diff --git a/apk/vmmgr b/apk/vmmgr
index 7c25d22..2d3890f 160000
--- a/apk/vmmgr
+++ b/apk/vmmgr
@@ -1 +1 @@
-Subproject commit 7c25d22d4146033cfb1e0775d06912b5c8f77e73
+Subproject commit 2d3890fd51bdaedb09c3d3742e7a58545f370244
diff --git a/build/usr/lib/python3.6/lxcbuild/imagebuilder.py b/build/usr/lib/python3.6/lxcbuild/imagebuilder.py
index 8d5300b..eba6b29 100644
--- a/build/usr/lib/python3.6/lxcbuild/imagebuilder.py
+++ b/build/usr/lib/python3.6/lxcbuild/imagebuilder.py
@@ -5,7 +5,6 @@ import shutil
 import subprocess
 import sys
 
-from enum import Enum
 from lxcmgr import lxcmgr
 from lxcmgr.paths import LXC_STORAGE_DIR
 from lxcmgr.pkgmgr import PkgMgr
@@ -16,7 +15,7 @@ class ImageExistsError(Exception):
 class ImageNotFoundError(Exception):
     pass
 
-class BuildType(Enum):
+class BuildType:
     NORMAL = 1
     FORCE = 2
     SCRATCH = 3
diff --git a/lxc-apps/mifosx/lxc/etc/services.d/.s6-svscan/finish b/lxc-apps/mifosx/lxc/etc/services.d/.s6-svscan/finish
index a78e381..8f35248 100755
--- a/lxc-apps/mifosx/lxc/etc/services.d/.s6-svscan/finish
+++ b/lxc-apps/mifosx/lxc/etc/services.d/.s6-svscan/finish
@@ -1,3 +1,3 @@
 #!/bin/execlineb -P
 
-foreground { s6-svwait -d -t 3000 mifosx }
+foreground { s6-svwait -d -t 3000 tomcat }
diff --git a/lxc-apps/mifosx/lxc/etc/services.d/mifosx/run b/lxc-apps/mifosx/lxc/etc/services.d/tomcat/run
similarity index 76%
rename from lxc-apps/mifosx/lxc/etc/services.d/mifosx/run
rename to lxc-apps/mifosx/lxc/etc/services.d/tomcat/run
index 62728af..35cee30 100755
--- a/lxc-apps/mifosx/lxc/etc/services.d/mifosx/run
+++ b/lxc-apps/mifosx/lxc/etc/services.d/tomcat/run
@@ -2,5 +2,5 @@
 
 cd /srv/tomcat
 fdmove -c 2 1
-s6-setuidgid mifosx
+s6-setuidgid tomcat
 catalina.sh run
diff --git a/lxc-apps/mifosx/lxcfile b/lxc-apps/mifosx/lxcfile
index ed41b0d..4923bbb 100644
--- a/lxc-apps/mifosx/lxcfile
+++ b/lxc-apps/mifosx/lxcfile
@@ -16,11 +16,6 @@ RUN EOF
     # Download Java library dependencies
     wget http://central.maven.org/maven2/org/drizzle/jdbc/drizzle-jdbc/1.4/drizzle-jdbc-1.4.jar -O /srv/tomcat/lib/drizzle-jdbc-1.4.jar
 
-    # Create OS user
-    addgroup -S -g 8080 mifosx
-    adduser -S -u 8080 -h /srv/tomcat -s /bin/false -g mifosx -G mifosx mifosx
-    chown -R mifosx:mifosx /srv/tomcat/conf /srv/tomcat/logs /srv/tomcat/temp /srv/tomcat/webapps /srv/tomcat/work
-
     # Cleanup
     apk --no-cache del wget
     rm -rf /tmp/fineractplatform-18.03.01.RELEASE /tmp/mifosx.zip
@@ -35,6 +30,9 @@ RUN EOF
     cd /srv/tomcat/webapps/ROOT/scripts/
     patch -p0 </tmp/locale-cs.patch
     rm /tmp/locale-cs.patch
+
+    # Change webapps ownership
+    chown -R tomcat:tomcat /srv/tomcat/webapps
 EOF
 
 CMD s6-svscan /etc/services.d
diff --git a/lxc-apps/motech/lxcfile b/lxc-apps/motech/lxcfile
index 73933d2..fba770c 100644
--- a/lxc-apps/motech/lxcfile
+++ b/lxc-apps/motech/lxcfile
@@ -12,10 +12,8 @@ RUN EOF
     wget https://jdbc.postgresql.org/download/postgresql-42.2.5.jar -O /srv/tomcat/webapps/ROOT/WEB-INF/lib/postgresql-42.2.5.jar
     cp /srv/tomcat/webapps/ROOT/WEB-INF/lib/postgresql-42.2.5.jar /srv/tomcat/webapps/ROOT/WEB-INF/bundles/postgresql-42.2.5.jar
 
-    # Create OS user
-    addgroup -S -g 8080 motech
-    adduser -S -u 8080 -h /srv/tomcat -s /bin/false -g motech -G motech motech
-    chown -R motech:motech /srv/tomcat/conf /srv/tomcat/logs /srv/tomcat/temp /srv/tomcat/webapps /srv/tomcat/work
+    # Change webapps ownership
+    chown -R tomcat:tomcat /srv/tomcat/webapps
 
     # Cleanup
     rm -f /tmp/motech.war
diff --git a/lxc-apps/opendatakit/opendatakit.lxcfile b/lxc-apps/opendatakit/opendatakit.lxcfile
index bd4b181..5802ff0 100644
--- a/lxc-apps/opendatakit/opendatakit.lxcfile
+++ b/lxc-apps/opendatakit/opendatakit.lxcfile
@@ -11,10 +11,8 @@ RUN EOF
     rm /srv/tomcat/webapps/ROOT/WEB-INF/lib/postgresql-42.1.4.jre7.jar
     wget https://jdbc.postgresql.org/download/postgresql-42.2.5.jar -O /srv/tomcat/webapps/ROOT/WEB-INF/lib/postgresql-42.2.5.jar
 
-    # Create OS user
-    addgroup -S -g 8080 odk
-    adduser -S -u 8080 -h /srv/tomcat -s /bin/false -g odk -G odk odk
-    chown -R odk:odk /srv/tomcat/conf /srv/tomcat/logs /srv/tomcat/temp /srv/tomcat/webapps /srv/tomcat/work
+    # Change webapps ownership
+    chown -R tomcat:tomcat /srv/tomcat/webapps
 
     # Cleanup
     rm /tmp/odk.war
diff --git a/lxc-apps/sigmah/lxcfile b/lxc-apps/sigmah/lxcfile
index f581169..2cff2d0 100644
--- a/lxc-apps/sigmah/lxcfile
+++ b/lxc-apps/sigmah/lxcfile
@@ -14,10 +14,8 @@ RUN EOF
     # Remove logging config
     rm /srv/tomcat/webapps/sigmah/WEB-INF/classes/logback.xml
 
-    # Create OS user
-    addgroup -S -g 8080 sigmah
-    adduser -S -u 8080 -h /srv/tomcat -s /bin/false -g sigmah -G sigmah sigmah
-    chown -R sigmah:sigmah /srv/tomcat/conf /srv/tomcat/logs /srv/tomcat/temp /srv/tomcat/webapps /srv/tomcat/work
+    # Change webapps ownership
+    chown -R tomcat:tomcat /srv/tomcat/webapps
 
     # Download database files
     wget https://github.com/sigmah-dev/sigmah/releases/download/v2.0.2/sigmah-MinimumDataKit-2.0.postgresql.sql -O /srv/sigmah-MinimumDataKit.sql
diff --git a/lxc-shared/alpine3.9-tomcat7/lxcfile b/lxc-shared/alpine3.9-tomcat7/lxcfile
index b07e933..fc9aa98 100644
--- a/lxc-shared/alpine3.9-tomcat7/lxcfile
+++ b/lxc-shared/alpine3.9-tomcat7/lxcfile
@@ -12,10 +12,16 @@ RUN EOF
     # Cleanup
     rm -f /srv/tomcat/bin/tomcat-native.tar.gz
     rm -f /srv/tomcat/temp/safeToDelete.tmp
-    rm -rf /srv/tomcat/webapps
-    mkdir /srv/tomcat/webapps
+    rm -rf /srv/tomcat/webapps/*
 EOF
 
 COPY lxc
 
-RUN catalina.sh run
+RUN EOF
+    # Create OS user
+    addgroup -S -g 8080 tomcat
+    adduser -S -u 8080 -h /srv/tomcat -s /bin/false -g tomcat -G tomcat tomcat
+    chown -R tomcat:tomcat /srv/tomcat/conf /srv/tomcat/logs /srv/tomcat/temp /srv/tomcat/webapps /srv/tomcat/work
+EOF
+
+CMD catalina.sh run
diff --git a/lxc-shared/alpine3.9-tomcat8.5/lxcfile b/lxc-shared/alpine3.9-tomcat8.5/lxcfile
index 757cc45..37f7203 100644
--- a/lxc-shared/alpine3.9-tomcat8.5/lxcfile
+++ b/lxc-shared/alpine3.9-tomcat8.5/lxcfile
@@ -12,10 +12,9 @@ RUN EOF
     # Cleanup
     rm -f /srv/tomcat/bin/tomcat-native.tar.gz
     rm -f /srv/tomcat/temp/safeToDelete.tmp
-    rm -rf /srv/tomcat/webapps
-    mkdir /srv/tomcat/webapps
+    rm -rf /srv/tomcat/webapps/*
 
-    # Change permission
+    # Change permissions
     find /srv/tomcat -type d -exec chmod 755 {} +
     find /srv/tomcat -type f -not -path '/srv/tomcat/conf/*' -exec chmod 644 {} +
     chmod 755 /srv/tomcat/bin/*.sh
@@ -23,4 +22,11 @@ EOF
 
 COPY lxc
 
-RUN catalina.sh run
+RUN EOF
+    # Create OS user
+    addgroup -S -g 8080 tomcat
+    adduser -S -u 8080 -h /srv/tomcat -s /bin/false -g tomcat -G tomcat tomcat
+    chown -R tomcat:tomcat /srv/tomcat/conf /srv/tomcat/logs /srv/tomcat/temp /srv/tomcat/webapps /srv/tomcat/work
+EOF
+
+CMD catalina.sh run