diff --git a/install/kubernetes/github-actions-cache-server/templates/deployment.yaml b/install/kubernetes/github-actions-cache-server/templates/deployment.yaml
index 2e4862c..de2c0e7 100644
--- a/install/kubernetes/github-actions-cache-server/templates/deployment.yaml
+++ b/install/kubernetes/github-actions-cache-server/templates/deployment.yaml
@@ -36,6 +36,10 @@ spec:
       serviceAccountName: {{ include "github-actions-cache-server.serviceAccountName" . }}
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.initContainers }}
+      initContainers:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           securityContext:
@@ -67,6 +71,9 @@ spec:
           {{- with .Values.env }}
             {{- toYaml . | nindent 12 }}
           {{- end }}
+        {{- with .Values.sidecars }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
       volumes:
         - name: tmp
       {{- toYaml .Values.tmpVolume | nindent 10 }}
diff --git a/install/kubernetes/github-actions-cache-server/values.yaml b/install/kubernetes/github-actions-cache-server/values.yaml
index e2c0af0..acc45f8 100644
--- a/install/kubernetes/github-actions-cache-server/values.yaml
+++ b/install/kubernetes/github-actions-cache-server/values.yaml
@@ -128,3 +128,10 @@ apiBaseUrl: ''
 env:
   - name: DEBUG
     value: 'false'
+
+# Additional containers to run as sidecars alongside the main cache server container
+sidecars: []
+
+# Init containers to run before the main cache server container starts
+initContainers: []
+