하이브리드 아키텍처: Supabase와 Spring Boot을 사용한 두 세계의 최고

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "전통 건축" {
  actor Utilisateur as user
  component "프론트엔드" as frontend #LightBlue
  component "단일 백엔드" as backend #LightCoral {
    [Authentification]
    [CRUD]
    [Logique Métier]
    [Jobs]
    [APIs Tierces]
  }
  database "데이터베이스" as db #LightGray

  user --> frontend
  frontend --> backend : Toutes les requêtes
  backend --> db
}

note right of backend
  Tout passe par le backend
  même les opérations simples

  ⚠️ Point de congestion unique
  ⚠️ Complexité dès le départ
  ⚠️ Couplage fort
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "순수 BaaS 아키텍처" {
  actor Utilisateur as user
  component "프론트엔드" as frontend #LightBlue
  cloud "Supabase / Firebase" as baas #LightGreen {
    [Auth]
    [Database]
    [Storage]
    [Edge Functions]
  }

  user --> frontend
  frontend --> baas : Toutes les opérations
}

note right of baas
  Développement rapide
  Pas de serveur à gérer

  ⚠️ Limité pour logique complexe
  ⚠️ Vendor lock-in
  ⚠️ Edge Functions contraintes
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

actor Utilisateur as user #LightBlue

package "프론트엔드 레이어" {
  component "정적 사이트 JBake" as frontend #SkyBlue
}

package "단순한 레이어 (Supabase)" #LightGreen {
  component "인증" as auth
  component "기본 CRUD" as crud
  component "파일 저장" as storage
  component "실시간" as realtime
}

package "비즈니스 레이어(Spring Boot)" #Coral {
  component "복잡한 논리" as logic
  component "오케스트레이션" as orchestration
  component "예정된 작업" as jobs
  component "통합" as integrations
}

database "공유 PostgreSQL" as db #LightGray

user --> frontend

frontend --> auth : OAuth2, JWT
frontend --> crud : Articles, Profils
frontend --> storage : Images, Fichiers
frontend --> realtime : Notifications

frontend --> logic : Calculs, Rapports
frontend --> orchestration : Workflows
logic --> integrations : Stripe, APIs
orchestration --> db
jobs --> db

crud --> db
auth --> db

note bottom of db
  **Une seule source de vérité**
  Partagée entre Supabase et Spring Boot
end note

note right of auth
  **Gratuit jusqu'à 50k users**
  Configuration en quelques clics
  OAuth2 multi-providers
end note

note right of logic
  **Activé seulement si nécessaire**
  Kotlin + Coroutines
  Transactions complexes
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE

rectangle "1단계: MVP" #LightGreen {
  component "JBake + Supabase" as mvp
  note right
    ✓ Développement en jours
    ✓ Coût : 0€
    ✓ Validation concept
  end note
}

rectangle "**단계 2 : 성장**" #LightYellow {
  component "JBake + Supabase
+ Spring Boot (선택 사항)" as growth
  note right
    ✓ Logique métier émerge
    ✓ Premiers jobs planifiés
    ✓ Intégrations tierces
  end note
}

rectangle "**단계 3 : 확장**" #LightCoral {
  component "완전한 아키텍처" as scale
  note right
    ✓ Orchestration complexe
    ✓ Performances optimisées
    ✓ Cache distribué
  end note
}

mvp -down-> growth : Quand la complexité\nle justifie
growth -down-> scale : Optimisation\ncontinue
@enduml

@startmindmap
skinparam backgroundColor #FEFEFE
* Opérations\nApplicatives

left side

** Opérations Simples\n(Supabase)
***_ CRUD Standard
****_ Lecture
****_ Création
****_ Mise à jour
****_ Suppression
***_ Authentification
****_ Login/Logout
****_ OAuth2
****_ Gestion session
***_ Stockage
****_ Upload fichiers
****_ CDN automatique
***_ Temps Réel
****_ WebSocket
****_ Notifications

right side

** Opérations Complexes\n(Spring Boot)
***_ Logique Métier
****_ Calculs complexes
****_ Règles métier
****_ Validations avancées
***_ Orchestration
****_ Multi-services
****_ Transactions distribuées
****_ Saga patterns
***_ Tâches Planifiées
****_ Rapports périodiques
****_ Synchronisations
****_ Nettoyages
***_ Intégrations
****_ Paiements (Stripe)
****_ APIs tierces
****_ Services ML/AI

