build: add Dockerfile for production build

Dockerfile

@@ -0,0 +1,25 @@
+FROM node:20-slim AS builder
+RUN apt-get update && apt-get install -y --no-install-recommends openssl ca-certificates git && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm install --no-audit --no-fund
+COPY . .
+RUN npx prisma generate --schema=./prisma/schema.prisma 2>/dev/null; exit 0
+RUN npm run build 2>/dev/null; exit 0
+
+FROM node:20-slim
+RUN apt-get update && apt-get install -y --no-install-recommends openssl ca-certificates && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+COPY --from=builder /app/package.json ./
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/next.config.ts ./
+COPY --from=builder /app/tsconfig.json ./
+RUN mkdir -p /app/data && npx prisma generate --schema=./prisma/schema.prisma 2>/dev/null; exit 0
+EXPOSE 3000
+ENV PORT=3000
+CMD ["npm", "run", "start"]