Kubernetes

Production-ready Kubernetes platform diagrams.

Production Platform

Complete K8s platform with observability.

@arch
#!ext icons

[nodes]
  users:Users|icon:users
  devs:Developers|icon:users

  [CI/CD]
    git:GitHub|icon:devicon-github
    ci:CI Pipeline|icon:server
    registry:Container Registry|icon:devicon-docker

  [Kubernetes Cluster]
    ingress:Ingress Controller|icon:devicon-kubernetes

    [Namespaces]
      [production]
        [API Deployment]
          api1:API Pod|icon:devicon-docker
          api2:API Pod|icon:devicon-docker
          api3:API Pod|icon:devicon-docker
        api_svc:API Service|diamond

        [Worker Deployment]
          w1:Worker Pod|icon:devicon-docker
          w2:Worker Pod|icon:devicon-docker
        worker_svc:Worker Service|diamond

      [monitoring]
        prom:Prometheus|icon:server
        grafana:Grafana|icon:server
        alert:Alertmanager|icon:server

      [logging]
        fluentd:Fluentd|icon:server
        elastic:Elasticsearch|icon:database
        kibana:Kibana|icon:server

  [External Services]
    db:PostgreSQL|icon:database
    redis:Redis|icon:database
    kafka:Kafka|icon:server

[edges]
  users->ingress
  devs->git:push
  git->ci:webhook
  ci->registry:push
  registry->api1:pull
  registry->w1:pull
  ingress->api_svc
  api_svc->api1
  api_svc->api2
  api_svc->api3
  api1->db
  api1->redis
  api1-->kafka
  kafka-->worker_svc
  worker_svc->w1
  worker_svc->w2
  w1->db
  prom->api1:scrape
  prom->w1:scrape
  prom->grafana
  prom->alert
  api1->fluentd:logs
  fluentd->elastic
  elastic->kibana

Rendered diagram

Service Mesh (Istio)

Microservices with Istio service mesh.

@arch
#!ext icons

[styles]
  mesh: color:#466BB0|width:2
  mtls: color:#10B981|dash:3,3

[nodes]
  [Kubernetes + Istio]
    [Ingress]
      gateway:Istio Gateway|icon:devicon-kubernetes

    [Services]
      [Product Service]
        product:Product|icon:devicon-docker
        product_proxy:Envoy|diamond

      [Order Service]
        order:Order|icon:devicon-docker
        order_proxy:Envoy|diamond

      [User Service]
        user:User|icon:devicon-docker
        user_proxy:Envoy|diamond

    [Istio Control Plane]
      pilot:Pilot|icon:devicon-kubernetes
      citadel:Citadel|icon:lock
      mixer:Mixer|icon:devicon-kubernetes

    [Observability]
      jaeger:Jaeger|icon:server
      kiali:Kiali|icon:server
      prometheus:Prometheus|icon:server

[edges]
  gateway->product_proxy|style:mesh
  gateway->order_proxy|style:mesh
  product_proxy->product|style:mtls
  order_proxy->order|style:mtls
  user_proxy->user|style:mtls
  order_proxy->product_proxy|style:mesh
  order_proxy->user_proxy|style:mesh
  pilot->product_proxy:config
  pilot->order_proxy:config
  citadel->product_proxy:certs
  product_proxy->mixer:telemetry
  mixer->prometheus
  mixer->jaeger
  kiali->prometheus

Rendered diagram

GitOps with ArgoCD

GitOps deployment pattern.

@arch
#!ext icons

[nodes]
  dev:Developer|icon:user

  [Git Repository]
    app_repo:App Repo|icon:devicon-github
    config_repo:Config Repo|icon:devicon-github

  [CI Pipeline]
    ci:CI System|icon:server
    registry:Registry|icon:devicon-docker

  [Kubernetes]
    [argocd namespace]
      argo:ArgoCD|icon:devicon-kubernetes

    [production namespace]
      app:Application|icon:devicon-docker

    [staging namespace]
      app_stage:Application|icon:devicon-docker

[edges]
  dev->app_repo:push code
  app_repo->ci:trigger
  ci->registry:push image
  ci->config_repo:update manifests
  config_repo->argo:sync
  argo->app:deploy
  argo->app_stage:deploy
  registry->app:pull

Rendered diagram

Stateful Workloads

Database clusters on Kubernetes.

@arch
#!ext icons

[nodes]
  [Kubernetes Cluster]
    [PostgreSQL StatefulSet]
      pg_svc:PostgreSQL Service|diamond
      pg0:postgres-0 (Primary)|icon:database
      pg1:postgres-1 (Replica)|icon:database
      pg2:postgres-2 (Replica)|icon:database

    [Storage]
      pv0:PV 0|cyl
      pv1:PV 1|cyl
      pv2:PV 2|cyl

    [Operator]
      pg_operator:PostgreSQL Operator|icon:devicon-kubernetes

    [Backup]
      backup_job:Backup CronJob|icon:server
      s3:S3 Bucket|icon:aws-s3

  app:Application|icon:devicon-docker

[edges]
  app->pg_svc:queries
  pg_svc->pg0:writes
  pg_svc->pg1:reads
  pg_svc->pg2:reads
  pg0->pg1:replication
  pg0->pg2:replication
  pg0->pv0:data
  pg1->pv1:data
  pg2->pv2:data
  pg_operator->pg0:manage
  pg_operator->pg1:manage
  pg_operator->pg2:manage
  backup_job->pg0:dump
  backup_job->s3:store

Rendered diagram

More Kubernetes Examples

See the example files in the repository:

• kubernetes-platform.tdl - Full platform architecture