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chore: add helm charts (#606)
* add helm charts * update README
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‎deploy/helm/charts/linux-command/.helmignore

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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*.orig
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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.vscode/

‎deploy/helm/charts/linux-command/Chart.yaml

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apiVersion: v2
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name: linux-command
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description: A Helm chart for Kubernetes
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 0.1.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "0.1.0"

‎deploy/helm/charts/linux-command/README.md

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# linux-command
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linux-command 的 Helm 图表。该图表使用 Helm 软件包管理器在 Kubernetes 集群上引导部署 linux-command。
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## 安装 Chart
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```
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$ helm install linux-command ./linux-command --namespace linux-command --create-namespace
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```
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## 卸载 Chart
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```
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$ helm -n linux-command uninstall linux-command
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```
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这会删除与图表相关的所有 Kubernetes 组件，并删除发布。
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## 配置参数
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下表列出了 linux-command 图表的可配置参数及其默认值。
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| Key | Type | Default | Description |
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| ------------------------------------------------------------ | ------ | ------------------------- | ----------- |
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| linuxCommand.linuxCommandContainer.image.repository | string | `"wcjiang/linux-command"` | |
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| linuxCommand.linuxCommandContainer.image.tag | string | `"latest"` | |
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| linuxCommand.linuxCommandContainer.imagePullPolicy | string | `"IfNotPresent"` | |
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| linuxCommand.linuxCommandContainer.resources.limits.cpu | string | `"100m"` | |
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| linuxCommand.linuxCommandContainer.resources.limits.memory | string | `"50Mi"` | |
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| linuxCommand.linuxCommandContainer.resources.requests.cpu | string | `"100m"` | |
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| linuxCommand.linuxCommandContainer.resources.requests.memory | string | `"50Mi"` | |
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| linuxCommand.replicas | int | `1` | |
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| service.ports[0].port | int | `9665` | |
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| service.ports[0].protocol | string | `"TCP"` | |
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| service.ports[0].targetPort | int | `3000` | |
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| service.type | string | `"NodePort"` | |
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使用`-set key=value[,key=value]`参数为`helm install`指定每个参数。
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或者，也可以在安装图表时提供指定参数值的 YAML 文件。例如
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```
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helm install <release-name> -f values.yaml ./linux-command
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```

‎deploy/helm/charts/linux-command/templates/_helpers.tpl

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "linux-command.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "linux-command.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "linux-command.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "linux-command.labels" -}}
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helm.sh/chart: {{ include "linux-command.chart" . }}
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{{ include "linux-command.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "linux-command.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "linux-command.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "linux-command.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "linux-command.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}

‎deploy/helm/charts/linux-command/templates/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "linux-command.fullname" . }}-linux-command
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labels:
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app: linux-command
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{{- include "linux-command.labels" . | nindent 4 }}
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spec:
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replicas: {{ .Values.linuxCommand.replicas }}
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selector:
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matchLabels:
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app: linux-command
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{{- include "linux-command.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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labels:
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app: linux-command
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{{- include "linux-command.selectorLabels" . | nindent 8 }}
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spec:
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containers:
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- env:
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- name: KUBERNETES_CLUSTER_DOMAIN
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value: {{ quote .Values.kubernetesClusterDomain }}
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image: {{ .Values.linuxCommand.linuxCommandContainer.image.repository }}:{{ .Values.linuxCommand.linuxCommandContainer.image.tag
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| default .Chart.AppVersion }}
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imagePullPolicy: {{ .Values.linuxCommand.linuxCommandContainer.imagePullPolicy
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}}
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name: linux-command-container
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ports:
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- containerPort: 3000
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resources: {{- toYaml .Values.linuxCommand.linuxCommandContainer.resources | nindent
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10 }}

‎deploy/helm/charts/linux-command/templates/service.yaml

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "linux-command.fullname" . }}-service
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labels:
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{{- include "linux-command.labels" . | nindent 4 }}
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spec:
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type: {{ .Values.service.type }}
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selector:
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app: linux-command
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{{- include "linux-command.selectorLabels" . | nindent 4 }}
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ports:
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{{- .Values.service.ports | toYaml | nindent 2 }}

‎deploy/helm/charts/linux-command/values.yaml

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linuxCommand:
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linuxCommandContainer:
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image:
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repository: wcjiang/linux-command
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tag: latest
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imagePullPolicy: IfNotPresent
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resources:
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limits:
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cpu: 100m
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memory: 50Mi
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requests:
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cpu: 100m
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memory: 50Mi
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replicas: 1
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service:
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ports:
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- port: 9665
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protocol: TCP
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targetPort: 3000
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type: NodePort

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