diff --git a/catalog-info.yaml b/catalog-info.yaml
index ad65a96..b2af372 100644
--- a/catalog-info.yaml
+++ b/catalog-info.yaml
@@ -15,7 +15,7 @@ metadata:
     helm.cnoe.io/chart-path: "helm/schedulerservice"
     helm.cnoe.io/values-file: "values-local.yaml"
     helm.cnoe.io/available-values-files: '["values.yaml", "values-local.yaml"]'
-    helm.cnoe.io/dependencies: '{"mysql": {"name": "MySQL Database", "required": false, "default": true, "externalParams": [{"param": "externalDatabase.host", "label": "Database Host", "placeholder": "mysql.example.com"}, {"param": "externalDatabase.port", "label": "Database Port", "placeholder": "3306"}, {"param": "externalDatabase.database", "label": "Database Name", "placeholder": "os_scheduling_db"}, {"param": "externalDatabase.username", "label": "Username", "placeholder": "scheduler_user"}, {"param": "externalDatabase.password", "label": "Password", "placeholder": "", "secret": true}]}}'
+    helm.cnoe.io/dependencies: '{"scheduling-mysql": {"name": "Scheduling MySQL Database", "required": true, "default": false, "shared": true, "sharedKey": "os-scheduling-db", "externalParams": [{"param": "externalDatabase.host", "label": "Database Host", "placeholder": "scheduling-mysql"}, {"param": "externalDatabase.port", "label": "Database Port", "placeholder": "3306"}, {"param": "externalDatabase.database", "label": "Database Name", "placeholder": "os_scheduling_db"}, {"param": "externalDatabase.username", "label": "Username", "placeholder": "scheduler_user"}, {"param": "externalDatabase.password", "label": "Password", "placeholder": "", "secret": true}]}}'
     helm.cnoe.io/dependency-urls: '{}'
   tags:
     - java
diff --git a/helm/schedulerservice/Chart.lock b/helm/schedulerservice/Chart.lock
deleted file mode 100644
index 8b01dff..0000000
--- a/helm/schedulerservice/Chart.lock
+++ /dev/null
@@ -1,6 +0,0 @@
-dependencies:
-- name: mysql
-  repository: https://helm.wso2.com
-  version: 1.6.9
-digest: sha256:bdbd774f845f1f0f4b7346e75b80f6c2e244cf92cf9feacf3d4807f8e50f9bce
-generated: "2026-01-29T10:58:50.337803+05:30"
diff --git a/helm/schedulerservice/Chart.yaml b/helm/schedulerservice/Chart.yaml
index cd9a1b4..2461cf8 100644
--- a/helm/schedulerservice/Chart.yaml
+++ b/helm/schedulerservice/Chart.yaml
@@ -16,8 +16,5 @@ maintainers:
 home: https://github.com/onlinesales-ai/schedulerService
 sources:
   - https://github.com/onlinesales-ai/schedulerService
-dependencies:
-  - name: mysql
-    version: 1.6.9
-    repository: https://helm.wso2.com
-    condition: mysql.enabled
+# MySQL is deployed as a shared dependency, not as a subchart
+# Configure externalDatabase values to connect to the shared MySQL instance
diff --git a/helm/schedulerservice/charts/mysql-1.6.9.tgz b/helm/schedulerservice/charts/mysql-1.6.9.tgz
deleted file mode 100644
index d23e4bc..0000000
Binary files a/helm/schedulerservice/charts/mysql-1.6.9.tgz and /dev/null differ
diff --git a/helm/schedulerservice/templates/deployment.yaml b/helm/schedulerservice/templates/deployment.yaml
index a77f77d..f5907a0 100644
--- a/helm/schedulerservice/templates/deployment.yaml
+++ b/helm/schedulerservice/templates/deployment.yaml
@@ -54,20 +54,34 @@ spec:
           {{- end }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
-          {{- if .Values.config.enabled }}
+          {{- if or .Values.config.enabled .Values.externalDatabase.host }}
           volumeMounts:
+            {{- if .Values.config.enabled }}
             - name: config
               mountPath: {{ .Values.config.mountPath }}
+            {{- end }}
+            {{- if .Values.externalDatabase.host }}
+            - name: db-config
+              mountPath: /etc/onlinesales/db
+              readOnly: true
+            {{- end }}
           {{- end }}
           {{- with .Values.env }}
           env:
             {{- toYaml . | nindent 12 }}
           {{- end }}
-      {{- if .Values.config.enabled }}
+      {{- if or .Values.config.enabled .Values.externalDatabase.host }}
       volumes:
+        {{- if .Values.config.enabled }}
         - name: config
           configMap:
             name: {{ include "schedulerservice.fullname" . }}-config
+        {{- end }}
+        {{- if .Values.externalDatabase.host }}
+        - name: db-config
+          secret:
+            secretName: {{ include "schedulerservice.fullname" . }}-db-config
+        {{- end }}
       {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
diff --git a/helm/schedulerservice/templates/secret-db.yaml b/helm/schedulerservice/templates/secret-db.yaml
new file mode 100644
index 0000000..af70bb6
--- /dev/null
+++ b/helm/schedulerservice/templates/secret-db.yaml
@@ -0,0 +1,31 @@
+{{- if .Values.externalDatabase.host }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "schedulerservice.fullname" . }}-db-config
+  labels:
+    {{- include "schedulerservice.labels" . | nindent 4 }}
+type: Opaque
+stringData:
+  hibernate.cfg.xml: |
+    <?xml version="1.0" encoding="utf-8" ?>
+    <!DOCTYPE hibernate-configuration PUBLIC
+              "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
+              "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
+    <hibernate-configuration>
+        <session-factory>
+            <property name="connection.driver_class">com.mysql.cj.jdbc.Driver</property>
+            <property name="connection.url">jdbc:mysql://{{ .Values.externalDatabase.host }}:{{ .Values.externalDatabase.port }}/{{ .Values.externalDatabase.database }}?useUnicode=true&amp;characterEncoding=utf8</property>
+            <property name="connection.username">{{ .Values.externalDatabase.username }}</property>
+            <property name="connection.password">{{ .Values.externalDatabase.password }}</property>
+            <property name="connection.pool_size">1</property>
+            <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
+            <property name="current_session_context_class">thread</property>
+            <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
+            <property name="show_sql">false</property>
+            <!-- Transaction isolation 2 = READ_COMMITTED -->
+            <property name="connection.isolation">2</property>
+            <property name="connection.autocommit">true</property>
+        </session-factory>
+    </hibernate-configuration>
+{{- end }}
diff --git a/helm/schedulerservice/values-local.yaml b/helm/schedulerservice/values-local.yaml
index ba20fc3..74fcaf7 100644
--- a/helm/schedulerservice/values-local.yaml
+++ b/helm/schedulerservice/values-local.yaml
@@ -101,24 +101,12 @@ env:
   - name: LOG_LEVEL
     value: "DEBUG"
 