@endmindmap

@startuml
skinparam backgroundColor #FEFEFE

database "PostgreSQL" as db #LightGray {
  package "스키마: auth (Supabase)" #LightGreen {
    [users]
    [sessions]
    [identities]
  }

  package "스키마: 공개 (공유)" #SkyBlue {
    [articles]
    [comments]
    [profiles]
  }

  package "스키마: 비즈니스 (스프링 부트)" #Coral {
    [orders]
    [payments]
    [reports]
  }
}

component "수퍼베이스" as supabase #LightGreen
component "스프링 부트" as spring #Coral

supabase -down-> users : Gère
supabase -down-> sessions : Gère
supabase -down-> articles : Accède
supabase -down-> comments : Accède
supabase -down-> profiles : Accède

spring -down-> articles : Accède
spring -down-> profiles : Accède
spring -down-> orders : Gère
spring -down-> payments : Gère
spring -down-> reports : Gère

note right of db
  **Avantages :**
  • Pas de synchronisation complexe
  • JOINs possibles entre tables
  • Cohérence garantie
  • Migrations unifiées
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE
autonumber

actor "사용자" as user
participant "JBake" as jbake
participant "Supabase 인증" as auth
participant "스프링 부트" as spring
database "PostgreSQL" as db

== Authentification ==
user -> jbake : Clique "로그인"
jbake -> auth : Redirect OAuth2 (Google/GitHub)
auth -> user : Consent screen
user -> auth : Autorise
auth -> auth : Génère JWT
auth -> jbake : Retourne JWT + Refresh Token
jbake -> jbake : Stocke tokens (sessionStorage)

== Accès aux Ressources ==
group Opération Simple (CRUD)
  user -> jbake : Crée un article
  jbake -> db : POST avec JWT
  note right: Supabase Row Level Security\nvérifie le JWT automatiquement
  db -> jbake : Article créé
end

group Opération Complexe (Métier)
  user -> jbake : Génère un rapport
  jbake -> spring : POST /api/reports\navec JWT
  spring -> spring : Valide JWT Supabase
  spring -> spring : Extrait claims (user_id, roles)
  spring -> db : Requêtes complexes
  spring -> jbake : Rapport généré
end

note over auth, spring
  **Le JWT est universel**
  Valide par Supabase ET Spring Boot
  Pas de double authentification
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE
autonumber

actor "클라이언트" as user
participant "제이베이크" as jbake
participant "스프링 부트" as spring
participant "Supabase 데이터베이스" as supadb
participant "스트라이프 API" as stripe
participant "인벤토리 서비스" as inventory
participant "이메일 서비스" as email
database "포스트그레스큐엘" as db

user -> jbake : Passe commande
jbake -> spring : POST /api/orders/create

== Orchestration Spring Boot ==
spring -> db : BEGIN TRANSACTION

par Vérifications Parallèles
  spring -> inventory : Vérifier stock
  inventory -> spring : Stock OK
else
  spring -> db : Vérifier profil client
  db -> spring : Client vérifié
end

spring -> stripe : Créer Payment Intent
stripe -> spring : Intent créé (ID: pi_xxx)

spring -> db : Créer Order (status: PENDING)
db -> spring : Order créé

spring -> stripe : Confirmer paiement
stripe -> spring : Paiement confirmé

spring -> db : Update Order (status: PAID)
spring -> inventory : Décrémenter stock
spring -> db : COMMIT TRANSACTION

par Notifications Asynchrones
  spring -> email : Email confirmation
else
  spring -> supadb : Insert notification
  note right: Notification temps réel\nvia Supabase Realtime
end

spring -> jbake : Order confirmé
jbake -> user : Affiche confirmation

note over spring
  **Responsabilités Spring Boot :**
  • Transaction ACID
  • Orchestration multi-services
  • Rollback automatique si erreur
  • Gestion des cas limites
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE

participant "스케줄러
(스프링 부트)" as scheduler
participant "리포트 서비스" as report
participant "포스트그레스큐엘" as db
participant "외부 API" as api
participant "이메일 서비스" as email
participant "Supabase 저장소" as storage

== Job Quotidien : 2h00 ==
activate scheduler
scheduler -> report : Déclenche génération rapport

activate report
report -> db : Récupère données\ndes dernières 24h
db -> report : Dataset

report -> report : Calculs & Agrégations
report -> report : Génération PDF

report -> storage : Upload PDF
storage -> report : URL publique

report -> email : Envoie aux admins\navec lien PDF
deactivate report

== Job Hebdomadaire : Dimanche 3h00 ==
scheduler -> report : Synchronisation externe

activate report
report -> api : Fetch données externes
api -> report : Nouvelles données

report -> db : Mise à jour tables
report -> db : Nettoyage données obsolètes
deactivate report

== Job Mensuel : 1er du mois ==
scheduler -> report : Facturation

activate report
report -> db : Liste clients actifs
report -> report : Calcul montants
report -> api : Génération factures (Stripe)
report -> email : Envoi factures
deactivate report

deactivate scheduler

note right of scheduler
  **Impossible avec Supabase seul**
  Edge Functions non adaptées
  pour jobs longs et récurrents
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE

start

:Nouvelle fonctionnalité à implémenter;

if (CRUD simple ?) then (oui)
  :✅ **Supabase**;
  stop
else (non)
  if (Authentification ?) then (oui)
    :✅ **Supabase Auth**;
    stop
  else (non)
    if (Upload fichiers ?) then (oui)
      :✅ **Supabase Storage**;
      stop
    else (non)
      if (Temps réel ?) then (oui)
        :✅ **Supabase Realtime**;
        stop
      else (non)
        if (Row Level Security\nsuffisante ?) then (oui)
          :✅ **Supabase + Policies**;
          stop
        else (non)
          :⚠️ **Considérer Spring Boot**;
          #Coral:Passer à l'arbre\nde décision Spring Boot;
          stop
        endif
      endif
    endif
  endif
endif

@enduml

@startuml
skinparam backgroundColor #FEFEFE

start

:Nouvelle fonctionnalité complexe;

if (Orchestration\nmulti-services ?) then (oui)
  :✅ **Spring Boot**;
  stop
else (non)
  if (Transaction ACID\ncritique ?) then (oui)
    :✅ **Spring Boot**;
    stop
  else (non)
    if (Job planifié ?) then (oui)
      :✅ **Spring Boot Scheduler**;
      stop
    else (non)
      if (Intégration API\ntierce complexe ?) then (oui)
        :✅ **Spring Boot**;
        stop
      else (non)
        if (Calculs lourds\n> 10 secondes ?) then (oui)
          :✅ **Spring Boot**;
          stop
        else (non)
          if (Cache distribué\nnécessaire ?) then (oui)
            :✅ **Spring Boot + Redis**;
            stop
          else (non)
            :⚠️ **Probablement Supabase**;
            #LightGreen:Revenir à l'arbre\nde décision Supabase;
            stop
          endif
        endif
      endif
    endif
  endif
endif

@enduml

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "개인 블로그 - 95% Supabase" {
  component "JBake" as jbake #SkyBlue

  package "Supabase (무료)" #LightGreen {
    [Auth: OAuth2 Google]
    [Articles (CRUD)]
    [Commentaires]
    [Images (Storage)]
    [Notifications Realtime]
  }

  package "Spring Boot (선택적)" #LightCoral {
    [Newsletter Mensuelle]
    note bottom: Job planifié uniquement
  }

  database "PostgreSQL" as db

  jbake --> [Auth: OAuth2 Google]
  jbake --> [Articles (CRUD)]
  jbake --> [Commentaires]
  jbake --> [Images (Storage)]
  jbake --> [Notifications Realtime]

  [Articles (CRUD)] --> db
  [Commentaires] --> db
  [Newsletter Mensuelle] --> db
}

note bottom of "Spring Boot (선택적)"
  **Spring Boot pas obligatoire**
  Newsletter peut être gérée
  par un service tiers (Mailchimp)
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "SaaS 애플리케이션 - 하이브리드 아키텍처" {
  component "JBake / React" as frontend #SkyBlue

  package "Supabase" #LightGreen {
    [Auth Multi-tenant]
    [Profils Utilisateurs]
    [Données Simples]
    [Storage Documents]
  }

  package "스프링 부트" #Coral {
    [Facturation (Stripe)]
    [Analytics Avancées]
    [Rapports Mensuels]
    [Quotas & Limites]
    [Webhooks Stripe]
  }

  cloud "외부 서비스" {
    [Stripe API]
    [SendGrid Email]
  }

  database "공유된 PostgreSQL" as db

  frontend --> [Auth Multi-tenant]
  frontend --> [Profils Utilisateurs]
  frontend --> [Données Simples]
  frontend --> [Facturation (Stripe)]
  frontend --> [Analytics Avancées]

  [Auth Multi-tenant] --> db
  [Profils Utilisateurs] --> db
  [Données Simples] --> db

  [Facturation (Stripe)] --> db
  [Facturation (Stripe)] --> [Stripe API]
  [Analytics Avancées] --> db
  [Rapports Mensuels] --> db
  [Rapports Mensuels] --> [SendGrid Email]
  [Webhooks Stripe] ..> [Stripe API] : Écoute
}

note right of "스프링 부트"
  **Nécessaire pour :**
  • Gestion abonnements
  • Facturation récurrente
  • Quotas dynamiques
  • Analytics complexes
  • Webhooks fiables
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "E-커머스 - 70% Spring Boot" {
  component "매장 (JBake/React)" as frontend #SkyBlue

  package "Supabase" #LightGreen {
    [Auth Clients]
    [Catalogue Produits\n(lecture seule)]
    [Images Produits]
  }

  package "Spring Boot (핵심 비즈니스)" #Coral {
    [Gestion Commandes]
    [Paiements Stripe]
    [Gestion Stock]
    [Calcul Frais Port]
    [Génération Factures]
    [Synchronisation ERP]
    [Emails Transactionnels]
  }

  cloud "통합" {
    [Stripe]
    [Transporteur API]
    [ERP Externe]
  }

  database "PostgreSQL" as db

  frontend --> [Auth Clients]
  frontend --> [Catalogue Produits\n(lecture seule)]
  frontend --> [Gestion Commandes]

  [Auth Clients] --> db
  [Catalogue Produits\n(lecture seule)] --> db

  [Gestion Commandes] --> db
  [Paiements Stripe] --> [Stripe]
  [Gestion Stock] --> db
  [Calcul Frais Port] --> [Transporteur API]
  [Génération Factures] --> db
  [Synchronisation ERP] --> [ERP Externe]
  [Synchronisation ERP] --> db
}

note right of "Spring Boot (핵심 비즈니스)"
  **Spring Boot indispensable :**
  • Transactions critiques
  • Orchestration complexe
  • Intégrations multiples
  • Conformité légale
  • Jobs de synchronisation
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE

package "예상 월간 비용" {

  rectangle "MVP 단계
(0-1000 사용자)" #LightGreen {
    [JBake (GitHub Pages): 0€]
    [Supabase: 0€]
    [Spring Boot: N/A]
    note bottom: **Total: 0€/mois**
  }

  rectangle "성장 단계
(1k-10k 사용자)" #LightYellow {
    [JBake (GitHub Pages): 0€]
    [Supabase: 0€]
    [Spring Boot (Cloud Run): 20-50€]
    [PostgreSQL (si séparé): 0-30€]
    note bottom: **Total: 20-80€/mois**
  }

  rectangle "단계 규모\n(10k-100k 사용자)" #LightCoral {
    [JBake (Netlify Pro): 19€]
    [Supabase Pro: 25€]
    [Spring Boot (instances multiples): 100-300€]
    [Redis Cache: 20-50€]
    [Monitoring: 20€]
    note bottom: **Total: 184-414€/mois**
  }
}

note right of "단계 규모\n(10k-100k 사용자)"
  À ce stade, les revenus
  justifient largement les coûts
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE

package "누가 무엇을 관리하나요?" {

  rectangle "Supabase에서 관리 (0 노력)" #LightGreen {
    [Authentification]
    [Base de données]
    [Backups automatiques]
    [Scaling automatique]
    [Monitoring DB]
    [Sécurité DB]
  }

  rectangle "GitHub에 의해 관리됨 (노력 0)" #SkyBlue {
    [Hébergement site statique]
    [HTTPS/SSL]
    [CDN global]
    [Déploiement automatique]
  }

  rectangle "관리해야 할 (Spring Boot)" #LightCoral {
    [Déploiement application]
    [Monitoring APM]
    [Logs centralisés]
    [Scaling horizontal]
    [Mises à jour sécurité]
  }
}

note bottom of "관리해야 할 (Spring Boot)"
  **Minimisable avec :**
  • Cloud Run (serverless)
  • Kubernetes (si nécessaire)
  • Services managés (RDS, etc.)
end note
@enduml

