diff --git a/charts/nextcloud/Chart.lock b/charts/nextcloud/Chart.lock
index 8440595fc23abae8e5c96da422ca2bd5d61509ec..0e1fefa49ac3c041abd9e9616b88a17a007759c3 100644
--- a/charts/nextcloud/Chart.lock
+++ b/charts/nextcloud/Chart.lock
@@ -1,12 +1,12 @@
 dependencies:
 - name: mariadb
   repository: https://groundhog2k.github.io/helm-charts
-  version: 0.2.5
+  version: 0.2.8
 - name: postgres
   repository: https://groundhog2k.github.io/helm-charts
-  version: 0.2.5
+  version: 0.2.7
 - name: redis
   repository: https://groundhog2k.github.io/helm-charts
-  version: 0.2.6
-digest: sha256:fa9bed6e6400ef182cdde2faa464830007e6f3d68afd0a9f973d8f9c9d2e79cc
-generated: "2021-01-15T17:40:35.2508472+01:00"
+  version: 0.2.8
+digest: sha256:4f91ed0a625d71d0d891bdfa301fb5cc1b3570bae9f7ed4038b8ec83de697cf7
+generated: "2021-02-03T18:51:10.7352492+01:00"
diff --git a/charts/nextcloud/Chart.yaml b/charts/nextcloud/Chart.yaml
index 2f5222661e79320a5f509ac9be2f2e813d143314..907e66c9a99967403522093a4c1e182e35d80756 100644
--- a/charts/nextcloud/Chart.yaml
+++ b/charts/nextcloud/Chart.yaml
@@ -8,21 +8,21 @@ maintainers:
   - name: groundhog2k
 
 # This is the chart version.
-version: 0.4.1
+version: 0.4.2
 
 # This is the version number of the application being deployed.
 appVersion: "20.0.6-apache"
 
 dependencies:
   - name: mariadb
-    version: 0.2.5
+    version: 0.2.8
     repository: "https://groundhog2k.github.io/helm-charts"
     condition: mariadb.enabled
   - name: postgres
-    version: 0.2.5
+    version: 0.2.7
     repository: "https://groundhog2k.github.io/helm-charts"
     condition: postgres.enabled
   - name: redis
-    version: 0.2.6
+    version: 0.2.8
     repository: "https://groundhog2k.github.io/helm-charts"
     condition: redis.enabled
diff --git a/charts/nextcloud/README.md b/charts/nextcloud/README.md
index c1509bc52b88fea34ce33b992714e79ce75a444b..ed86b82b8236f3c06e3ba237bf92020252346fab 100644
--- a/charts/nextcloud/README.md
+++ b/charts/nextcloud/README.md
@@ -1,6 +1,6 @@
 #  Nextcloud
 
-![Version: 0.4.1](https://img.shields.io/badge/Version-0.4.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 20.0.6-apache](https://img.shields.io/badge/AppVersion-20.0.6-informational?style=flat-square)
+![Version: 0.4.2](https://img.shields.io/badge/Version-0.4.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 20.0.6-apache](https://img.shields.io/badge/AppVersion-20.0.6-informational?style=flat-square)
 
 A Helm chart for Nextcloud on Kubernetes
 
@@ -62,9 +62,9 @@ $ helm uninstall my-release
 
 | Repository | Name | Version |
 |------------|------|---------|
-| @groundhog2k | mariadb | 0.2.5 |
-| @groundhog2k | postgres | 0.2.5 |
-| @groundhog2k | redis | 0.2.6 |
+| @groundhog2k | mariadb | 0.2.8 |
+| @groundhog2k | postgres | 0.2.7 |
+| @groundhog2k | redis | 0.2.8 |
 
