postfacto customized yaml file based on this file https://github.com/pivotal/postfacto/blob/master/deployment/helm/templates/deployment.yaml#L72-L73

.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "postfacto.fullname" . }}
  labels:
    {{- include "postfacto.labels" . | nindent 4 }}
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      {{- include "postfacto.selectorLabels" . | nindent 6 }}
  template:
    metadata:
      labels:
        {{- include "postfacto.selectorLabels" . | nindent 8 }}
    spec:
    {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
    {{- end }}
      serviceAccountName: {{ include "postfacto.serviceAccountName" . }}
      securityContext:
        {{- toYaml .Values.podSecurityContext | nindent 8 }}
#      initContainers:
#        - name: psql-wait
#          image: postgres
#          env:
#          - name: POSTGRESQL_PASSWORD
#            valueFrom:
#              secretKeyRef:
#                name: "{{ .Release.Name }}-postgresql"
#                key: postgresql-password
#          command: ["sh", "-c", "for i in {1..33}; do sleep 3; if PGPASSWORD=$POSTGRESQL_PASSWORD psql -h {{ .Release.Name }}-postgresql -U {{ .Values.postgresql.postgresqlUsername }}; then exit 0; fi; done; exit 1"]
      containers:
        - name: {{ .Chart.Name }}
          env:
          - name: POSTGRES_HOST
            valueFrom:
              secretKeyRef:
                name: postfacto-ext-postgresql
                key: host
          - name: POSTGRES_DB
            valueFrom:
              secretKeyRef:
                name: postfacto-ext-postgresql
                key: database
          - name: POSTGRES_USERNAME
            valueFrom:
              secretKeyRef:
                name: postfacto-ext-postgresql
                key: username
          - name: POSTGRESQL_PASSWORD
            valueFrom:
              secretKeyRef:
                name: postfacto-ext-postgresql
                key: password
          - name: DATABASE_URL
            # value: "postgres://{{ .Values.postgresql.postgresqlUsername }}:$(POSTGRESQL_PASSWORD)@{{ .Release.Name }}-postgresql"
            value: "postgres://nmbrs@postgresql-nmb-psfc-stag:$(POSTGRESQL_PASSWORD)@postgresql-nmb-psfc-stag.postgres.database.azure.com/postfacto-staging-db"
          - name: SECRET_KEY_BASE
            value: {{ include "postfacto.secretKey" . }}
          - name: DISABLE_SSL_REDIRECT
            value: "{{ .Values.disableSSLRedirect }}"
#          - name: REDIS_PASSWORD
#            valueFrom:
#              secretKeyRef:
#                name: "{{ .Release.Name }}-redis"
#                key: redis-password
#          - name: REDIS_URL
#            value: "redis://:$(REDIS_PASSWORD)@{{ .Release.Name }}-redis-master"
          - name: GOOGLE_OAUTH_CLIENT_ID
            value: "{{ .Values.googleOAuthClientId }}"
          securityContext:
            {{- toYaml .Values.securityContext | nindent 12 }}
          image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
            - name: http
              containerPort: 3000
              protocol: TCP
          livenessProbe:
            httpGet:
              path: /
              port: http
          readinessProbe:
            httpGet:
              path: /
              port: http
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
    {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
    {{- end }}