eruda-features.js
 
-RUN npm install @babel/runtime --save
-
 # 2. Python + Flask のランタイム
 FROM python:3.11-slim
 RUN pip install --no-cache-dir flask