diff --git a/docker/main/docker-build.yml b/docker/main/docker-build.yml
index afe0d8bee..bd9ccfa56 100644
--- a/docker/main/docker-build.yml
+++ b/docker/main/docker-build.yml
@@ -20,6 +20,7 @@ services:
       context: ./schedulerservice
       args:
         docker_internal_registry: ${DOCKER_INTERNAL_REGISTRY}
+        stack_name: ${STACK_PREFIX:-}
         comms_package_name: ${PYTHON_PACKAGE_DIST_NAME_COMMS:?}
         scheduler_package_dist_name: ${PYTHON_PACKAGE_DIST_NAME_SCHEDULER:?}
         scheduler_service_package_dist_name: ${PYTHON_PACKAGE_DIST_NAME_SCHEDULER_SERVICE:?}
@@ -66,6 +67,7 @@ services:
       context: ./requestservice
       args:
         docker_internal_registry: ${DOCKER_INTERNAL_REGISTRY}
+        stack_name: ${STACK_PREFIX:-}
         comms_package_name: ${PYTHON_PACKAGE_DIST_NAME_COMMS:?}
         access_package_name: ${PYTHON_PACKAGE_DIST_NAME_ACCESS:?}
         externalrequests_package_name: ${PYTHON_PACKAGE_DIST_NAME_EXTERNAL_REQUESTS:?}
@@ -76,6 +78,7 @@ services:
       context: ./subsetservice
       args:
         docker_internal_registry: ${DOCKER_INTERNAL_REGISTRY}
+        stack_name: ${STACK_PREFIX:-}
         comms_package_name: ${PYTHON_PACKAGE_DIST_NAME_COMMS:?}
         modeldata_package_name: ${PYTHON_PACKAGE_DIST_NAME_MODELDATA:?}
         subsetservice_package_name: ${PYTHON_PACKAGE_DIST_NAME_SUBSET_SERVICE:?}
diff --git a/docker/main/requestservice/Dockerfile b/docker/main/requestservice/Dockerfile
index 2dc761a1a..344b274c3 100644
--- a/docker/main/requestservice/Dockerfile
+++ b/docker/main/requestservice/Dockerfile
@@ -1,7 +1,8 @@
 # problem using the current registry (127.0.0.1:5000), apparently due to the ':'
 # which Docker thinks is an invalid --from value in the multi-stage copy step
 ARG docker_internal_registry
-FROM ${docker_internal_registry}/dmod-py-sources as sources
+ARG stack_name
+FROM ${docker_internal_registry}/${stack_name}_dmod-py-sources as sources
 
 FROM python:3.8-alpine
 ARG comms_package_name
diff --git a/docker/main/schedulerservice/Dockerfile b/docker/main/schedulerservice/Dockerfile
index d27d53af4..8e4157853 100644
--- a/docker/main/schedulerservice/Dockerfile
+++ b/docker/main/schedulerservice/Dockerfile
@@ -1,7 +1,8 @@
 # problem using the current registry (127.0.0.1:5000), apparently due to the ':'
 # which Docker thinks is an invalid --from value in the multi-stage copy step
 ARG docker_internal_registry
-FROM ${docker_internal_registry}/dmod-py-sources as sources
+ARG stack_name
+FROM ${docker_internal_registry}/${stack_name}_dmod-py-sources as sources
 
 FROM python:3.8-alpine
 ARG comms_package_name
diff --git a/docker/main/subsetservice/Dockerfile b/docker/main/subsetservice/Dockerfile
index 7a5376259..245dc524c 100644
--- a/docker/main/subsetservice/Dockerfile
+++ b/docker/main/subsetservice/Dockerfile
@@ -1,7 +1,8 @@
 # problem using the current registry (127.0.0.1:5000), apparently due to the ':'
 # which Docker thinks is an invalid --from value in the multi-stage copy step
 ARG docker_internal_registry
-FROM ${docker_internal_registry}/dmod-py-sources as sources
+ARG stack_name
+FROM ${docker_internal_registry}/${stack_name}_dmod-py-sources as sources
 
 # Need to use base, rather than -alpine, image variant, due to C++ lib
 # dependencies related to pandas when using the monitordata package.
diff --git a/docker/nwm_gui/app_server/Dockerfile b/docker/nwm_gui/app_server/Dockerfile
index 4687e7fc8..04c59e00f 100644
--- a/docker/nwm_gui/app_server/Dockerfile
+++ b/docker/nwm_gui/app_server/Dockerfile
@@ -2,7 +2,8 @@
 # problem using the current registry (127.0.0.1:5000), apparently due to the ':'
 # which Docker thinks is an invalid --from value in the multi-stage copy step
 ARG docker_internal_registry
-FROM ${docker_internal_registry}/dmod-py-sources as sources
+ARG stack_name
+FROM ${docker_internal_registry}/${stack_name}_dmod-py-sources as sources
 
 FROM python:3.8-slim
 # Slurp (or set default) wheel package name ...
diff --git a/docker/nwm_gui/docker-compose.yml b/docker/nwm_gui/docker-compose.yml
index 5c533f3b2..bd49be0d3 100644
--- a/docker/nwm_gui/docker-compose.yml
+++ b/docker/nwm_gui/docker-compose.yml
@@ -27,13 +27,14 @@ services:
   
   # Define a container belonging exclusively to our django application
   app_server:
-    image: maas-portal-development
+    image: ${STACK_PREFIX:-}_maas-portal-development
     build:
       context: ../..
       dockerfile: ./docker/nwm_gui/app_server/Dockerfile
       args:
         docker_internal_registry: ${DOCKER_INTERNAL_REGISTRY:?Missing DOCKER_INTERNAL_REGISTRY value (see 'Private Docker Registry ' section in example.env)}
         comms_package_name: ${PYTHON_PACKAGE_DIST_NAME_COMMS:?}
+        stack_name: ${STACK_PREFIX:-}
     networks:
       - request-listener-net
     # Call this when starting the container
@@ -52,7 +53,7 @@ services:
       - SQL_ENGINE=django.db.backends.postgresql
       - SQL_DATABASE=${DMOD_GUI_POSTGRES_DB:-dmod_dev}
       - SQL_USER=${DMOD_GUI_POSTGRES_USER:?}
-      - SQL_HOST=db
+      - SQL_HOST=${STACK_PREFIX:-}_nwm_gui_db
       - SQL_PORT=5432
       - DATABASE=postgres
       - DOCKER_SECRET_POSTGRES_PASS=postgres_password
diff --git a/docker/py-sources/docker-build.yml b/docker/py-sources/docker-build.yml
index 484a3a086..cee48a537 100644
--- a/docker/py-sources/docker-build.yml
+++ b/docker/py-sources/docker-build.yml
@@ -2,7 +2,7 @@ version: "3.7"
 
 services:
   py-sources:
-    image: ${DOCKER_INTERNAL_REGISTRY:?Missing DOCKER_INTERNAL_REGISTRY value (see 'Private Docker Registry ' section in example.env)}/dmod-py-sources
+    image: ${DOCKER_INTERNAL_REGISTRY:?Missing DOCKER_INTERNAL_REGISTRY value (see 'Private Docker Registry ' section in example.env)}/${STACK_PREFIX:-}_dmod-py-sources
     build:
       context: ../../
       dockerfile: ./docker/py-sources/py-sources.Dockerfile