diff --git a/charts/pgadmin4/Chart.yaml b/charts/pgadmin4/Chart.yaml
index 760fccb5..e831ae4e 100644
--- a/charts/pgadmin4/Chart.yaml
+++ b/charts/pgadmin4/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 description: pgAdmin4 is a web based administration tool for PostgreSQL database
 name: pgadmin4
-version: 1.24.1
+version: 1.25.0
 appVersion: "8.5"
 keywords:
   - pgadmin
diff --git a/charts/pgadmin4/README.md b/charts/pgadmin4/README.md
index 53e5e359..287db1fc 100644
--- a/charts/pgadmin4/README.md
+++ b/charts/pgadmin4/README.md
@@ -68,6 +68,8 @@ The command removes nearly all the Kubernetes components associated with the cha
 | `strategy` | Specifies the strategy used to replace old Pods by new ones | `{}` |
 | `serverDefinitions.enabled` | Enables Server Definitions | `false` |
 | `serverDefinitions.resourceType` | The type of resource to deploy server definitions (either `ConfigMap` or `Secret`) | `ConfigMap` |
+| `serverDefinitions.existingConfigmap` | The name of a configMap containing Server Definitions. Only used when `serverDefinitions.resourceType` is `ConfigMap` | `""` |
+| `serverDefinitions.existingSecret` | The name of a Secret containing Server Definitions. Only used when `serverDefinitions.resourceType` is `Secret` | `""` |
 | `serverDefinitions.servers` | Pre-configured server parameters | `{}` |
 | `networkPolicy.enabled` | Enables Network Policy | `true` |
 | `ingress.enabled` | Enables Ingress | `false` |
@@ -79,7 +81,7 @@ The command removes nearly all the Kubernetes components associated with the cha
 | `extraConfigmapMounts` | Additional configMap volume mounts for pgadmin4 pod | `[]` |
 | `extraSecretMounts` | Additional secret volume mounts for pgadmin4 pod | `[]` |
 | `extraContainers` | Sidecar containers to add to the pgadmin4 pod  | `"[]"` |
-| `existingSecret` | The name of an existing secret containing the pgadmin4 default password. | `""` |
+| `existingSecret` | The name of an existing secret containing the pgadmin4 default password and, optionally, Server Definitions. | `""` |
 | `secretKeys.pgadminPasswordKey` | Name of key in existing secret to use for default pgadmin credentials. Only used when `existingSecret` is set. | `"password"` |
 | `extraInitContainers` | Sidecar init containers to add to the pgadmin4 pod  | `"[]"` |
 | `env.email` | pgAdmin4 default email. Needed chart reinstall for apply changes | `chart@domain.com` |
diff --git a/charts/pgadmin4/templates/NOTES.txt b/charts/pgadmin4/templates/NOTES.txt
index 67b0bdcb..88fede24 100644
--- a/charts/pgadmin4/templates/NOTES.txt
+++ b/charts/pgadmin4/templates/NOTES.txt
@@ -1,3 +1,7 @@
+CHART NAME: {{ .Chart.Name }}
+CHART VERSION: {{ .Chart.Version }}
+APP VERSION: {{ .Chart.AppVersion }}
+
 1. Get the application URL by running these commands:
 {{- if .Values.ingress.enabled }}
 {{- range $host := .Values.ingress.hosts }}
@@ -19,3 +23,5 @@
   echo "Visit http://127.0.0.1:8080 to use your application"
   kubectl port-forward $POD_NAME 8080:80
 {{- end }}
+
+{{- include "pgadmin.validateValues" . }}
diff --git a/charts/pgadmin4/templates/_helpers.tpl b/charts/pgadmin4/templates/_helpers.tpl
index d58687b8..42488dbd 100644
--- a/charts/pgadmin4/templates/_helpers.tpl
+++ b/charts/pgadmin4/templates/_helpers.tpl
@@ -109,3 +109,74 @@ Create the name of the namespace
 {{- define "pgadmin.namespaceName" -}}
 {{- default .Release.Namespace .Values.namespace }}
 {{- end }}
+
+{{/*
+Generate serverDefinitions configMap name
+*/}}
+{{- define "pgadmin.serverDefinitionsConfigmap" -}}
+{{- if eq .Values.serverDefinitions.resourceType "ConfigMap" -}}
+    {{- if .Values.serverDefinitions.existingConfigmap }}
+        {{- printf "%s" (.Values.serverDefinitions.existingConfigmap) }}
+    {{- else }}
+        {{- include "pgadmin.fullname" . }}-server-definitions
+    {{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Generate serverDefinitions secret name
+*/}}
+{{- define "pgadmin.serverDefinitionsSecret" -}}
+{{- if eq .Values.serverDefinitions.resourceType "Secret" -}}
+    {{- if .Values.serverDefinitions.existingSecret }}
+        {{- printf "%s" (.Values.serverDefinitions.existingSecret) }}
+    {{- else if .Values.existingSecret }}
+        {{- printf "%s" (.Values.existingSecret) }}
+    {{- else }}
+        {{- include "pgadmin.fullname" . }}-server-definitions
+    {{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Compile all warnings into a single message.
+*/}}
+{{- define "pgadmin.validateValues" -}}
+{{- $messages := list -}}
+{{- $messages := append $messages (include "pgadmin.validateValues.serverDefinitionsType" .) -}}
+{{- $messages := append $messages (include "pgadmin.validateValues.serverDefinitionsContent" .) -}}
+{{- $messages := without $messages "" -}}
+{{- $message := join "\n" $messages -}}
+
+{{- if $message -}}
+{{-   printf "\nVALUES VALIDATION:\n%s" $message | fail -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Verify serverDefinitions.resourceType
+*/}}
+{{- define "pgadmin.validateValues.serverDefinitionsType" -}}
+{{- $allowedResourceTypes := list "ConfigMap" "Secret" -}}
+{{- if .Values.serverDefinitions.enabled -}}
+    {{- if not (has .Values.serverDefinitions.resourceType $allowedResourceTypes) -}}
+        pgadmin: serverDefinitions.resourceType
+        Invalid value for '.Values.serverDefinitions.resourceType'. Allowed values are either ConfigMap or Secret.
+    {{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Verify serverDefinitions.content
+*/}}
+{{- define "pgadmin.validateValues.serverDefinitionsContent" -}}
+{{- if .Values.serverDefinitions.enabled -}}
+    {{- if and (eq .Values.serverDefinitions.resourceType "ConfigMap") (not .Values.serverDefinitions.servers) (not .Values.serverDefinitions.existingConfigmap) -}}
+        pgadmin: serverDefinitions.servers
+        One of '.Values.serverDefinitions.servers' or '.Values.serverDefinitions.existingConfigmap' must be defined.
+    {{- else if and (eq .Values.serverDefinitions.resourceType "Secret") (not .Values.serverDefinitions.servers) (not .Values.serverDefinitions.existingSecret) (not .Values.existingSecret) -}}
+        pgadmin: serverDefinitions.servers
+        One of '.Values.serverDefinitions.servers', '.Values.serverDefinitions.existingSecret' or '.Values.existingSecret' must be defined.
+    {{- end }}
+{{- end }}
+{{- end }}
diff --git a/charts/pgadmin4/templates/deployment.yaml b/charts/pgadmin4/templates/deployment.yaml
index b1c17773..e3f397e9 100644
--- a/charts/pgadmin4/templates/deployment.yaml
+++ b/charts/pgadmin4/templates/deployment.yaml
@@ -41,7 +41,6 @@ spec:
         checksum/secret: {{ include (print $.Template.BasePath "/auth-secret.yaml") . | sha256sum }}
       {{- end }}
     {{- end }}
-
     spec:
     {{- if .Values.serviceAccount.create }}
       serviceAccountName: {{ default $fullName .Values.serviceAccount.name }}
@@ -157,10 +156,12 @@ spec:
             - name: SCRIPT_NAME
               value: {{ .Values.env.contextPath }}
           {{- end }}
-          {{- if .Values.serverDefinitions.enabled }}
+          {{- if and (.Values.serverDefinitions.enabled) (or (eq .Values.serverDefinitions.resourceType "ConfigMap") (eq .Values.serverDefinitions.resourceType "Secret")) -}}
+          {{- if or (.Values.serverDefinitions.existingConfigmap) (.Values.serverDefinitions.existingSecret) (.Values.existingSecret) (.Values.serverDefinitions.servers) }}
             - name: PGADMIN_SERVER_JSON_FILE
               value: /pgadmin4/servers.json
           {{- end }}
+          {{- end }}
           {{- range .Values.env.variables }}
             - name: {{ .name | quote }}
               value: {{ .value | quote }}
@@ -180,11 +181,13 @@ spec:
             - name: pgadmin-data
               mountPath: /var/lib/pgadmin
               subPath: {{ .Values.persistentVolume.subPath | default "" }}
-          {{- if .Values.serverDefinitions.enabled }}
+          {{- if and (.Values.serverDefinitions.enabled) (or (eq .Values.serverDefinitions.resourceType "ConfigMap") (eq .Values.serverDefinitions.resourceType "Secret")) -}}
+          {{- if or (.Values.serverDefinitions.existingConfigmap) (.Values.serverDefinitions.existingSecret) (.Values.existingSecret) (.Values.serverDefinitions.servers) }}
