diff --git a/components/schemas/images/Image.yml b/components/schemas/images/Image.yml
index c0737310..37eedf99 100644
--- a/components/schemas/images/Image.yml
+++ b/components/schemas/images/Image.yml
@@ -70,6 +70,9 @@ properties:
             description: Arguments to pass to the builder during a build of this image.
             additionalProperties:
               type: string
+          use_disk:
+            type: boolean
+            description: If true, will skip using /dev/shm when building an image on factory. Allows for building much larger images.
       - type: "null"
 
   builder:
diff --git a/components/schemas/infrastructure/external-volumes/ExternalVolumeOptions.yml b/components/schemas/infrastructure/external-volumes/ExternalVolumeOptions.yml
index 28266f2d..c67cda30 100644
--- a/components/schemas/infrastructure/external-volumes/ExternalVolumeOptions.yml
+++ b/components/schemas/infrastructure/external-volumes/ExternalVolumeOptions.yml
@@ -2,10 +2,9 @@ title: ExternalVolumeOptions
 type: object
 description: Configuration options controlling the behavior of the volume.
 required:
-  - read_only
+  - create
 properties:
-  read_only:
+  create:
     type: boolean
     description: >
-      When true, the volume is attached as read-only and cannot be modified by
-      the consuming resource.
+      If the volume doesn't exist, attempt to create it on container start.
diff --git a/platform/paths/images/images.yml b/platform/paths/images/images.yml
index 0498c4b6..e3640ebf 100644
--- a/platform/paths/images/images.yml
+++ b/platform/paths/images/images.yml
@@ -122,6 +122,9 @@ post:
                   description: An object holding key value build time arguments needed for the Image during build time.
                   additionalProperties:
                     type: string
+                use_disk:
+                  type: boolean
+                  description: If true, will skip using /dev/shm when building an image on factory. Allows for building much larger images.
             override:
               type: object
               description: An override object to be used for a single Image create request.
diff --git a/platform/paths/infrastructure/external-volumes/external-volume.yml b/platform/paths/infrastructure/external-volumes/external-volume.yml
index ff193d64..1fb3cabc 100644
--- a/platform/paths/infrastructure/external-volumes/external-volume.yml
+++ b/platform/paths/infrastructure/external-volumes/external-volume.yml
@@ -71,6 +71,8 @@ patch:
             identifier:
               description: The new identifier of the external volume.
               $ref: "../../../../components/schemas/Identifier.yml"
+            options:
+              $ref: ../../../../components/schemas/infrastructure/external-volumes/ExternalVolumeOptions.yml
             about:
               type: object
               properties: