feat: Initial commit - Mexus App

Sistema de Gestión de Obras de Construcción completo con:
- Dashboard con KPIs y gráficos
- Módulo de obras con fases y tareas
- Control financiero (gastos, presupuestos)
- Gestión de recursos (personal, subcontratistas)
- Inventario de materiales con alertas de stock
- Reportes con exportación CSV
- Autenticación con roles (NextAuth.js v5)
- API REST completa
- Documentación de API y base de datos
- Configuración Docker para despliegue

Stack: Next.js 14+, TypeScript, Tailwind CSS, Prisma, PostgreSQL

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,58 @@
+# Build stage
+FROM node:20-alpine AS base
+
+# Install dependencies only when needed
+FROM base AS deps
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+# Install dependencies based on the preferred package manager
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Generate Prisma Client
+RUN npx prisma generate
+
+# Build the application
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npm run build
+
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
+
+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
+
+# Set the correct permission for prerender cache
+RUN mkdir .next
+RUN chown nextjs:nodejs .next
+
+# Automatically leverage output traces to reduce image size
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+# Copy Prisma files
+COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
+COPY --from=builder /app/prisma ./prisma
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "server.js"]