diff --git a/installers/docker/docker-compose.yaml b/installers/docker/docker-compose.yaml
index a1e88bc..fa27900 100644
--- a/installers/docker/docker-compose.yaml
+++ b/installers/docker/docker-compose.yaml
@@ -20,7 +20,7 @@
   kafka:
     image: wurstmeister/kafka
     ports:
-      - "9092:9092"
+      - "9092"
     networks:
       - netOSM
     environment:
@@ -49,7 +49,7 @@
       OSMNBI_DATABASE_HOST: mongo
       OSMNBI_MESSAGE_HOST: kafka
     ports:
-      - "9999:9999"
+      - "${OSM_NBI_PORTS:-9999:9999}"
     #depends_on:
     #  - kafka
     #  - mongo
@@ -90,7 +90,7 @@
     #depends_on:
     #  - ro-db
     ports:
-      - "9090:9090"
+      - "${OSM_RO_PORTS:-9090:9090}"
   mon:
     image: osm/mon
     networks:
@@ -105,7 +105,7 @@
     #depends_on:
     #  - kafka
     ports:
-      - "8662:8662"
+      - "8662"
   pm:
     image: osm/pm
     networks:
@@ -124,5 +124,4 @@
     #depends_on:
     #  - nbi
     ports:
-      - "80:80"
-
+      - "${OSM_UI_PORTS:-80:80}"
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index a92e1ba..60a99e3 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -26,6 +26,9 @@
     echo -e "                     -b v2.0            (v2.0 branch)"
     echo -e "                     -b tags/v1.1.0     (a specific tag)"
     echo -e "                     ..."
+    echo -e "     -s <stack name> user defined stack name, default is osm"
+    echo -e "     -H <VCA host>   use specific juju host controller IP"
+    echo -e "     -S <VCA secret> use VCA/juju secret key"
     echo -e "     --vimemu:       additionally deploy the VIM emulator as a docker container"
     echo -e "     --elk_stack:    additionally deploy an ELK docker stack for event logging"
     echo -e "     --pm_stack:     additionally deploy a Prometheus+Grafana stack for performance monitoring (PM)"
@@ -34,6 +37,9 @@
     echo -e "     -D <devops path> use local devops installation path"
     echo -e "     --nolxd:        do not install and configure LXD, allowing unattended installations (assumes LXD is already installed and confifured)"
     echo -e "     --nodocker:     do not install docker, do not initialize a swarm (assumes docker is already installed and a swarm has been initialized)"
+    echo -e "     --nojuju:       do not juju, assumes already installed"
+    echo -e "     --nodockerbuild:do not build docker images (use existing locally cached images)"
+    echo -e "     --nohostports:  do not expose docker ports to host (useful for creating multiple instances of osm on the same host)"
     echo -e "     --uninstall:    uninstall OSM: remove the containers and delete NAT rules"
     echo -e "     --source:       install OSM from source code using the latest stable tag"
     echo -e "     --develop:      (deprecated, use '-b master') install OSM from source code using the master branch"
@@ -72,6 +78,29 @@
     return 0
 }
 
