diff --git a/charts/tractusx-connector-azure-vault/templates/deployment-controlplane.yaml b/charts/tractusx-connector-azure-vault/templates/deployment-controlplane.yaml
index d5d9d0300..1d1b565a5 100644
--- a/charts/tractusx-connector-azure-vault/templates/deployment-controlplane.yaml
+++ b/charts/tractusx-connector-azure-vault/templates/deployment-controlplane.yaml
@@ -182,7 +182,7 @@ spec:
             - name: "EDC_DATASOURCE_ASSET_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_ASSET_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/contract-definition-store-sql
             - name: "EDC_DATASOURCE_CONTRACTDEFINITION_NAME"
@@ -192,7 +192,7 @@ spec:
             - name: "EDC_DATASOURCE_CONTRACTDEFINITION_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_CONTRACTDEFINITION_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/contract-negotiation-store-sql
             - name: "EDC_DATASOURCE_CONTRACTNEGOTIATION_NAME"
@@ -202,7 +202,7 @@ spec:
             - name: "EDC_DATASOURCE_CONTRACTNEGOTIATION_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_CONTRACTNEGOTIATION_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/policy-store-sql
             - name: "EDC_DATASOURCE_POLICY_NAME"
@@ -212,7 +212,7 @@ spec:
             - name: "EDC_DATASOURCE_POLICY_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_POLICY_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/transfer-process-store-sql
             - name: "EDC_DATASOURCE_TRANSFERPROCESS_NAME"
@@ -222,7 +222,7 @@ spec:
             - name: "EDC_DATASOURCE_TRANSFERPROCESS_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_TRANSFERPROCESS_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-tractusx/tractusx-edc/tree/main/edc-extensions/edr-cache-sql
             - name: "EDC_DATASOURCE_EDR_NAME"
@@ -232,7 +232,7 @@ spec:
             - name: "EDC_DATASOURCE_EDR_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_EDR_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             ################
             ## DATA PLANE ##
diff --git a/charts/tractusx-connector-azure-vault/values.yaml b/charts/tractusx-connector-azure-vault/values.yaml
index 3a124ad81..14c2d32cf 100644
--- a/charts/tractusx-connector-azure-vault/values.yaml
+++ b/charts/tractusx-connector-azure-vault/values.yaml
@@ -495,8 +495,7 @@ dataplane:
     public: ""
 
 postgresql:
-  jdbcUrl: ""
-  fullnameOverride: "postgresql"
+  jdbcUrl: "jdbc:postgresql://{{ .Release.Name }}-postgresql:5432/edc"
   primary:
     persistence:
   enabled: false
diff --git a/charts/tractusx-connector/templates/deployment-controlplane.yaml b/charts/tractusx-connector/templates/deployment-controlplane.yaml
index 6229250ae..0fdd22442 100644
--- a/charts/tractusx-connector/templates/deployment-controlplane.yaml
+++ b/charts/tractusx-connector/templates/deployment-controlplane.yaml
@@ -182,7 +182,7 @@ spec:
             - name: "EDC_DATASOURCE_ASSET_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_ASSET_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/contract-definition-store-sql
             - name: "EDC_DATASOURCE_CONTRACTDEFINITION_NAME"
@@ -192,7 +192,7 @@ spec:
             - name: "EDC_DATASOURCE_CONTRACTDEFINITION_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_CONTRACTDEFINITION_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/contract-negotiation-store-sql
             - name: "EDC_DATASOURCE_CONTRACTNEGOTIATION_NAME"
@@ -202,7 +202,7 @@ spec:
             - name: "EDC_DATASOURCE_CONTRACTNEGOTIATION_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_CONTRACTNEGOTIATION_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/policy-store-sql
             - name: "EDC_DATASOURCE_POLICY_NAME"
@@ -212,7 +212,7 @@ spec:
             - name: "EDC_DATASOURCE_POLICY_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_POLICY_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-edc/Connector/tree/main/extensions/control-plane/store/sql/transfer-process-store-sql
             - name: "EDC_DATASOURCE_TRANSFERPROCESS_NAME"
@@ -222,7 +222,7 @@ spec:
             - name: "EDC_DATASOURCE_TRANSFERPROCESS_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_TRANSFERPROCESS_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             # see extension https://github.com/eclipse-tractusx/tractusx-edc/tree/main/edc-extensions/edr-cache-sql
             - name: "EDC_DATASOURCE_EDR_NAME"
@@ -232,7 +232,7 @@ spec:
             - name: "EDC_DATASOURCE_EDR_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_EDR_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             ################
             ## DATA PLANE ##
diff --git a/charts/tractusx-connector/templates/deployment-dataplane.yaml b/charts/tractusx-connector/templates/deployment-dataplane.yaml
index 9d7e9f50d..aeb2109e7 100644
--- a/charts/tractusx-connector/templates/deployment-dataplane.yaml
+++ b/charts/tractusx-connector/templates/deployment-dataplane.yaml
@@ -159,7 +159,7 @@ spec:
             - name: "EDC_DATASOURCE_EDR_PASSWORD"
               value: {{ .Values.postgresql.auth.password | required ".Values.postgresql.auth.password is required" | quote }}
             - name: "EDC_DATASOURCE_EDR_URL"
-              value: {{ .Values.postgresql.jdbcUrl | required ".Values.postgresql.jdbcUrl is required" | quote }}
+              value: {{ tpl .Values.postgresql.jdbcUrl . | quote }}
 
             ###########
             ## VAULT ##
diff --git a/charts/tractusx-connector/values.yaml b/charts/tractusx-connector/values.yaml
index a09fcde03..f5be53097 100644
--- a/charts/tractusx-connector/values.yaml
+++ b/charts/tractusx-connector/values.yaml
@@ -489,8 +489,7 @@ dataplane:
     # -- Explicitly declared url for reaching the public api (e.g. if ingresses not used)
     public: ""
 postgresql:
-  jdbcUrl: ""
-  fullnameOverride: "postgresql"
+  jdbcUrl: "jdbc:postgresql://{{ .Release.Name }}-postgresql:5432/edc"
   primary:
     persistence:
       enabled: false
diff --git a/edc-tests/deployment/src/main/resources/helm/tractusx-connector-test.yaml b/edc-tests/deployment/src/main/resources/helm/tractusx-connector-test.yaml
index 085db3869..a773d488a 100644
--- a/edc-tests/deployment/src/main/resources/helm/tractusx-connector-test.yaml
+++ b/edc-tests/deployment/src/main/resources/helm/tractusx-connector-test.yaml
@@ -56,7 +56,7 @@ dataplane:
       accessKeyId: qwerty123
 
 postgresql:
-  jdbcUrl: jdbc:postgresql://postgresql:5432/edc
+  jdbcUrl: jdbc:postgresql://{{ .Release.Name }}-postgresql:5432/edc
   auth:
     username: user
     password: password