@startmindmap
skinparam backgroundColor #FEFEFE
* Architecture\nHybride

** Commencer Simple
***_ MVP avec Supabase
***_ 0€ de coût initial
***_ Validation rapide

** Évoluer Intelligemment
***_ Ajouter Spring Boot\nsi nécessaire
***_ Migration progressive
***_ Pas de refonte totale

** Exploiter les Forces
***_ Supabase: Simplicité
***_ Spring Boot: Puissance
***_ PostgreSQL: Source unique

** Minimiser la Complexité
***_ Pas de synchronisation
***_ Pas de duplication
***_ Architecture claire

** Optimiser les Coûts
***_ Gratuit au départ
***_ Scaling progressif
***_ ROI évident

@endmindmap

@startuml
skinparam backgroundColor #FEFEFE

package "완전한 하이브리드 아키텍처" {

  actor "사용자" as users

  rectangle "프론트엔드 (정적)" #SkyBlue {
    [JBake / GitHub Pages]
    note right: Gratuit, CDN global
  }

  rectangle "간단한 백엔드 (Supabase)" #LightGreen {
    [Auth OAuth2]
    [CRUD APIs]
    [Storage]
    [Realtime]
    note right
      Gratuit jusqu'à 50k users
      Zéro configuration serveur
    end note
  }

  rectangle "비즈니스 백엔드 (Spring Boot)" #Coral {
    [Orchestration]
    [Jobs Planifiés]
    [Intégrations]
    [Transactions]
    note right
      Activé uniquement
      si nécessaire
    end note
  }

  database "PostgreSQL
단일 진실의 원천" as db #LightGray

  users --> [JBake / GitHub Pages]

  [JBake / GitHub Pages] --> [Auth OAuth2]
  [JBake / GitHub Pages] --> [CRUD APIs]
  [JBake / GitHub Pages] --> [Storage]
  [JBake / GitHub Pages] --> [Realtime]
  [JBake / GitHub Pages] --> [Orchestration]

  [Auth OAuth2] --> db
  [CRUD APIs] --> db
  [Orchestration] --> db
  [Jobs Planifiés] --> db
  [Intégrations] --> db
}

note bottom of db
  **Une seule base, deux consommateurs**
  • Supabase pour le simple
  • Spring Boot pour le complexe
  • Aucune synchronisation requise
end note

@enduml

@startuml
skinparam backgroundColor #FEFEFE

rectangle "현재 아키텍처" #SkyBlue {
  [JBake]
  [Supabase]
  [Spring Boot]
}

rectangle "가능한 발전" #LightYellow {

  package "성능" {
    [Redis Cache]
    [CDN pour Assets]
    [PostgreSQL Replicas]
  }

  package "모니터링" {
    [Grafana]
    [Prometheus]
    [Sentry]
  }

  package "지속적 통합/지속적 배포" {
    [GitHub Actions]
    [Tests Automatisés]
    [Déploiement Continu]
  }

  package "기능" {
    [Search (ElasticSearch)]
    [Queue (RabbitMQ)]
    [Event Sourcing]
  }
}

[Spring Boot] .down.> [Redis Cache] : Peut ajouter
[Spring Boot] .down.> [Queue (RabbitMQ)] : Peut ajouter
[Spring Boot] .down.> [Search (ElasticSearch)] : Peut ajouter

[Supabase] .down.> [PostgreSQL Replicas] : Peut ajouter

note bottom
  **Architecture extensible**
  Chaque ajout est indépendant
  Pas de refonte globale nécessaire
end note
@enduml

@startuml
skinparam backgroundColor #FEFEFE

package "작업 분배" {

  rectangle "80% - 표준 운영" #LightGreen {
    [Lecture de données]
    [Création d'entités]
    [Mise à jour simple]
    [Suppression]
    [Upload fichiers]
    [Authentification]

    note bottom: **Géré par Supabase**
  }

  rectangle "20% - 비즈니스 로직" #Coral {
    [Calculs complexes]
    [Workflows multi-étapes]
    [Transactions critiques]
    [Intégrations tierces]
    [Jobs planifiés]

    note bottom: **Géré par Spring Boot**
  }
}

note right
  **Focus optimal :**
  Votre temps de développement
  concentré sur les 20% qui
  différencient votre produit
end note
@enduml