Add infrastructure diagram to README.md to illustrate cluster components, dependencies, and service interactions
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README.md
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README.md
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Репозиторий Infrastructure as Code, управляемый [FluxCD v2](https://fluxcd.io/) с использованием Kustomize-оверлеев и Helm-релизов.
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## Карта инфраструктуры и межсервисных маршрутов
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Диаграмма ниже показывает инфраструктурные компоненты кластера, их зависимости и типовые маршруты вызовов между бизнес-сервисами.
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```mermaid
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flowchart LR
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%% ===== Внешний контур =====
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User([👤 Пользователь<br/>Web / Mobile]):::ext
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Admin([🛡 Администратор<br/>kubectl / flux]):::ext
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LE([🔐 Let's Encrypt<br/>ACME v2]):::ext
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GitRepo([📦 Git Repository<br/>FluxCD source]):::ext
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OCI([🐳 OCI Registry<br/>cr.yandex]):::ext
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%% ===== GitOps =====
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subgraph GITOPS["⚙️ GitOps Control Plane"]
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direction TB
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FluxSource[source-controller]:::flux
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FluxKust[kustomize-controller]:::flux
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FluxHelm[helm-controller]:::flux
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FluxNotif[notification-controller]:::flux
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FluxSource --> FluxKust
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FluxSource --> FluxHelm
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FluxKust --> FluxNotif
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FluxHelm --> FluxNotif
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end
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%% ===== Edge / Service Mesh =====
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subgraph EDGE["🌐 Edge & Service Mesh — istio-system"]
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direction TB
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Gateway["Istio Gateway<br/>:443 / :80<br/>LoadBalancer"]:::mesh
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Pilot["istiod / Pilot<br/>xDS :15010/:15012"]:::mesh
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Base[Istio Base<br/>CRDs + RBAC]:::mesh
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Cert["cert-manager<br/>v1.x"]:::mesh
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IssuerProd[ClusterIssuer<br/>letsencrypt-prod]:::mesh
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IssuerIstio[ClusterIssuer<br/>letsencrypt-istio]:::mesh
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Pilot -->|sidecar inject| Gateway
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Base --> Pilot
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Cert --> IssuerProd
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Cert --> IssuerIstio
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IssuerIstio -. TLS cert .-> Gateway
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end
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%% ===== Платформа =====
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subgraph PLATFORM["🛠 Платформа"]
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direction TB
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Dashboard["K8s Dashboard<br/>UI :8443"]:::platform
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LPP["local-path-provisioner<br/>StorageClass: local-path"]:::platform
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Vault["HashiCorp Vault<br/>:8200 KV/Transit"]:::platform
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S3Proxy["S3 Proxy<br/>S3 API gateway"]:::platform
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end
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%% ===== Identity =====
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subgraph IDENTITY["🪪 Identity & SSO"]
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direction TB
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Zitadel["Zitadel<br/>OIDC :8080"]:::identity
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Keycloak["Keycloak<br/>OIDC/SAML :8080"]:::identity
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OpenLDAP["OpenLDAP<br/>:389 / :636"]:::identity
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Keycloak -- "LDAP federation" --> OpenLDAP
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end
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%% ===== Данные =====
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subgraph DATA["🗄 Хранилища данных"]
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direction TB
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PG[("PostgreSQL<br/>:5432<br/>HA primary/replica")]:::data
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Redis[("Redis<br/>:6379<br/>cache + pub/sub")]:::data
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MinIO[("MinIO<br/>S3 :9000<br/>console :9001")]:::data
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end
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%% ===== Messaging =====
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subgraph MSG["📨 Messaging"]
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direction TB
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Kafka[["Kafka<br/>:9092 / :9093 SASL<br/>3 brokers"]]:::msg
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ZK[["ZooKeeper / KRaft<br/>:2181"]]:::msg
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RMQ[["RabbitMQ<br/>:5672 / mgmt :15672"]]:::msg
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Kafka --- ZK
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end
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%% ===== BPM =====
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subgraph BPM["🔧 BPM"]
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direction TB
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Camunda["Camunda Platform<br/>REST :8080 / Tasklist"]:::app
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Operate["Camunda Operate<br/>UI :8081"]:::app
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end
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%% ===== Бизнес-сервисы =====
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subgraph APPS["💼 Бизнес-сервисы"]
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direction TB
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ExampleApp["example-app<br/>HTTP :8080"]:::app
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end
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%% ===== GitOps потоки =====
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Admin ==>|git push| GitRepo
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GitRepo ==>|pull/poll| FluxSource
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OCI ==>|OCI charts| FluxSource
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FluxKust ==>|apply manifests| EDGE
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FluxKust ==>|apply manifests| PLATFORM
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FluxKust ==>|apply manifests| IDENTITY
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FluxHelm ==>|HelmRelease| DATA
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FluxHelm ==>|HelmRelease| MSG
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FluxHelm ==>|HelmRelease| BPM
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FluxHelm ==>|HelmRelease| APPS
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%% ===== Внешний трафик =====
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User ==>|HTTPS 443| Gateway
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LE -. ACME HTTP-01 .-> Cert
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Gateway ==>|VirtualService<br/>mTLS| ExampleApp
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Gateway ==>|VirtualService<br/>mTLS| Camunda
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Gateway ==>|VirtualService| Operate
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Gateway ==>|/auth| Keycloak
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Gateway ==>|/oauth| Zitadel
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Gateway ==>|/dashboard| Dashboard
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Gateway ==>|/minio| MinIO
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Admin -.->|kubectl| Dashboard
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%% ===== Подключения к данным =====
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Camunda -- "JDBC" --> PG
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Operate -- "JDBC" --> PG
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ExampleApp -- "JDBC" --> PG
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Zitadel -- "JDBC" --> PG
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Keycloak -- "JDBC" --> PG
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Camunda -- "cache TTL" --> Redis
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ExampleApp -- "cache + pub/sub" --> Redis
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Keycloak -- "session cache" --> Redis
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%% ===== S3 / объектное хранилище =====
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ExampleApp -- "PUT/GET" --> S3Proxy
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Camunda -- "attachments" --> S3Proxy
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S3Proxy -- "S3 API" --> MinIO
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%% ===== Секреты =====
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ExampleApp -. "approle" .-> Vault
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Camunda -. "approle" .-> Vault
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Keycloak -. "kv/secrets" .-> Vault
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Zitadel -. "kv/secrets" .-> Vault
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%% ===== Storage / PVC =====
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PG -.->|PVC| LPP
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Redis -.->|PVC| LPP
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Kafka -.->|PVC| LPP
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ZK -.->|PVC| LPP
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RMQ -.->|PVC| LPP
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MinIO -.->|PVC| LPP
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Vault -.->|PVC| LPP
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%% ===== Межсервисные маршруты =====
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ExampleApp -- "REST POST /process<br/>start workflow" --> Camunda
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Camunda -- "REST callback<br/>job worker" --> ExampleApp
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Camunda -- "produce<br/>topic: bpm.events" --> Kafka
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ExampleApp -- "consume<br/>topic: bpm.events" --> Kafka
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ExampleApp -- "produce<br/>topic: app.audit" --> Kafka
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Operate -- "consume<br/>zeebe-records" --> Kafka
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ExampleApp -- "publish<br/>queue: tasks" --> RMQ
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Camunda -- "consume<br/>queue: tasks" --> RMQ
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%% ===== AuthN / AuthZ =====
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ExampleApp -. "validate JWT<br/>JWKS" .-> Keycloak
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Camunda -. "validate JWT<br/>JWKS" .-> Zitadel
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Operate -. "OIDC login" .-> Zitadel
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Dashboard -. "OIDC" .-> Keycloak
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%% ===== Service mesh observability =====
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Camunda -. "envoy sidecar<br/>metrics" .-> Pilot
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ExampleApp -. "envoy sidecar<br/>metrics" .-> Pilot
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Operate -. "envoy sidecar" .-> Pilot
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%% ===== Стили =====
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classDef ext fill:#1f2937,stroke:#9ca3af,stroke-width:2px,color:#f9fafb
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classDef flux fill:#6366f1,stroke:#3730a3,stroke-width:2px,color:#fff
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classDef mesh fill:#7c3aed,stroke:#4c1d95,stroke-width:2px,color:#fff
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classDef platform fill:#0ea5e9,stroke:#075985,stroke-width:2px,color:#fff
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classDef identity fill:#f59e0b,stroke:#92400e,stroke-width:2px,color:#fff
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classDef data fill:#10b981,stroke:#065f46,stroke-width:2px,color:#fff
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classDef msg fill:#ef4444,stroke:#991b1b,stroke-width:2px,color:#fff
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classDef app fill:#ec4899,stroke:#9d174d,stroke-width:2px,color:#fff
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style GITOPS fill:#e0e7ff,stroke:#6366f1,stroke-width:2px
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style EDGE fill:#ede9fe,stroke:#7c3aed,stroke-width:2px
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style PLATFORM fill:#e0f2fe,stroke:#0ea5e9,stroke-width:2px
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style IDENTITY fill:#fef3c7,stroke:#f59e0b,stroke-width:2px
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style DATA fill:#d1fae5,stroke:#10b981,stroke-width:2px
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style MSG fill:#fee2e2,stroke:#ef4444,stroke-width:2px
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style BPM fill:#fce7f3,stroke:#ec4899,stroke-width:2px
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style APPS fill:#fce7f3,stroke:#ec4899,stroke-width:2px
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```
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**Легенда:**
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- 🟪 **Edge / Mesh** — терминация TLS, маршрутизация и mTLS между сервисами (Istio + cert-manager)
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- 🟦 **Платформа** — служебные компоненты (storage, secrets, S3 proxy, dashboard)
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- 🟧 **Identity** — единый вход и федерация пользователей (Zitadel, Keycloak, OpenLDAP)
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- 🟩 **Данные** — постоянные хранилища (PostgreSQL, Redis, MinIO)
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- 🟥 **Messaging** — асинхронный обмен (Kafka, RabbitMQ)
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- 🟪 **Бизнес-сервисы** — прикладная логика (Camunda, бизнес-приложения)
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## Структура репозитория
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```
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