diff --git a/tomcat7/image.yaml b/tomcat7/image.yaml
index 8f13b7f..23c3c07 100644
--- a/tomcat7/image.yaml
+++ b/tomcat7/image.yaml
@@ -42,6 +42,12 @@ envs:
     - name: JWS_REALM_USERCRED_COL
     - name: JWS_REALM_USERROLE_TABLE
     - name: JWS_REALM_ROLENAME_COL
+    - name: "JWS_SERVLET_LISTINGS"
+      description: "Should directory listings be produced if there is no welcome file in this directory?  Default is false"
+      example: "true"
+    - name: "JWS_SERVLET_READONLY"
+      description: "Is this context read-only, so HTTP commands like PUT and DELETE are rejected?  Default is true"
+      example: "false"
     - name: DB_SERVICE_PREFIX_MAPPING
       example: test-postgresql=TEST_POSTGRESQL,test-mysql=TEST_MYSQL
     - name: AB_JOLOKIA_OFF
diff --git a/tomcat8/image.yaml b/tomcat8/image.yaml
index 158fe71..fb08b35 100644
--- a/tomcat8/image.yaml
+++ b/tomcat8/image.yaml
@@ -42,6 +42,12 @@ envs:
     - name: JWS_REALM_USERCRED_COL
     - name: JWS_REALM_USERROLE_TABLE
     - name: JWS_REALM_ROLENAME_COL
+    - name: "JWS_SERVLET_LISTINGS"
+      description: "Should directory listings be produced if there is no welcome file in this directory?  Default is false"
+      example: "true"
+    - name: "JWS_SERVLET_READONLY"
+      description: "Is this context read-only, so HTTP commands like PUT and DELETE are rejected?  Default is true"
+      example: "false"
     - name: DB_SERVICE_PREFIX_MAPPING
       example: test-postgresql=TEST_POSTGRESQL,test-mysql=TEST_MYSQL
     - name: AB_JOLOKIA_OFF