fix: Update root Dockerfile for Railway with proper multi-stage build

Author: silversurfer562

Dockerfile

@@ -1,25 +1,42 @@
-# Use Node.js 20 as base image
-FROM node:20-slim
+# Next.js Production Dockerfile for Railway
+# Build context is repository root, website is subdirectory
+FROM node:20-alpine AS base
 
+# Dependencies stage
+FROM base AS deps
+RUN apk add --no-cache libc6-compat
 WORKDIR /app
 
-# Copy package files from website directory
 COPY website/package.json website/package-lock.json* ./
+RUN npm ci
 
-# Install dependencies
-RUN npm ci --legacy-peer-deps
-
-# Copy website files
+# Builder stage
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
 COPY website/ ./
 
-# Build the Next.js application (using Railway-specific build)
+ENV NEXT_TELEMETRY_DISABLED=1
 RUN npm run build:railway
 
-# Expose port
-EXPOSE 8080
+# Runner stage
+FROM base AS runner
+WORKDIR /app
 
-ENV PORT=8080
 ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
 
-# Start the application
-CMD ["npm", "run", "start"]
+CMD ["node", "server.js"]