diff --git a/overleaf-helm-chart/templates/configmap-mongo-init.yaml b/overleaf-helm-chart/templates/configmap-mongo-init.yaml
new file mode 100644
index 0000000..18f3485
--- /dev/null
+++ b/overleaf-helm-chart/templates/configmap-mongo-init.yaml
@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mongo-init-script
+  namespace: overleaf
+data:
+  mongodb-init.js: |
+    rs.initiate({ _id: 'overleaf', members: [{ _id: 0, host: 'mongo:27017' }] })
\ No newline at end of file
diff --git a/overleaf-helm-chart/templates/deployment-mongo.yaml b/overleaf-helm-chart/templates/deployment-mongo.yaml
index 2e0ad94..1fe2b4b 100644
--- a/overleaf-helm-chart/templates/deployment-mongo.yaml
+++ b/overleaf-helm-chart/templates/deployment-mongo.yaml
@@ -12,12 +12,18 @@ spec:
       labels:
         app: mongo
     spec:
+      hostAliases:
+        - ip: "127.0.0.1"
+          hostnames:
+            - "mongo"
       securityContext:
         runAsUser: 1001
         fsGroup: 0
       containers:
         - name: mongo
           image: {{ .Values.mongo.image }}
+          command: ["mongod"]
+          args: ["--replSet", "{{ .Values.mongo.replSet }}"]
           ports:
             - containerPort: {{ .Values.mongo.port }}
           env:
@@ -36,6 +42,9 @@ spec:
           volumeMounts:
             - name: mongo-data
               mountPath: {{ .Values.mongo.volumeMounts.db }}
+            - name: mongo-init
+              mountPath: /docker-entrypoint-initdb.d/mongo-init.js
+              subPath: mongo-init.js
           resources:
             requests:
               cpu: {{ .Values.resources.mongo.requests.cpu }}
@@ -46,4 +55,7 @@ spec:
       volumes:
         - name: mongo-data
           persistentVolumeClaim:
-            claimName: {{ .Values.persistence.mongoData }}
\ No newline at end of file
+            claimName: {{ .Values.persistence.mongoData }}
+        - name: mongo-init
+          configMap:
+            name: mongo-init-script
\ No newline at end of file
diff --git a/overleaf-helm-chart/templates/deployment-sharelatex.yaml b/overleaf-helm-chart/templates/deployment-sharelatex.yaml
index ed1115b..c910397 100644
--- a/overleaf-helm-chart/templates/deployment-sharelatex.yaml
+++ b/overleaf-helm-chart/templates/deployment-sharelatex.yaml
@@ -23,7 +23,7 @@ spec:
             - name: OVERLEAF_SITE_LANGUAGE
               value: {{ .Values.overleaf.siteLanguage | quote }}
             - name: OVERLEAF_MONGO_URL
-              value: 'mongodb://{{ .Values.mongo.rootUser }}:{{ .Values.mongo.rootPassword }}@mongo:27017/{{ .Values.mongo.initDb }}?replicaSet={{ .Values.mongo.replSet }}'
+              value: 'mongodb://{{ .Values.mongo.rootUser | quote }}:{{ .Values.mongo.rootPassword | quote }}@{{ .Values.mongo.host | quote }}:{{ .Values.mongo.port }}/{{ .Values.mongo.initDb | quote }}?authSource=admin&replicaSet={{ .Values.mongo.replSet | quote }}'
             - name: OVERLEAF_REDIS_HOST
               value: redis
             - name: REDIS_HOST
diff --git a/overleaf-helm-chart/templates/ingress.yaml b/overleaf-helm-chart/templates/ingress.yaml
index ef95100..32ae062 100644
--- a/overleaf-helm-chart/templates/ingress.yaml
+++ b/overleaf-helm-chart/templates/ingress.yaml
@@ -3,11 +3,7 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: overleaf-ingress
-  annotations:
-    kubernetes.io/ingress.class: "traefik"
-    cert-manager.io/cluster-issuer: "{{ .Values.ingress.certManagerIssuer }}"
-    # Traefik spezifisch: Enable HTTPS redirect (optional)
-    traefik.ingress.kubernetes.io/redirect-entry-point: websecure
+  namespace: {{ .Release.Namespace }}
 spec:
   tls:
     - hosts:
@@ -18,7 +14,7 @@ spec:
       http:
         paths:
           - path: /
-            pathType: Prefix
+            pathType: ImplementationSpecific
             backend:
               service:
                 name: overleaf
diff --git a/overleaf-helm-chart/templates/service-mongo.yaml b/overleaf-helm-chart/templates/service-mongo.yaml
index f7d32b3..6a3beff 100644
--- a/overleaf-helm-chart/templates/service-mongo.yaml
+++ b/overleaf-helm-chart/templates/service-mongo.yaml
@@ -2,9 +2,18 @@ apiVersion: v1
 kind: Service
 metadata:
   name: mongo
+  namespace: {{ .Values.namespace }}
+  labels:
+    app: mongo
+    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
 spec:
+  type: ClusterIP
   ports:
     - port: {{ .Values.mongo.port }}
       targetPort: {{ .Values.mongo.port }}
+      protocol: TCP
+      name: mongo
   selector:
     app: mongo
diff --git a/overleaf-helm-chart/templates/service-redis.yaml b/overleaf-helm-chart/templates/service-redis.yaml
index 07027cb..969e4c9 100644
--- a/overleaf-helm-chart/templates/service-redis.yaml
+++ b/overleaf-helm-chart/templates/service-redis.yaml
@@ -3,6 +3,7 @@ kind: Service
 metadata:
   name: redis
 spec:
+  type: ClusterIP
   ports:
     - port: {{ .Values.redis.port }}
       targetPort: {{ .Values.redis.port }}
diff --git a/overleaf-helm-chart/templates/service-sharelatex.yaml b/overleaf-helm-chart/templates/service-sharelatex.yaml
index 7ce9bb2..2c20732 100644
--- a/overleaf-helm-chart/templates/service-sharelatex.yaml
+++ b/overleaf-helm-chart/templates/service-sharelatex.yaml
@@ -7,5 +7,6 @@ spec:
   ports:
     - port: 80
       targetPort: {{ .Values.overleaf.port }}
+      protocol: TCP
   selector:
     app: overleaf
diff --git a/overleaf-helm-chart/values.yaml b/overleaf-helm-chart/values.yaml
index 0bb9338..a4d3212 100644
--- a/overleaf-helm-chart/values.yaml
+++ b/overleaf-helm-chart/values.yaml
@@ -23,6 +23,7 @@ mongo:
   port: 27017
   replSet: overleaf
   initDb: overleaf
+  host: mongo
   volumeMounts:
     db: /data/db
   rootUser: root