fix: update dockerfile;

Dockerfile

@@ -3,7 +3,7 @@ FROM node:20-alpine AS base
 FROM base AS deps
 WORKDIR /app
 COPY package.json ./
-RUN npm cache clean --force && npm install -g pnpm && pnpm i
+RUN npm cache clean --force && npm install
 
 FROM base AS builder
 WORKDIR /app
@@ -20,4 +20,4 @@ COPY --from=builder /app/.next/standalone ./
 COPY --from=builder /app/.next/static ./.next/static
 EXPOSE 3000
 ENV PORT 3000
-CMD ["node", "server.js"] 
+CMD ["node", "server.js"]