-# MySQL enabled for local development
-mysql:
-  enabled: true
-  image: "mysql"
-  imageTag: "8.0"
-  mysqlRootPassword: "rootpassword"
-  mysqlUser: "scheduler_user"
-  mysqlPassword: "localpassword"
-  mysqlDatabase: "os_scheduling_db"
-  fullnameOverride: "schedulerservice-mysql"
-  persistence:
-    enabled: false
-  resources: {}
-  podLabels:
-    backstage.io/kubernetes-id: "schedulerservice"
-  configurationFiles:
-    mysql.cnf: |-
-      [mysqld]
-      max_connections=200
-      character-set-server=utf8mb4
-      collation-server=utf8mb4_unicode_ci
+# External Database configuration for local development
+# MySQL is deployed as a shared dependency (scheduling-mysql)
+# The shared MySQL service is deployed separately and shared with osSchedulesArgoSyncer
+externalDatabase:
+  host: "scheduling-mysql"
+  port: "3306"
+  database: "os_scheduling_db"
+  username: "scheduler_user"
+  password: "localpassword"
diff --git a/helm/schedulerservice/values.yaml b/helm/schedulerservice/values.yaml
index feef9aa..9170eff 100644
--- a/helm/schedulerservice/values.yaml
+++ b/helm/schedulerservice/values.yaml
@@ -130,11 +130,9 @@ config:
 
 env: []
 
-# MySQL subchart disabled for production (use external DB)
-mysql:
-  enabled: false
-
-# External Database configuration (used when mysql.enabled=false)
+# External Database configuration
+# MySQL is deployed as a shared dependency (not a subchart)
+# Set externalDatabase.host to connect to the shared MySQL instance
 externalDatabase:
   host: ""
   port: "3306"