kubernetes-handbook/manifests/charts/mean/templates/deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: {{ template "fullname" . }}
  labels:
    app: {{ template "fullname" . }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    release: "{{ .Release.Name }}"
    heritage: "{{ .Release.Service }}"
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: {{ template "fullname" . }}
      annotations:
        pod.beta.kubernetes.io/init-containers: '[
          {
            "name": "wait-for-db-service",
            "image": "{{ .Values.image }}",
            "imagePullPolicy": "{{ .Values.imagePullPolicy }}",
            "command": ["/bin/bash", "-c", "for i in {1..100}; do if nc -z -w 1 {{ template "mongodb.fullname" . }} 27017; then exit 0; fi; done; exit 1;"]
          },
          {
            "name": "git-clone-app",
            "image": "{{ .Values.image }}",
            "imagePullPolicy": "{{ .Values.imagePullPolicy }}",
            "command": [ "/bin/sh", "-c" , "git clone {{ .Values.repository }} /app && git checkout {{ .Values.revision }}" ],
            "volumeMounts": [
              {
                "name": "app",
                "mountPath": "/app"
              }
            ]
          },
          {
            "name": "npm-install",
            "image": "{{ .Values.image }}",
            "imagePullPolicy": "{{ .Values.imagePullPolicy }}",
            "command": [ "/bin/sh", "-c" , "npm install" ],
            "volumeMounts": [
              {
                "name": "app",
                "mountPath": "/app"
              }
            ]
          },
          {
            "name": "fixing-permissions",
            "image": "{{ .Values.image }}",
            "imagePullPolicy": "{{ .Values.imagePullPolicy }}",
            "command": [ "/bin/sh", "-c" , "chown bitnami:bitnami -R /app /home/bitnami {{ .Values.persistence.path }}"],
            "volumeMounts": [
              {
                "name": "app",
                "mountPath": "/app"
              },
              {
                "name": "data",
                "mountPath": "{{ .Values.persistence.path }}"
              }
            ]
          }
        ]'
    spec:
      containers:
      - name: {{ template "fullname" . }}
        securityContext:
          readOnlyRootFilesystem: true
        image: "{{ .Values.image }}"
        imagePullPolicy: {{ default "" .Values.imagePullPolicy | quote }}
        env:
        - name: MONGODB_HOST
          value: {{ template "mongodb.fullname" . }}
        - name: MONGODB_PORT
          value: "27017"
        - name: MONGODB_ROOT_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ template "mongodb.fullname" . }}
              key: mongodb-root-password
        - name: MONGODB_USERNAME
          value: {{ default "" .Values.mongodb.mongodbUsername | quote }}
        - name: MONGODB_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ template "mongodb.fullname" . }}
              key: mongodb-password
        - name: MONGODB_DATABASE
          value: {{ default "" .Values.mongodb.mongodbDatabase | quote }}
        - name: GIT_REPO
          value: {{ .Values.repository }}
        command:
        - /bin/bash
        - -ec
        - sudo -HEu bitnami npm start
        ports:
        - name: http
          containerPort: 8080
        livenessProbe:
          httpGet:
            path: /
            port: http
          initialDelaySeconds: 180
          timeoutSeconds: 5
          failureThreshold: 6
        readinessProbe:
          httpGet:
            path: /
            port: http
          initialDelaySeconds: 30
          timeoutSeconds: 3
          periodSeconds: 5
        volumeMounts:
        - name: app
          mountPath: /app
        - name: data
          mountPath: {{ .Values.persistence.path }}
        - name: config
          mountPath: /app/config
      volumes:
        - name: app
          emptyDir: {}
        - name: data
        {{- if .Values.persistence.enabled }}
          persistentVolumeClaim:
            claimName: {{ template "fullname" . }}
        {{- else }}
          emptyDir: {}
        {{- end }}
        - name: config
          configMap:
            name: {{ template "fullname" . }}
            items:
            - key: {{ .Values.configfile | quote }}
              path: {{ .Values.configfile | quote }}