Práctico

Inicio rápido

Ejecuta la plantilla Sushi SaaS en local con pnpm, recorre rutas i18n, health checks y blogs MDX, y aprende dónde configurar autenticación, pagos y documentación.

Antes de empezar

Este inicio rápido asume conocimientos básicos para avanzar rápido:

  • Conoces JavaScript (puedes leer/escribir JS moderno).
  • Estás familiarizado con los elementos marcados como requisitos en esta guía (o al menos tienes una idea general de qué son).

Desarrollo local

Requisitos: Node 20+ y pnpm 9+.

git clone https://github.com/PansaLegrand/saas-sushi-template.git saas-sushi-template
cd saas-sushi-template
pnpm install
pnpm dev

Rutas útiles:

  • Landing: /en, /zh, /es, /fr, /ja
  • Salud: /api/health (responde { status: "ok" })
  • Docs (MDX): /:locale/blogs/quick-start

Internacionalización (next-intl)

  • Textos en messages/*.json
  • Locales en src/i18n/locale.ts (configurar locales, defaultLocale, localePrefix)
  • Middleware en src/middleware.ts (prefijo /:locale/...)
  • Carga de mensajes en src/i18n/request.ts

Añadir un idioma:

  1. Crear messages/<locale>.json
  2. Añadir el código a locales en src/i18n/locale.ts
  3. Reiniciar el servidor

Docs con MDX (Fumadocs)

Los archivos viven en content/docs/<locale>/... y se sirven en /:locale/blogs/<slugs>.

  • El script de desarrollo genera .source/index.ts automáticamente
  • El plugin de Fumadocs en next.config.ts analiza MDX y frontmatter

Crear una página:

mkdir -p content/docs/es
echo "---\ntitle: Mi página\n---\n\n# Hola" > content/docs/es/my-page.mdx

Visita /es/blogs/my-page.


Variables de entorno

Antes de seguir con la configuración, crea un archivo .env y copia la plantilla. Así centralizas secretos y URLs y la app puede configurar autenticación, almacenamiento y pagos.

  1. Crea .env en la raíz del proyecto (copiando desde la plantilla):
cp .env.example .env
# o abre .env y pega la plantilla de abajo
  1. Completa los valores necesarios (consulta las notas a continuación). Puedes dejar vacíos los bloques opcionales y volver más tarde.

  2. Reinicia el servidor de desarrollo tras los cambios para que Next.js y las herramientas carguen las variables.

pnpm dev

Plantilla completa (.env.example)

.env.example
# =============================================================================
# App Basics & URLs
# =============================================================================
# Public site base URL (used for canonical links, share URLs, Stripe redirects)
NEXT_PUBLIC_WEB_URL=http://localhost:3000
# Better Auth server base URL (usually same as site URL)
BETTER_AUTH_URL=http://localhost:3000
# Client-side Better Auth base (edge cases only; safe to leave as site URL)
NEXT_PUBLIC_AUTH_BASE_URL=http://localhost:3000

# App naming and UI defaults
NEXT_PUBLIC_APP_NAME=Sushi SaaS
NEXT_PUBLIC_PROJECT_NAME=sushi-saas-template
NEXT_PUBLIC_DEFAULT_THEME=system           # system | light | dark
NEXT_PUBLIC_LOCALE_DETECTION=false         # "true" to auto-detect browser locale
# Toggle auth entirely (default enabled unless set to "false")
NEXT_PUBLIC_AUTH_ENABLED=true

# Unique ID generator worker (Snowflake). Keep as 1 in single-instance dev.
SNOWFLAKE_WORKER_ID=1

# =============================================================================
# Database (PostgreSQL)
# =============================================================================
# Example: postgresql://user:password@localhost:5432/mydb
DATABASE_URL=

# =============================================================================
# Authentication (Better Auth) & Social Providers
# =============================================================================
# Generate with: openssl rand -base64 32
BETTER_AUTH_SECRET=

# Google OAuth (optional). Create credentials at
# https://console.cloud.google.com/apis/credentials
# Redirect URI (dev): http://localhost:3000/api/auth/callback/google
GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=

# =============================================================================
# Email (Resend)
# =============================================================================
# https://resend.com — required for password reset and onboarding emails
RESEND_API_KEY=
EMAIL_FROM="Your Name <founder@your-domain.com>" # Use a verified domain

# =============================================================================
# Payments (Stripe)
# =============================================================================
# Server secret key and webhook secret
STRIPE_PRIVATE_KEY=
STRIPE_WEBHOOK_SECRET=

# Public payment routes (can be relative or absolute)
NEXT_PUBLIC_PAY_SUCCESS_URL=/pricing
NEXT_PUBLIC_PAY_FAIL_URL=/pricing
NEXT_PUBLIC_PAY_CANCEL_URL=/pricing

# Optional: Stripe Price IDs (subscriptions)
# These are safe to expose; leave blank to fall back to inline price_data
NEXT_PUBLIC_STRIPE_PRICE_LAUNCH_MONTHLY=
NEXT_PUBLIC_STRIPE_PRICE_SCALE_MONTHLY=
NEXT_PUBLIC_STRIPE_PRICE_LAUNCH_YEARLY=
NEXT_PUBLIC_STRIPE_PRICE_SCALE_YEARLY=
# If using CNY prices, set the variants below
NEXT_PUBLIC_STRIPE_PRICE_LAUNCH_MONTHLY_CNY=
NEXT_PUBLIC_STRIPE_PRICE_SCALE_MONTHLY_CNY=
NEXT_PUBLIC_STRIPE_PRICE_LAUNCH_YEARLY_CNY=
NEXT_PUBLIC_STRIPE_PRICE_SCALE_YEARLY_CNY=

# =============================================================================
# Storage (S3-compatible: AWS S3, Cloudflare R2, MinIO)
# =============================================================================
# Provider selector: s3 | r2 | minio
STORAGE_PROVIDER=s3
# Leave endpoint empty for AWS S3; for R2 use https://<accountid>.r2.cloudflarestorage.com
STORAGE_ENDPOINT=
STORAGE_REGION=auto
STORAGE_ACCESS_KEY=
STORAGE_SECRET_KEY=
STORAGE_BUCKET=
# Path-style addressing (recommended true for R2/MinIO). Auto-enabled when endpoint is set.
S3_FORCE_PATH_STYLE=true
# Include ACL only if your bucket requires it (most R2/MinIO do not)
S3_USE_ACL=false
# Max single-file upload size (MB)
STORAGE_MAX_UPLOAD_MB=25
# Client-only hint to display max size in the uploader
NEXT_PUBLIC_UPLOAD_MAX_MB=25
# Alternative AWS-style names (optional synonyms). Prefer STORAGE_* above.
S3_ENDPOINT=
S3_REGION=
S3_ACCESS_KEY_ID=
S3_SECRET_ACCESS_KEY=
S3_BUCKET=

# =============================================================================
# Analytics & Ads (optional)
# =============================================================================
# Google Analytics (G-XXXXXXX) — renders only in production
NEXT_PUBLIC_GOOGLE_ANALYTICS_ID=
# Google AdSense account code (e.g., ca-pub-XXXXXXXXXXXXXXXX)
NEXT_PUBLIC_GOOGLE_ADCODE=

# =============================================================================
# Demo Feature Flags
# =============================================================================
# Reservations demo (enabled by default)
NEXT_PUBLIC_FEATURE_RESERVATIONS_ENABLED=true
NEXT_PUBLIC_RESERVATIONS_AUTO_SEED_DEMO=true

# =============================================================================
# Logging
# =============================================================================
# Log level for server and edge logs: debug | info | warn | error
LOG_LEVEL=info

# =============================================================================
# Notifications (optional)
# =============================================================================
# Slack Incoming Webhook URL for ops alerts/notifications
SLACK_WEBHOOK_URL=

Para qué sirve cada sección (y cuándo completarla)

  • App y URLs: define primero las URLs base para que funcionen enlaces y redirecciones. Los valores de UI son opcionales; NEXT_PUBLIC_AUTH_ENABLED=false desactiva la UI de auth. Mantén SNOWFLAKE_WORKER_ID=1 en local.
  • Base de datos: DATABASE_URL es obligatorio para migraciones de Drizzle y las tablas de Better Auth.
  • Autenticación y social: BETTER_AUTH_SECRET (généralo con openssl rand -base64 32); Google OAuth es opcional.
  • Email (Resend): RESEND_API_KEY y EMAIL_FROM para restablecer contraseñas y correos de bienvenida (usa un dominio verificado).
  • Pagos (Stripe): STRIPE_PRIVATE_KEY y STRIPE_WEBHOOK_SECRET para checkout + webhooks; NEXT_PUBLIC_PAY_* para redirecciones; los IDs de precio son opcionales.
  • Almacenamiento (S3/R2/MinIO): configura STORAGE_* (o sinónimos S3_*); los flags de path‑style/ACL ajustan el comportamiento por proveedor; NEXT_PUBLIC_UPLOAD_MAX_MB solo afecta a la UI.
  • Analytics y Ads: GA y AdSense (solo en producción).
  • Flags de demo: alterna la demo de reservas.

Autenticación (Better Auth)

  • Configuración del servidor en src/lib/auth.ts con el handler /api/auth/[...all]/route.ts
  • Cliente y hooks en src/lib/auth-client.ts (/[locale]/login, signup, me)
  • Define BETTER_AUTH_SECRET, BETTER_AUTH_URL y NEXT_PUBLIC_AUTH_BASE_URL

Ejemplo .env:

BETTER_AUTH_SECRET=$(openssl rand -base64 32)
BETTER_AUTH_URL=http://localhost:3000
NEXT_PUBLIC_AUTH_BASE_URL=http://localhost:3000

Problemas comunes

  • /zh aparece en inglés: asegúrate de localePrefix = "always" y reinicia
  • “Unknown module type” para MDX: verifica el plugin de Fumadocs y reinicia (log [MDX] types generated)
  • 404 en docs: coloca el archivo en content/docs/<locale>/... y usa el slug correcto