From 119d2fa171307ed52cd7fb6fd0aca8492dd5d920 Mon Sep 17 00:00:00 2001
From: Tomek Cyran <tomasz.cyran@hypatos.ai>
Date: Mon, 6 Oct 2025 16:25:50 +0200
Subject: [PATCH 1/2] Adding support for imagePullSecrets, envFrom, and
 deployment strategy in Helm chart

---
 k8s-deploy/lightrag/Chart.yaml                |  2 +-
 k8s-deploy/lightrag/templates/deployment.yaml | 16 +++++++++++
 k8s-deploy/lightrag/values.yaml               | 28 +++++++++++++++++--
 3 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/k8s-deploy/lightrag/Chart.yaml b/k8s-deploy/lightrag/Chart.yaml
index 19d68d9b..8f6af573 100644
--- a/k8s-deploy/lightrag/Chart.yaml
+++ b/k8s-deploy/lightrag/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: lightrag
 description: A Helm chart for LightRAG, an efficient and lightweight RAG system
 type: application
-version: 0.1.0
+version: 0.1.1
 appVersion: "1.0.0"
 maintainers:
   - name: LightRAG Team
diff --git a/k8s-deploy/lightrag/templates/deployment.yaml b/k8s-deploy/lightrag/templates/deployment.yaml
index fe63c1ac..e261cf27 100644
--- a/k8s-deploy/lightrag/templates/deployment.yaml
+++ b/k8s-deploy/lightrag/templates/deployment.yaml
@@ -43,6 +43,19 @@ spec:
             - name: env-file
               mountPath: /app/.env
               subPath: .env
+          envFrom:
+          {{- range .Values.envFrom.secrets }}
+            - secretRef:
+                name: {{ .name }}
+          {{- end }}
+          {{- range .Values.envFrom.configmaps }}
+            - configMapRef:
+                name: {{ .name }}
+          {{- end }}
+      {{- with .Values.image.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       volumes:
         - name: env-file
           secret:
@@ -60,3 +73,6 @@ spec:
         - name: inputs
           emptyDir: {}
         {{- end }}
+
+  strategy:
+    {{- toYaml .Values.updateStrategy | nindent 4 }}
\ No newline at end of file
diff --git a/k8s-deploy/lightrag/values.yaml b/k8s-deploy/lightrag/values.yaml
index fb1bbe31..d8057d1e 100644
--- a/k8s-deploy/lightrag/values.yaml
+++ b/k8s-deploy/lightrag/values.yaml
@@ -3,6 +3,23 @@ replicaCount: 1
 image:
   repository: ghcr.io/hkuds/lightrag
   tag: latest
+  # Optionally specify imagePullSecrets if your image is in a private registry
+  # example:
+  # imagePullSecrets:
+  #   - name: my-registry-secret
+  imagePullSecrets: []
+
+# Specify a deployment strategy
+# example:
+# updateStrategy:
+#   type: RollingUpdate
+#   rollingUpdate:
+#     maxUnavailable: 25%
+#     maxSurge: 25%
+# Default for now should be Recreate as any RollingUpdate will cause issues with
+# multiple instances trying to access the same persistent storage if not using RWX volumes.
+updateStrategy:
+  type: Recreate
 
 service:
   type: ClusterIP
@@ -23,6 +40,13 @@ persistence:
   inputs:
     size: 5Gi
 
+# Allow specifying additional environment variables from ConfigMaps or Secrets created outside of this chart
+envFrom:
+  configmaps: []
+    # - name: my-shiny-configmap-1
+  secrets: []
+    # - name: my-shiny-secret-1
+
 env:
   HOST: 0.0.0.0
   PORT: 9621
@@ -38,8 +62,8 @@ env:
   EMBEDDING_BINDING_API_KEY:
   LIGHTRAG_KV_STORAGE: PGKVStorage
   LIGHTRAG_VECTOR_STORAGE: PGVectorStorage
-#  LIGHTRAG_KV_STORAGE: RedisKVStorage
-#  LIGHTRAG_VECTOR_STORAGE: QdrantVectorDBStorage
+  #  LIGHTRAG_KV_STORAGE: RedisKVStorage
+  #  LIGHTRAG_VECTOR_STORAGE: QdrantVectorDBStorage
   LIGHTRAG_GRAPH_STORAGE: Neo4JStorage
   LIGHTRAG_DOC_STATUS_STORAGE: PGDocStatusStorage
   # Replace with your POSTGRES credentials

From 648d7bb175cebfeed4c636922fdee43df37bd483 Mon Sep 17 00:00:00 2001
From: yangdx <gzdaniel@me.com>
Date: Fri, 10 Oct 2025 15:31:35 +0800
Subject: [PATCH 2/2] Refactor Helm template to handle optional envFrom values
 safely
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

• Add null checks for envFrom fields
• Support both secrets and configmaps
• Build envFrom list dynamically
• Only render envFrom when entries exist
• Fix template indentation issues
---
 k8s-deploy/lightrag/templates/deployment.yaml | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/k8s-deploy/lightrag/templates/deployment.yaml b/k8s-deploy/lightrag/templates/deployment.yaml
index e261cf27..d8dcfc34 100644
--- a/k8s-deploy/lightrag/templates/deployment.yaml
+++ b/k8s-deploy/lightrag/templates/deployment.yaml
@@ -43,14 +43,17 @@ spec:
             - name: env-file
               mountPath: /app/.env
               subPath: .env
-          envFrom:
-          {{- range .Values.envFrom.secrets }}
-            - secretRef:
-                name: {{ .name }}
+          {{- $envFrom := default (dict) .Values.envFrom }}
+          {{- $envFromEntries := list }}
+          {{- range (default (list) (index $envFrom "secrets")) }}
+          {{- $envFromEntries = append $envFromEntries (dict "secretRef" (dict "name" .name)) }}
           {{- end }}
-          {{- range .Values.envFrom.configmaps }}
-            - configMapRef:
-                name: {{ .name }}
+          {{- range (default (list) (index $envFrom "configmaps")) }}
+          {{- $envFromEntries = append $envFromEntries (dict "configMapRef" (dict "name" .name)) }}
+          {{- end }}
+          {{- if gt (len $envFromEntries) 0 }}
+          envFrom:
+{{- toYaml $envFromEntries | nindent 12 }}
           {{- end }}
       {{- with .Values.image.imagePullSecrets }}
       imagePullSecrets:
@@ -75,4 +78,4 @@ spec:
         {{- end }}
 
   strategy:
-    {{- toYaml .Values.updateStrategy | nindent 4 }}
\ No newline at end of file
+    {{- toYaml .Values.updateStrategy | nindent 4 }}