fix: set NODE_ENV=development during build to include devDependencies

Dockerfile

@@ -1,12 +1,13 @@
 FROM node:20-alpine AS builder
 ARG CACHE_BUST=1
+ENV NODE_ENV=development
 WORKDIR /app
 COPY package.json package-lock.json* ./
 COPY packages/shared/package.json ./packages/shared/
 RUN npm install
 COPY packages/shared/ ./packages/shared/
 COPY . .
-RUN npm install --save-dev typescript && npx next build
+RUN npx next build
 
 FROM node:20-alpine AS runner
 WORKDIR /app