Add complete project files

Dockerfile

@@ -0,0 +1,40 @@
+# Multi-stage build for production
+FROM node:22-alpine AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --only=production
+
+FROM node:22-alpine AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+FROM node:22-alpine AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Create non-root user
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+# Copy built application
+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"
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:3000/api/health || exit 1
+
+CMD ["node", "server.js"]