diff --git a/charts/openproject/templates/secret_environment.yaml b/charts/openproject/templates/secret_environment.yaml
new file mode 100644
index 0000000..ab08a67
--- /dev/null
+++ b/charts/openproject/templates/secret_environment.yaml
@@ -0,0 +1,15 @@
+{{- if .Values.environment }}
+---
+apiVersion: "v1"
+kind: "Secret"
+metadata:
+  name: "{{ include "common.names.fullname" . }}-environment"
+  labels:
+    {{- include "common.labels.standard" . | nindent 4 }}
+stringData:
+  # Additional environment variables
+  {{- range $key, $value := .Values.environment }}
+  {{ $key }}: {{ $value | quote }}
+  {{- end }}
+...
+{{- end }}