diff --git a/docker-compose_development.yml b/docker-compose_development.yml
index 0f4ae826..a22e9d86 100644
--- a/docker-compose_development.yml
+++ b/docker-compose_development.yml
@@ -51,6 +51,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -111,6 +114,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -176,6 +182,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -227,6 +236,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -286,6 +298,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -340,6 +355,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -428,6 +446,14 @@ volumes:
       device: ${DOCKER_MIGRID_ROOT}/mig
       o: bind
 
+  mig-server-extconfs:
+    # Volume used to contain the optional additional mig server config snippets
+    driver: local
+    driver_opts:
+      type: none
+      device: ${PERSISTENT_ROOT}/mig-server-extconfs
+      o: bind
+
   state:
     # Volume used to contain the migrid state (provided by migrid)
     driver: local
@@ -436,7 +462,7 @@ volumes:
       device: ${DOCKER_MIGRID_ROOT}/state
       o: bind
 
-  # NOTE: we don't bother setting up persistent data outside state here
+  # NOTE: we don't bother setting up other persistent data outside state here
 
   log:
     # Volume used to contain the mig state log folder shared by all containers
diff --git a/docker-compose_development_gdp.yml b/docker-compose_development_gdp.yml
index b31db883..17b1414e 100644
--- a/docker-compose_development_gdp.yml
+++ b/docker-compose_development_gdp.yml
@@ -51,6 +51,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -111,6 +114,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -180,6 +186,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -231,6 +240,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -290,6 +302,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -344,6 +359,9 @@ services:
       - type: volume
         source: mig
         target: /home/mig/mig
+      - type: volume
+        source: mig-server-extconfs
+        target: /home/mig/mig/server/MiGserver.d
       - type: volume
         source: certs
         target: /etc/httpd/MiG-certificates
@@ -432,6 +450,14 @@ volumes:
       device: ${DOCKER_MIGRID_ROOT}/mig
       o: bind
 
+  mig-server-extconfs:
+    # Volume used to contain the optional additional mig server config snippets
+    driver: local
+    driver_opts:
+      type: none
+      device: ${PERSISTENT_ROOT}/mig-server-extconfs
+      o: bind
+
   state:
     # Volume used to contain the migrid state (provided by migrid)
     driver: local
@@ -440,7 +466,7 @@ volumes:
       device: ${DOCKER_MIGRID_ROOT}/state
       o: bind
 
-  # NOTE: we don't bother setting up persistent data outside state here
+  # NOTE: we don't bother setting up other persistent data outside state here
 
   log:
     # Volume used to contain the mig state log folder shared by all containers