diff --git a/Dockerfile.centos7 b/Dockerfile.centos7
index c6ef455a..5d95712e 100755
--- a/Dockerfile.centos7
+++ b/Dockerfile.centos7
@@ -1408,6 +1408,10 @@ RUN if [ -n "${TRAC_ADMIN_PATH}" -a -z "${TRAC_INI_PATH}" ]; then \
         fi; \
     fi;
 
+# Copy in any external conf sections to supplement generated MiGserver.conf
+RUN mkdir -p $MIG_ROOT/mig/server/MiGserver.d
+COPY external-conf-sections/ $MIG_ROOT/mig/server/MiGserver.d/
+
 
 #------------------------- next stage -----------------------------#
 FROM --platform=linux/$ARCH install_mig AS setup_mig_configs
diff --git a/Dockerfile.rocky8 b/Dockerfile.rocky8
index 85c1ddf5..b684b6e0 100755
--- a/Dockerfile.rocky8
+++ b/Dockerfile.rocky8
@@ -1426,6 +1426,10 @@ RUN if [ -n "${TRAC_ADMIN_PATH}" -a -z "${TRAC_INI_PATH}" ]; then \
         fi; \
     fi;
 
+# Copy in any external conf sections to supplement generated MiGserver.conf
+RUN mkdir -p $MIG_ROOT/mig/server/MiGserver.d
+COPY external-conf-sections/ $MIG_ROOT/mig/server/MiGserver.d/
+
 
 #------------------------- next stage -----------------------------#
 FROM --platform=linux/$ARCH install_mig AS setup_mig_configs
diff --git a/Dockerfile.rocky9 b/Dockerfile.rocky9
index 2cd7333d..2930298d 100755
--- a/Dockerfile.rocky9
+++ b/Dockerfile.rocky9
@@ -1302,6 +1302,10 @@ RUN if [ -n "${TRAC_ADMIN_PATH}" -a -z "${TRAC_INI_PATH}" ]; then \
         fi; \
     fi;
 
+# Copy in any external conf sections to supplement generated MiGserver.conf
+RUN mkdir -p $MIG_ROOT/mig/server/MiGserver.d
+COPY external-conf-sections/ $MIG_ROOT/mig/server/MiGserver.d/
+
 
 #------------------------- next stage -----------------------------#
 FROM --platform=linux/$ARCH install_mig AS setup_mig_configs
diff --git a/Makefile b/Makefile
index 9c8b7e91..20b25efa 100755
--- a/Makefile
+++ b/Makefile
@@ -99,6 +99,7 @@ initdirs: initcomposevars
 	mkdir -p certs
 	mkdir -p httpd
 	mkdir -p mig
+	mkdir -p external-conf-sections
 	mkdir -p state
 	mkdir -p ${VOLATILE_ROOT}/mig_system_run
 	mkdir -p ${VOLATILE_ROOT}/openid_store
@@ -254,6 +255,7 @@ distclean: clean sitestateclean sitedataclean dockerclean dockervolumeclean
 	rm -fr ./external-certificates
 	# NOTE: certs remove in clean is conditional - always remove it here
 	rm -fr ./certs
+	rm -fr ./external-conf-sections
 	rm -f .env docker-compose.yml Dockerfile
 
 wipesitestatewarning: