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https://github.com/Dannecron/netology-devops.git
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homework 13.1: complete task 2
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@@ -83,6 +83,7 @@ ansible-playbook -u ubuntu -i inventory/mycluster/inventory.ini cluster.yml -b -
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```shell
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ssh ubuntu@62.84.124.154
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mkdir ~/.kube
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sudo cp /etc/kubernetes/admin.conf ~/.kube/config
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sudo chown ubuntu:ubuntu ~/.kube/config
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```
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@@ -0,0 +1,42 @@
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: prod-app
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service: backend
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name: prod-app-backend
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namespace: default
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: prod-app
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service: backend
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template:
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metadata:
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labels:
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app: prod-app
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service: backend
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spec:
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containers:
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- image: dannecron/netology-devops-k8s-app:backend-latest
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imagePullPolicy: Always
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name: netology-backend
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env:
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- name: DATABASE_URL
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value: "postgres://pg_user:pg_passwd@postgres:5432/news"
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terminationGracePeriodSeconds: 30
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: prod-backend
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namespace: default
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spec:
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ports:
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- name: web
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port: 9000
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selector:
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app: prod-app
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service: backend
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@@ -0,0 +1,87 @@
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: postgres-config
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labels:
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app: postgres
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data:
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POSTGRES_DB: news
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POSTGRES_USER: db_user
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POSTGRES_PASSWORD: db_passwd
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PGDATA: /var/lib/postgresql/data
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---
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apiVersion: v1
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kind: PersistentVolume
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metadata:
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name: postgres-pv-volume # Sets PV's name
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labels:
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type: local # Sets PV's type to local
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app: postgres
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spec:
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storageClassName: manual
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capacity:
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storage: 1Gi # Sets PV Volume
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accessModes:
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- ReadWriteMany
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hostPath:
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path: "/mnt/pgsql_data"
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: postgres-pv-claim # Sets name of PVC
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labels:
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app: postgres
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spec:
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storageClassName: manual
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accessModes:
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- ReadWriteMany # Sets read and write access
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resources:
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requests:
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storage: 1Gi # Sets volume size
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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labels:
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app: prod-app
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service: database
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db-kind: postgresql
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name: testing-db
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namespace: default
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spec:
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selector:
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matchLabels:
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app: prod-app
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service: database
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db-kind: postgresql
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serviceName: postgres
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replicas: 1
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podManagementPolicy: "Parallel"
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updateStrategy:
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type: "RollingUpdate"
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template:
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metadata:
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labels:
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app: prod-app
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service: database
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db-kind: postgresql
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spec:
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terminationGracePeriodSeconds: 60
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containers:
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- name: postgres
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image: postgres:13-alpine # Sets Image
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imagePullPolicy: "IfNotPresent"
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ports:
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- containerPort: 5432 # Exposes container port
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envFrom:
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- configMapRef:
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name: postgres-config
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volumeMounts:
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- mountPath: /var/lib/postgresql/data
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name: postgredb
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volumes:
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- name: postgredb
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persistentVolumeClaim:
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claimName: postgres-pv-claim
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@@ -0,0 +1,42 @@
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: prod-app
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service: frontend
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name: prod-app-frontend
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namespace: default
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: prod-app
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service: frontend
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template:
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metadata:
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labels:
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app: prod-app
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service: frontend
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spec:
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containers:
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- image: dannecron/netology-devops-k8s-app:frontend-latest
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imagePullPolicy: Always
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name: netology-frontend
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env:
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- name: BASE_URL
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value: "http://prod-backend:9000"
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terminationGracePeriodSeconds: 30
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: prod-frontend
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namespace: default
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spec:
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ports:
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- name: web
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port: 80
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selector:
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app: prod-app
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service: frontend
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@@ -58,11 +58,29 @@ testing-db-0 1/1 Running 5 (6m20s ago) 7m53s
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> * в окружении фронта прописан адрес сервиса бекенда;
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> * в окружении бекенда прописан адрес сервиса базы данных.
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// todo
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Разделение на отдельные деплойменты будет выглядеть следующим образом:
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* БД ([production/database.yml](./config/production/database.yml)) остаётся почти без изменений:
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всё так же будут создаваться `ConfigMap`, `PersistentVolume`, `PersistentVolumeClaim` и сам `StatefulSet`
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* Для frontend ([production/frontend.yml](./config/production/frontend.yml)) и backend ([production/backend.yml](./config/production/backend.yml))
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созданы собственные `deployment` и `service`.
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### Задание 3
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Как и в прошлом задании нужно применить данные конфигурации:
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> Приложению потребовалось внешнее api, и для его использования лучше добавить endpoint в кластер, направленный на это api. Требования:
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> * добавлен endpoint до внешнего api (например, геокодер).
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```shell
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kubectl apply -f production/database.yml
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kubectl apply -f production/backend.yml
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kubectl apply -f production/frontend.yml
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```
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// todo
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Затем нужно проверить, что все поды успешно запустились:
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```shell
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kubectl get pods
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```
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```text
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NAME READY STATUS RESTARTS AGE
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prod-app-backend-784f995b5f-vvcr7 1/1 Running 0 84s
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prod-app-frontend-947f64949-6vtn7 1/1 Running 0 30s
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testing-db-0 1/1 Running 0 4m15s
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```
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