diff --git a/rstudio/templates/deployment.yaml b/rstudio/templates/deployment.yaml
index 9cd3c5b..cbbf553 100644
--- a/rstudio/templates/deployment.yaml
+++ b/rstudio/templates/deployment.yaml
@@ -24,7 +24,12 @@ spec:
       initContainers:
         - name: {{ .Chart.Name }}-init-mounts
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
-          command: ['sh', '-c', {{ include "rstudio.init-container-commands" . | squote }}]
+          command: [
+            'sh', '-c',
+            '{{- if .Values.extraInitCommands -}}
+             {{- tpl .Values.extraInitCommands $ | nindent 13 }};
+             {{- end -}}
+             {{ include "rstudio.init-container-commands" . }}']
           volumeMounts:
             {{- range $entry := .Values.mutableConfigs }}
             {{ if $entry -}}
diff --git a/rstudio/values.yaml b/rstudio/values.yaml
index c17b147..9de6b65 100644
--- a/rstudio/values.yaml
+++ b/rstudio/values.yaml
@@ -96,3 +96,7 @@ useSecretConfigs: false
 #     subPath: ".rstudio/monitored/user-settings/"
 #     contents: |
 #      initialWorkingDirectory="/opt/project/shared-data"
+
+extraInitCommands: |
+#  cp -r /etc/skel /gvl/projects/current/
+#  /galaxy/server/extra/mapped/script.sh