diff --git a/charts/vc-authn-oidc/templates/configmap.yaml b/charts/vc-authn-oidc/templates/configmap.yaml
index d5a691c9..8dcdcebd 100644
--- a/charts/vc-authn-oidc/templates/configmap.yaml
+++ b/charts/vc-authn-oidc/templates/configmap.yaml
@@ -1,8 +1,10 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: {{ include "global.fullname" . }}-session-timeout
+  name: {{ include "global.fullname" . }}-controller-config
   labels: {{- include "vc-authn-oidc.labels" . | nindent 4 }}
 data:
   sessiontimeout.json: |
     {{ .Values.controller.sessionTimeout.config | toJson }}
+  user_variable_substitution.py: |
+    {{ .Values.controller.userVariableSubsitution | nindent 4 }}
\ No newline at end of file
diff --git a/charts/vc-authn-oidc/templates/deployment.yaml b/charts/vc-authn-oidc/templates/deployment.yaml
index b49b0933..b34ac8f9 100644
--- a/charts/vc-authn-oidc/templates/deployment.yaml
+++ b/charts/vc-authn-oidc/templates/deployment.yaml
@@ -36,15 +36,9 @@ spec:
           secret:
             secretName: {{ include "vc-authn-oidc.token.secretName" . }}
             defaultMode: 256
-        - name: auth-session-ttl
+        - name: controller-config
           configMap:
-            name: {{ include "global.fullname" . }}-session-timeout
-        - name: custom-variable-substitution
-          configMap:
-            name:  {{ include "global.fullname" . }}-variable-substitution-config
-            items:
-              - key: user_variable_substitution.py
-                path: user_variable_substitution.py
+            name: {{ include "global.fullname" . }}-controller-config
       containers:
         - name: {{ .Chart.Name }}
           securityContext:
@@ -76,10 +70,10 @@ spec:
               value: {{ .Values.controller.cameraRedirectUrl }}
             - name: CONTROLLER_PRESENTATION_EXPIRE_TIME
               value: {{ .Values.controller.presentationExpireTime | quote }}
-            # - name: CONTROLLER_SESSION_TIMEOUT_CONFIG_FILE
-            #   value: /home/aries/sessiontimeout.json
+            - name: CONTROLLER_SESSION_TIMEOUT_CONFIG_FILE
+              value: /etc/controller-config/sessiontimeout.json
             - name: CONTROLLER_VARIABLE_SUBSTITUTION_OVERRIDE
-              value: /home/aries/user_variable_substitution.py
+              value: /etc/controller-config/user_variable_substitution.py
             - name: CONTROLLER_PRESENTATION_CLEANUP_TIME
               value: {{ .Values.controller.sessionTimeout.duration | quote }}
             - name: ACAPY_AGENT_URL
@@ -138,12 +132,8 @@ spec:
           volumeMounts:
             - name: jwt-token
               mountPath: /opt/token
-            - name: auth-session-ttl
-              mountPath: /home/aries/sessiontimeout.json
-              subPath: sessiontimeout.json
-            - name: custom-variable-substitution
-              mountPath: /home/aries/user_variable_substitution.py
-              subPath: user_variable_substitution.py
+            - name: controller-config
+              mountPath: /etc/controller-config
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
diff --git a/charts/vc-authn-oidc/values.yaml b/charts/vc-authn-oidc/values.yaml
index ad2c9bdc..e1ca252e 100644
--- a/charts/vc-authn-oidc/values.yaml
+++ b/charts/vc-authn-oidc/values.yaml
@@ -40,6 +40,7 @@ walletDeepLinkPrefix: bcwallet://aries_proof-request
 ## @param controller.presentationExpireTime The number of time in seconds a proof request will be valid for
 ## @param controller.sessionTimeout.duration The number of seconds an auth_sessions in the states defined in controllerSessionTimeoutConfig is kept for
 ## @param controller.sessionTimeout.config The json list of auth session states that are safe for deletion
+## @param controller.uservariablesubsitution The placeholder for the user variable substitution file that can be used to add substitution variables
 controller:
   cameraRedirectUrl: wallet_howto
   presentationExpireTime: 300
@@ -49,6 +50,20 @@ controller:
       - expired
       - failed
       - abandoned
+  userVariableSubsitution: |-
+    # This is a default placeholder Python file 
+    # Add any extensions to user variables here. Example below:
+
+    # def sub_days_plus_one(days: str) -> int:
+    # """Strings like '$sub_days_plus_one_4' will be replaced with the
+    # final number incremented by one. In this case 5.
+    # $sub_days_plus_one_4 -> 5
+    # $sub_days_plus_one_10 -> 11"""
+    # return int(days) + 1
+
+    # variable_substitution_map.add_variable_substitution(
+    #     r"\$sub_days_plus_one_(\d+)", sub_days_plus_one
+    # )
 ## @param useHTTPS Prepend Agent and Admin URLs with `https`
 useHTTPS: true
 ## @param logLevel Accepts one of the following values: CRITICAL, ERROR, WARNING, INFO, DEBUG
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index ac2d29bb..f875e1fb 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -45,8 +45,8 @@ services:
       - 5678:5678
     volumes:
       - ../oidc-controller:/app:rw
-      - ./oidc-controller/config/sessiontimeout.json:/home/aries/sessiontimeout.json
-      - ./oidc-controller/config/user_variable_substitution.py:/home/aries/user_variable_substitution.py
+      - ./oidc-controller/config/sessiontimeout.json:/etc/controller-config/sessiontimeout.json
+      - ./oidc-controller/config/user_variable_substitution.py:/etc/controller-config/user_variable_substitution.py
     networks:
       - vc_auth
 
diff --git a/docker/manage b/docker/manage
index 7157f855..a8472c20 100755
--- a/docker/manage
+++ b/docker/manage
@@ -177,10 +177,10 @@ configureEnvironment() {
   export CONTROLLER_PRESENTATION_CLEANUP_TIME=86400
 
   # The path to the auth_session timeouts config file
-  export CONTROLLER_SESSION_TIMEOUT_CONFIG_FILE="/home/aries/sessiontimeout.json"
+  export CONTROLLER_SESSION_TIMEOUT_CONFIG_FILE="/etc/controller-config/sessiontimeout.json"
 
   # Extend Variable Substitutions
-  export CONTROLLER_VARIABLE_SUBSTITUTION_OVERRIDE="/home/aries/user_variable_substitution.py"
+  export CONTROLLER_VARIABLE_SUBSTITUTION_OVERRIDE="/etc/controller-config/user_variable_substitution.py"
 
   #controller app settings
   export INVITATION_LABEL=${INVITATION_LABEL:-"VC-AuthN"}