 ## Common parameters
 
@@ -81,8 +81,11 @@ $ helm uninstall my-release
 | image.repository | string | `"nextcloud"` | Image name |
 | image.tag | string | `""` | Image tag |
 | imagePullSecrets | list | `[]` | Image pull secrets |
+| strategy.type | object | `"RollingUpdate"` | Pod deployment strategy |
 | livenessProbe | object | `see values.yaml` | Liveness probe configuration |
 | startupProbe | object | `see values.yaml` | Startup probe configuration |
+| customLivenessProbe | object | `{}` | Custom liveness probe (overwrites default liveness probe configuration) |
+| customStartupProbe | object | `{}` | Custom startup probe (overwrites default startup probe configuration) |
 | resources | object | `{}` | Resource limits and requests |
 | nodeSelector | object | `{}` | Deployment node selector |
 | podAnnotations | object | `{}` | Additional pod annotations |
@@ -103,6 +106,7 @@ $ helm uninstall my-release
 | postUpgradeHook | bool | `false` | Enable post upgrade hook |
 | postUpgradeHookDelay | int | `10` | Delay in seconds before post-upgrade steps are initiated |
 | postUpgradeSteps | list | `see values.yaml` | Script with post upgrade steps |
+
 ## Cron jobs
 
 | Key | Type | Default | Description |
diff --git a/charts/nextcloud/charts/mariadb-0.2.5.tgz b/charts/nextcloud/charts/mariadb-0.2.5.tgz
deleted file mode 100644
index 9f59f3f0cba3e7c41adec28d74b4994b910bcb19..0000000000000000000000000000000000000000
Binary files a/charts/nextcloud/charts/mariadb-0.2.5.tgz and /dev/null differ
diff --git a/charts/nextcloud/charts/mariadb-0.2.8.tgz b/charts/nextcloud/charts/mariadb-0.2.8.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..19b04962300d9b10b6c7263a9dab310f9c2f186e
Binary files /dev/null and b/charts/nextcloud/charts/mariadb-0.2.8.tgz differ
diff --git a/charts/nextcloud/charts/postgres-0.2.5.tgz b/charts/nextcloud/charts/postgres-0.2.5.tgz
deleted file mode 100644
index c2b41d43ffbc183aa96b8e09f0f01cfb08498002..0000000000000000000000000000000000000000
Binary files a/charts/nextcloud/charts/postgres-0.2.5.tgz and /dev/null differ
diff --git a/charts/nextcloud/charts/postgres-0.2.7.tgz b/charts/nextcloud/charts/postgres-0.2.7.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..a8a63a1a22cfb6b9817154979215a15069d38d84
Binary files /dev/null and b/charts/nextcloud/charts/postgres-0.2.7.tgz differ
diff --git a/charts/nextcloud/charts/redis-0.2.6.tgz b/charts/nextcloud/charts/redis-0.2.6.tgz
deleted file mode 100644
index 33e97d1c370349664f5c508b831d5f4293856b8f..0000000000000000000000000000000000000000
Binary files a/charts/nextcloud/charts/redis-0.2.6.tgz and /dev/null differ
diff --git a/charts/nextcloud/charts/redis-0.2.8.tgz b/charts/nextcloud/charts/redis-0.2.8.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..890c3f1ce896a1b74e90e801d933eb4b80859762
Binary files /dev/null and b/charts/nextcloud/charts/redis-0.2.8.tgz differ
diff --git a/charts/nextcloud/templates/_helpers.tpl b/charts/nextcloud/templates/_helpers.tpl
index bd7089767bf823df260f519379b558c48ec34da9..66b638c0aaad095d28a2169a9afcf5d6606867e1 100644
--- a/charts/nextcloud/templates/_helpers.tpl
+++ b/charts/nextcloud/templates/_helpers.tpl
@@ -108,30 +108,56 @@ Nextcloud specific environment variables
 {{- $internal := include "nextcloud.fullname" . }}
 {{- with .Values.settings }}
 - name: NEXTCLOUD_TRUSTED_DOMAINS
-  value: {{ $internal }} {{ .trustedDomains | default ("") }} 
+  {{- if .trustedDomains }}
+  value: {{ (printf "%s %s" $internal .trustedDomains) | quote }} 
+  {{- else }}
+  value: {{ $internal | quote }} 
+  {{- end }}
 {{- if .disableRewriteIP }}
 - name: APACHE_DISABLE_REWRITE_IP
-  value: {{ .disableRewriteIP }}
+  value: {{ .disableRewriteIP | quote }}
 {{- end }}
 {{- if .trustedProxies }}
 - name: TRUSTED_PROXIES
-  value: {{ .trustedProxies }}
+  value: {{ .trustedProxies | quote }}
 {{- end }}
 {{- if .overwriteHost }}
 - name: OVERWRITEHOST
-  value: {{ .overwriteHost }}
+  value: {{ .overwriteHost | quote }}
 {{- end }}
 {{- if .overwriteProtocol }}
 - name: OVERWRITEPROTOCOL
-  value: {{ .overwriteProtocol }}
+  value: {{ .overwriteProtocol | quote }}
 {{- end }}
 {{- if .overwriteWebRoot }}
 - name: OVERWRITEWEBROOT
-  value: {{ .overwriteWebRoot }}
+  value: {{ .overwriteWebRoot | quote }}
 {{- end }}
 {{- if .overwriteCondAddr }}
 - name: OVERWRITECONDADDR
-  value: {{ .overwriteCondAddr }}
-{{- end }}
+  value: {{ .overwriteCondAddr | quote }}
+{{- end }}
+{{- end }}
+{{- with .Values.settings.smtp }}
+  {{- if .enabled }}
+- name: SMTP_HOST 
+  value: {{ .host | quote }}
+- name: SMTP_PORT 
+  value: {{ .port | quote }}
+  {{- if .secure }}
+- name: SMTP_SECURE
+  value: "ssl"
+  {{- end }}
+- name: SMTP_AUTHTYPE
+  value: {{ .authType | quote }}
+  {{- if .from }}
+- name: MAIL_FROM_ADDRESS
+  value: {{ .from | quote }}
+  {{- end }}
+  {{- if .domain }}
+- name: MAIL_DOMAIN
+  value: {{ .domain | quote }}
+  {{- end }}
+  {{- end }}
 {{- end }}
 {{- end }}
diff --git a/charts/nextcloud/templates/deployment.yaml b/charts/nextcloud/templates/deployment.yaml
index 5c00354509f66506c14def13f512e772eae6fc92..c9d7ac9de896a3c33e41dac3206008fe95adc81b 100644
--- a/charts/nextcloud/templates/deployment.yaml
+++ b/charts/nextcloud/templates/deployment.yaml
@@ -6,15 +6,19 @@ metadata:
     {{- include "nextcloud.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.replicas }}
-  strategy: 
-    type: RollingUpdate
+  {{- with .Values.strategy }}
+  strategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   selector:
     matchLabels:
       {{- include "nextcloud.selectorLabels" . | nindent 6 }}
   template:
     metadata:
-    {{- with .Values.podAnnotations }}
       annotations:
+        checksum/secureconfig: {{ include (print $.Template.BasePath "/secureconfig.yaml") . | sha256sum }}
+        checksum/extendedconfig: {{ include (print $.Template.BasePath "/extendedconfig.yaml") . | sha256sum }}
+    {{- with .Values.podAnnotations }}
         {{- toYaml . | nindent 8 }}
     {{- end }}
       labels:
@@ -64,6 +68,10 @@ spec:
             - name: http
               containerPort: {{ .Values.containerPort  }}
               protocol: TCP
+          {{- if .Values.customLivenessProbe }}
+          livenessProbe:
+            {{- toYaml .Values.customLivenessProbe | nindent 12 }}
+          {{- else }}
           {{- if .Values.livenessProbe.enabled }}
           livenessProbe:
             httpGet:
@@ -80,6 +88,11 @@ spec:
             periodSeconds: {{ .periodSeconds }}
           {{- end }}
           {{- end }}
+          {{- end }}
+          {{- if .Values.customStartupProbe }}
+          startupProbe:
+            {{- toYaml .Values.customStartupProbe | nindent 12 }}
+          {{- else }}
           {{- if .Values.startupProbe.enabled }}
           startupProbe:
             httpGet:
@@ -96,6 +109,7 @@ spec:
             periodSeconds: {{ .periodSeconds }}
           {{- end }}
           {{- end }}
+          {{- end }}
           {{- with .Values.resources }}
           resources:
             {{- toYaml . | nindent 12 }}
diff --git a/charts/nextcloud/templates/extended-config.yaml b/charts/nextcloud/templates/extendedconfig.yaml
similarity index 100%
rename from charts/nextcloud/templates/extended-config.yaml
rename to charts/nextcloud/templates/extendedconfig.yaml
diff --git a/charts/nextcloud/templates/secureconfig.yaml b/charts/nextcloud/templates/secureconfig.yaml
index 65e0ce146c42e3048fc77a9643ee881354a885ca..6b316d3cc109b4f203ed143dba94cb3be55276e2 100644
--- a/charts/nextcloud/templates/secureconfig.yaml
+++ b/charts/nextcloud/templates/secureconfig.yaml
@@ -4,82 +4,66 @@ metadata:
   name: {{ include "nextcloud.fullname" . }}
   labels:
     {{- include "nextcloud.labels" . | nindent 4 }}
-stringData:
+data:
 {{- if .Values.mariadb.enabled }}
-  MYSQL_HOST: {{ include "mariadb.servicename" . }}
+  MYSQL_HOST: {{ (include "mariadb.servicename" .) | b64enc }}
   {{- with .Values.mariadb.userDatabase }}
-  MYSQL_DATABASE: {{ .name }}
-  MYSQL_USER: {{ .user }}
-  MYSQL_PASSWORD: {{ .password }}
+  MYSQL_DATABASE: {{ .name | b64enc }}
+  MYSQL_USER: {{ .user | b64enc }}
+  MYSQL_PASSWORD: {{ .password | b64enc }}
   {{- end }}
 {{- else }}
 {{- if .Values.postgres.enabled }}
-  POSTGRES_HOST: {{ include "postgres.servicename" . }}
+  POSTGRES_HOST: {{ (include "postgres.servicename" .) | b64enc }}
   {{- with .Values.postgres.userDatabase }}
-  POSTGRES_DB: {{ .name }}
-  POSTGRES_USER: {{ .user }}
-  POSTGRES_PASSWORD: {{ .password }}
+  POSTGRES_DB: {{ .name | b64enc }}
+  POSTGRES_USER: {{ .user | b64enc }}
+  POSTGRES_PASSWORD: {{ .password | b64enc }}
   {{- end }}
 {{- else }}
 {{- with .Values.externalDatabase }}
   {{- if or (eq .type "mariadb") (eq .type "mysql") }}
-  MYSQL_DATABASE: {{ .name }}
-  MYSQL_USER: {{ .user }}
-  MYSQL_PASSWORD: {{ .password }}
-  MYSQL_HOST: {{ .host }}
+  MYSQL_DATABASE: {{ .name | b64enc }}
+  MYSQL_USER: {{ .user | b64enc }}
+  MYSQL_PASSWORD: {{ .password | b64enc }}
+  MYSQL_HOST: {{ .host | b64enc }}
   {{- else if eq .type "postgres" }}
-  POSTGRES_DB: {{ .name }}
-  POSTGRES_USER: {{ .user }}
-  POSTGRES_PASSWORD: {{ .password }}
-  POSTGRES_HOST: {{ .host }}
+  POSTGRES_DB: {{ .name | b64enc }}
+  POSTGRES_USER: {{ .user | b64enc }}
+  POSTGRES_PASSWORD: {{ .password | b64enc }}
+  POSTGRES_HOST: {{ .host | b64enc }}
   {{- else if eq .type "sqlite" }}
