diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2bb128a..e526a85 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,14 +1,12 @@
 version: 2
 defaults: &defaults
-    docker:
-      - image: circleci/node:15.5.1-stretch-browsers
+  docker:
+    - image: cimg/python:3.10.2
 install_dependency: &install_dependency
   name: Installation of build and deployment dependencies.
   command: |
-    sudo apt-get update
-    sudo apt install jq python3-pip
-    sudo pip3 install awscli --upgrade    
-    sudo pip3 install docker-compose
+    pip3 install awscli --upgrade
+    pip3 install docker-compose
 install_deploysuite: &install_deploysuite
   name: Installation of install_deploysuite.
   command: |
@@ -71,7 +69,6 @@ workflows:
             branches:
               only:
                 - develop
-                - dev-circleci
 
       # Production builds are exectuted only on tagged commits to the
       # master branch.
diff --git a/src/services/ProcessorService.js b/src/services/ProcessorService.js
index 4d8f525..9b79c75 100644
--- a/src/services/ProcessorService.js
+++ b/src/services/ProcessorService.js
@@ -63,6 +63,7 @@ processCreate.schema = {
     originator: Joi.string().required(),
     timestamp: Joi.date().required(),
     'mime-type': Joi.string().required(),
+    key: Joi.string().allow(null),
     payload: Joi.object().keys({
       id: Joi.id()
     }).required().unknown(true)
@@ -74,6 +75,7 @@ processUpdate.schema = {
     originator: Joi.string().required(),
     timestamp: Joi.date().required(),
     'mime-type': Joi.string().required(),
+    key: Joi.string().allow(null),
     payload: Joi.object().keys({
       id: Joi.id()
     }).required().unknown(true)