diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 28900b0..e771020 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -3,7 +3,7 @@ name: kz-scoring-api
 description: |
   Synchronous REST facade for Beeline-initiator PKB lookups via vaultee-pipelines.
 type: application
-version: 0.3.0
-appVersion: "0.1.2"
+version: 0.4.0
+appVersion: "0.4.1"
 maintainers:
   - name: Aggregion
diff --git a/chart/templates/deployment.yaml b/chart/templates/deployment.yaml
index edf87f1..3740486 100644
--- a/chart/templates/deployment.yaml
+++ b/chart/templates/deployment.yaml
@@ -29,6 +29,10 @@ spec:
       serviceAccountName: {{ include "kz-scoring-api.serviceAccountName" . }}
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.extraInitContainers }}
+      initContainers:
+        {{- tpl (toYaml .) $ | nindent 8 }}
+      {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           image: {{ include "kz-scoring-api.image" . }}
@@ -60,17 +64,27 @@ spec:
           {{- end }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
-          {{- if .Values.models.volume.enabled }}
+          {{- if or .Values.models.volume.enabled .Values.extraVolumeMounts }}
           volumeMounts:
+            {{- if .Values.models.volume.enabled }}
             - name: models
               mountPath: {{ .Values.models.volume.mountPath | quote }}
               readOnly: {{ .Values.models.volume.readOnly }}
+            {{- end }}
+            {{- with .Values.extraVolumeMounts }}
+            {{- toYaml . | nindent 12 }}
+            {{- end }}
           {{- end }}
-      {{- if .Values.models.volume.enabled }}
+      {{- if or .Values.models.volume.enabled .Values.extraVolumes }}
       volumes:
+        {{- if .Values.models.volume.enabled }}
         - name: models
           {{- $vol := omit .Values.models.volume "enabled" "mountPath" "readOnly" }}
           {{- toYaml $vol | nindent 10 }}
+        {{- end }}
+        {{- with .Values.extraVolumes }}
+        {{- tpl (toYaml .) $ | nindent 8 }}
+        {{- end }}
       {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
diff --git a/chart/values.yaml b/chart/values.yaml
index 1784581..c1331b2 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -127,3 +127,15 @@ models:
     #   secretName: kz-scoring-models
 
 extraEnv: []
+
+# Extra init containers rendered as-is into the pod spec. Values are Helm
+# template-evaluated (so you can reference `.Values` / `.Release` inside),
+# useful e.g. for pulling models from MinIO into an emptyDir shared with
+# ``models.volume``.
+extraInitContainers: []
+
+# Extra pod-level volumes appended to the deployment (template-evaluated).
+extraVolumes: []
+
+# Extra volume mounts appended to the main container.
+extraVolumeMounts: []