             - name: definitions
               mountPath: /pgadmin4/servers.json
               subPath: servers.json
           {{- end }}
+          {{- end }}
           {{- range .Values.extraConfigmapMounts }}
             - name: {{ .name }}
               mountPath: {{ .mountPath }}
@@ -228,18 +231,21 @@ spec:
       {{- if .Values.extraVolumes }}
         {{- .Values.extraVolumes | toYaml | nindent 8 }}
       {{- end }}
-      {{- if .Values.serverDefinitions.enabled }}
+      {{- if and (.Values.serverDefinitions.enabled) (eq .Values.serverDefinitions.resourceType "Secret") -}}
+        {{- if or (.Values.serverDefinitions.existingSecret) (.Values.existingSecret) (.Values.serverDefinitions.servers) }}
         - name: definitions
-          {{- if eq .Values.serverDefinitions.resourceType "Secret" }}
           secret:
-            secretName: {{ $fullName }}-server-definitions
-          {{- else }}
+            secretName: {{ include "pgadmin.serverDefinitionsSecret" . }}
+        {{- end }}
+      {{- else if and (.Values.serverDefinitions.enabled) (eq .Values.serverDefinitions.resourceType "ConfigMap") -}}
+        {{ if or (.Values.serverDefinitions.existingConfigmap) (.Values.serverDefinitions.servers) }}
+        - name: definitions
           configMap:
-            name: {{ $fullName }}-server-definitions
-          {{- end }}
+            name: {{ include "pgadmin.serverDefinitionsConfigmap" . }}
             items:
             - key: servers.json
               path: servers.json
+        {{- end }}
       {{- end }}
     {{- if .Values.imagePullSecrets }}
       imagePullSecrets:
diff --git a/charts/pgadmin4/templates/server-definitions-configmap.yaml b/charts/pgadmin4/templates/server-definitions-configmap.yaml
index 3245d1ee..1a52c875 100644
--- a/charts/pgadmin4/templates/server-definitions-configmap.yaml
+++ b/charts/pgadmin4/templates/server-definitions-configmap.yaml
@@ -1,4 +1,5 @@
-{{- if and .Values.serverDefinitions.enabled ( ne .Values.serverDefinitions.resourceType "Secret" ) }}
+{{- if not .Values.serverDefinitions.existingConfigmap -}}
+{{- if and (.Values.serverDefinitions.enabled) (eq .Values.serverDefinitions.resourceType "ConfigMap") (.Values.serverDefinitions.servers) }}
 apiVersion: v1
 kind: ConfigMap
 metadata:
@@ -10,3 +11,4 @@ data:
   servers.json: |-
 {{ include "pgadmin.serverDefinitions" . | indent 4 }}
 {{- end }}
+{{- end }}
diff --git a/charts/pgadmin4/templates/server-definitions-secret.yaml b/charts/pgadmin4/templates/server-definitions-secret.yaml
index 13768e0f..ebacf64c 100644
--- a/charts/pgadmin4/templates/server-definitions-secret.yaml
+++ b/charts/pgadmin4/templates/server-definitions-secret.yaml
@@ -1,5 +1,5 @@
-{{- if not .Values.existingSecret }}
-{{- if and .Values.serverDefinitions.enabled ( eq .Values.serverDefinitions.resourceType "Secret" ) }}
+{{- if and (not .Values.serverDefinitions.existingSecret) (not .Values.existingSecret) -}}
+{{- if and (.Values.serverDefinitions.enabled) ( eq .Values.serverDefinitions.resourceType "Secret") (.Values.serverDefinitions.servers) }}
 apiVersion: v1
 kind: Secret
 metadata:
diff --git a/charts/pgadmin4/values.yaml b/charts/pgadmin4/values.yaml
index 71e9a28f..3615b5b5 100644
--- a/charts/pgadmin4/values.yaml
+++ b/charts/pgadmin4/values.yaml
@@ -85,6 +85,12 @@ serverDefinitions:
   ## Can either be ConfigMap or Secret
   resourceType: ConfigMap
 
+  # If resource type is set to ConfigMap, specify existingConfigmap containing definitions
+  existingConfigmap: ""
+
+  # If resource type is set to Secret, specify existingSecret containing definitions
+  existingSecret: ""
+
   servers:
   #  firstServer:
   #    Name: "Minimally Defined Server"