-  SQLITE_DATABASE: {{ .name }}
+  SQLITE_DATABASE: {{ .name | b64enc }}
   {{- end }}
 {{- end }}
 {{- end }}
 {{- end }}
 {{- if .Values.redis.enabled }}
-  REDIS_HOST: {{ include "redis.servicename" . }}
-  REDIS_HOST_PORT: {{ .Values.redis.service.port | quote }}
+  REDIS_HOST: {{ (include "redis.servicename" .) | b64enc }}
+  REDIS_HOST_PORT: {{ (.Values.redis.service.port | toString) | b64enc }}
   {{- if .Values.redis.password }}
-  REDIS_HOST_PASSWORD: {{ .Values.redis.password | quote }}
-  {{- else }}
-  REDIS_HOST_PASSWORD: ""
+  REDIS_HOST_PASSWORD: {{ .Values.redis.password | b64enc }}
   {{- end }}
 {{- else }}
   {{- with .Values.externalCache }}
   {{- if .enabled }}
-  REDIS_HOST: {{ .host }}
-  REDIS_HOST_PORT: {{ .port | quote }}
+  REDIS_HOST: {{ .host | b64enc }}
+  REDIS_HOST_PORT: {{ (.port | toString) | b64enc }}
   {{- if .password }}
-  REDIS_HOST_PASSWORD: {{ .password | quote }}
-  {{- else }}
-  REDIS_HOST_PASSWORD: ""
+  REDIS_HOST_PASSWORD: {{ .password | b64enc }}
   {{- end }}
   {{- end }}
   {{- end }}
 {{- end }}
 {{- with .Values.settings.admin }}
   {{- if .name }}
-  NEXTCLOUD_ADMIN_USER: {{ .name }}
-  NEXTCLOUD_ADMIN_PASSWORD: {{ .password | default (randAlphaNum 10) }}
+  NEXTCLOUD_ADMIN_USER: {{ .name | b64enc }}
+  NEXTCLOUD_ADMIN_PASSWORD: {{ required "Values: settings.admin.password is mandatory if name is specified." .password | b64enc }}
   {{- end }}
 {{- end }}
 {{- with .Values.settings.smtp }}
   {{- if .enabled }}
-  SMTP_HOST: {{ .host }}
-  SMTP_PORT: {{ .port | quote }}
-  {{- if .secure }}
-  SMTP_SECURE: "ssl"
-  {{- end }}
-  SMTP_AUTHTYPE: {{ .authType }}
-  SMTP_NAME: {{ .name }}
-  SMTP_PASSWORD: {{ .password | quote }}
-  {{- if .from }}
-  MAIL_FROM_ADDRESS: {{ .from }}
-  {{- end }}
-  {{- if .domain }}
-  MAIL_DOMAIN: {{ .domain }}
-  {{- end }}
+  SMTP_NAME: {{ .name | b64enc }}
+  SMTP_PASSWORD: {{ .password | b64enc }}
   {{- end }}  
 {{- end }}
diff --git a/charts/nextcloud/values.yaml b/charts/nextcloud/values.yaml
index 55fe33b8c69a1ae5a983e024a56476a771e62ae4..7e5095b9e0424819bc54c5a0afc39abc180eea0a 100644
--- a/charts/nextcloud/values.yaml
+++ b/charts/nextcloud/values.yaml
@@ -18,6 +18,10 @@ imagePullSecrets: []
 nameOverride: ""
 fullnameOverride: ""
 
+## Pod deployment strategy
+strategy:
+  type: RollingUpdate
+
 ## Internal default cron jobs (cron.php)
 defaultCronJobs:
   - name: cronphp
@@ -112,6 +116,9 @@ resources: {}
 #   cpu: 100m
 #   memory: 128Mi
 
+## Custom liveness probe (overwrites default liveness probe)
+customLivenessProbe: {}
+
 ## Default liveness probe
 livenessProbe:
   enabled: true
@@ -121,6 +128,9 @@ livenessProbe:
   successThreshold: 1
   periodSeconds: 10
 
+## Custom startup probe (overwrites default startup probe)
+customStartupProbe: {}
+
 ## Default startup probe
 startupProbe:
   enabled: true
@@ -187,7 +197,7 @@ externalCache:
 
 ## Nextcloud specific configuration
 settings:
-  ## Enable update processing (Only necessary if custom command is use)
+  ## Enable update processing (Only necessary if custom command is used)
   update: false
 
   ## Maximum file upload size (default: 64M)