+# takes a juju/accounts.yaml file and returns the password specific
+# for a controller. I wrote this using only bash tools to minimize 
+# additions of other packages
+function parse_juju_password {
+   password_file="${HOME}/.local/share/juju/accounts.yaml"
+   local controller_name=$1
+   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
+   sed -ne "s|^\($s\):|\1|" \
+        -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
+        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $password_file |
+   awk -F$fs -v controller=$controller_name '{
+      indent = length($1)/2;
+      vname[indent] = $2;
+      for (i in vname) {if (i > indent) {delete vname[i]}}
+      if (length($3) > 0) {
+         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
+         if (match(vn,controller) && match($2,"password")) {
+             printf("%s",$3);
+         }
+      }
+   }'
+}
+
 function remove_stack() {
     stack=$1
     if sg docker -c "docker stack ps ${stack}" ; then
@@ -102,17 +131,17 @@
         if [ -n "$INSTALL_ELK" ]; then
             echo -e "\nUninstalling OSM ELK stack"
             remove_stack osm_elk
-            sudo rm -rf /etc/osm/docker/osm_elk
+            rm -rf $OSM_DOCKER_WORK_DIR/osm_elk
         fi
         if [ -n "$INSTALL_PERFMON" ]; then
             echo -e "\nUninstalling OSM Performance Monitoring stack"
             remove_stack osm_metrics
             sg docker -c "docker image rm osm/kafka-exporter"
-            sudo rm -rf /etc/osm/docker/osm_metrics
+            rm -rf $OSM_DOCKER_WORK_DIR/osm_metrics
         fi
     else
         echo -e "\nUninstalling OSM"
-        remove_stack osm
+        remove_stack $OSM_STACK_NAME
         remove_stack osm_elk
         remove_stack osm_metrics
         echo "Now osm docker images and volumes will be deleted"
@@ -129,9 +158,8 @@
         docker volume rm osm_osm_packages
         docker volume rm osm_ro_db
 EONG
-        echo "Removing /etc/osm and /var/log/osm files"
-        sudo rm -rf /etc/osm
-        sudo rm -rf /var/log/osm
+        echo "Removing $OSM_DOCKER_WORK_DIR"
+        rm -rf $OSM_DOCKER_WORK_DIR
     fi
     echo "Some docker images will be kept in case they are used by other docker stacks"
     echo "To remove them, just run 'docker image prune' in a terminal"
@@ -579,9 +607,16 @@
     echo "Installing juju"
     sudo snap install juju --classic
     [ -z "$INSTALL_NOLXD" ] && sudo dpkg-reconfigure -p medium lxd
-    sg lxd -c "juju bootstrap --bootstrap-series=xenial localhost osm"
-    [ $(sg lxd -c "juju status" |grep "osm" |wc -l) -eq 1 ] || FATAL "Juju installation failed"
     echo "Finished installation of juju"
+    return 0
+}
+
+function juju_createcontroller() {
+    if ! sg lxd -c "juju show-controller $OSM_STACK_NAME &> /dev/null"; then
+        # Not found created, create the controller
+        sg lxd -c "juju bootstrap --bootstrap-series=xenial localhost $OSM_STACK_NAME"
+    fi
+    [ $(sg lxd -c "juju controllers" |grep "$OSM_STACK_NAME" |wc -l) -eq 1 ] || FATAL "Juju installation failed"
 }
 
 function generate_docker_images() {
@@ -633,34 +668,32 @@
     file2="$2"
     if ! $(cmp "${file1}" "${file2}" >/dev/null 2>&1); then
         if [ -f "${file2}" ]; then
-            ask_user "The file ${file2} already exists. Overwrite (y/N)? " n && sudo cp -b ${file1} ${file2}
+            ask_user "The file ${file2} already exists. Overwrite (y/N)? " n && cp -b ${file1} ${file2}
         else
-            sudo cp -b ${file1} ${file2}
+            cp -b ${file1} ${file2}
         fi
     fi
 }
 
 function generate_config_log_folders() {
     echo "Generating config and log folders"
-    sudo mkdir -p /etc/osm/docker
-    sudo cp -b ${OSM_DEVOPS}/installers/docker/docker-compose.yaml /etc/osm/docker/docker-compose.yaml
-    sudo mkdir -p /var/log/osm
+    cp -b ${OSM_DEVOPS}/installers/docker/docker-compose.yaml $OSM_DOCKER_WORK_DIR/docker-compose.yaml
     echo "Finished generation of config and log folders"
 }
 
 function generate_docker_env_files() {
     echo "Generating docker env files"
-    echo "OSMLCM_VCA_HOST=${OSMLCM_VCA_HOST}" |sudo tee /etc/osm/docker/lcm.env
-    echo "OSMLCM_VCA_SECRET=${OSMLCM_VCA_SECRET}" |sudo tee -a /etc/osm/docker/lcm.env
+    echo "OSMLCM_VCA_HOST=${OSMLCM_VCA_HOST}" | tee $OSM_DOCKER_WORK_DIR/lcm.env
+    echo "OSMLCM_VCA_SECRET=${OSMLCM_VCA_SECRET}" | tee -a $OSM_DOCKER_WORK_DIR/lcm.env
+
     MYSQL_ROOT_PASSWORD=`date +%s | sha256sum | base64 | head -c 32`
-    if [ ! -f /etc/osm/docker/ro-db.env ]; then
-        echo "MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}" |sudo tee /etc/osm/docker/ro-db.env
+    if [ ! -f $OSM_DOCKER_WORK_DIR/ro-db.env ]; then
+        echo "MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}" |tee $OSM_DOCKER_WORK_DIR/ro-db.env
     fi
-    if [ ! -f /etc/osm/docker/ro.env ]; then
-        echo "RO_DB_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}" |sudo tee /etc/osm/docker/ro.env
+    if [ ! -f $OSM_DOCKER_WORK_DIR/ro.env ]; then
+        echo "RO_DB_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}" |tee $OSM_DOCKER_WORK_DIR/ro.env
     fi
-    echo "OS_NOTIFIER_URI=http://${DEFAULT_IP}:8662" |tee /tmp/mon.env
-    cmp_overwrite /tmp/mon.env /etc/osm/docker/mon.env
+    echo "OS_NOTIFIER_URI=http://${DEFAULT_IP}:8662" |tee $OSM_DOCKER_WORK_DIR/mon.env
     echo "Finished generation of docker env files"
 }
 
@@ -678,9 +711,27 @@
 function deploy_lightweight() {
     echo "Deploying lightweight build"
     [ -n "$INSTALL_NODOCKER" ] || init_docker_swarm
-    remove_stack osm
-    sg docker -c "docker stack deploy -c /etc/osm/docker/docker-compose.yaml osm"
-    #docker-compose -f /etc/osm/docker/docker-compose.yaml up -d
+    remove_stack $OSM_STACK_NAME
+
+    OSM_NBI_PORT=9999
+    OSM_RO_PORT=9090
+    OSM_UI_PORT=80
+
+    if [ -n "$NO_HOST_PORTS" ]; then
+        OSM_PORTS+=(OSM_NBI_PORTS=$OSM_NBI_PORT)
+        OSM_PORTS+=(OSM_RO_PORTS=$OSM_RO_PORT)
+        OSM_PORTS+=(OSM_UI_PORTS=$OSM_UI_PORT)
+    else
+        OSM_PORTS+=(OSM_NBI_PORTS=$OSM_NBI_PORT:$OSM_NBI_PORT)
+        OSM_PORTS+=(OSM_RO_PORTS=$OSM_RO_PORT:$OSM_RO_PORT)
+        OSM_PORTS+=(OSM_UI_PORTS=$OSM_UI_PORT:$OSM_UI_PORT)
+    fi
+    echo "export ${OSM_PORTS[@]}" > $OSM_DOCKER_WORK_DIR/osm_ports.sh
+
+    pushd $OSM_DOCKER_WORK_DIR > /dev/null
+    sg docker -c "source ./osm_ports.sh; docker stack deploy -c $OSM_DOCKER_WORK_DIR/docker-compose.yaml $OSM_STACK_NAME"
+    popd > /dev/null
+
     echo "Finished deployment of lightweight build"
 }
 
@@ -690,11 +741,11 @@
     sg docker -c "docker pull docker.elastic.co/logstash/logstash-oss:6.2.3" || FATAL "cannot get logstash docker image"
     sg docker -c "docker pull docker.elastic.co/kibana/kibana-oss:6.2.3" || FATAL "cannot get kibana docker image"
     echo "Finished pulling elk docker images"
-    sudo mkdir -p /etc/osm/docker/osm_elk
-    sudo cp -b ${OSM_DEVOPS}/installers/docker/osm_elk/* /etc/osm/docker/osm_elk
+    mkdir -p "$OSM_DOCKER_WORK_DIR/osm_elk"
+    cp -b ${OSM_DEVOPS}/installers/docker/osm_elk/* $OSM_DOCKER_WORK_DIR/osm_elk
     remove_stack osm_elk
     echo "Deploying ELK stack"
-    sg docker -c "docker stack deploy -c /etc/osm/docker/osm_elk/docker-compose.yml osm_elk"
+    sg docker -c "docker stack deploy -c $OSM_DOCKER_WORK_DIR/osm_elk/docker-compose.yml osm_elk"
     echo "Waiting for ELK stack to be up and running"
     time=0
     step=5
@@ -740,17 +791,20 @@
     echo "Generating osm/kafka-exporter docker image"
     sg docker -c "docker build ${OSM_DEVOPS}/installers/docker/osm_metrics/kafka-exporter -f ${OSM_DEVOPS}/installers/docker/osm_metrics/kafka-exporter/Dockerfile -t osm/kafka-exporter --no-cache" || FATAL "cannot build kafka-exporter docker image"
     echo "Finished generation of osm/kafka-exporter docker image"
-    sudo mkdir -p /etc/osm/docker/osm_metrics
-    sudo cp -b ${OSM_DEVOPS}/installers/docker/osm_metrics/*.yml /etc/osm/docker/osm_metrics
-    sudo cp -b ${OSM_DEVOPS}/installers/docker/osm_metrics/*.json /etc/osm/docker/osm_metrics
+    mkdir -p $OSM_DOCKER_WORK_DIR/osm_metrics
+    cp -b ${OSM_DEVOPS}/installers/docker/osm_metrics/*.yml $OSM_DOCKER_WORK_DIR/osm_metrics
+    cp -b ${OSM_DEVOPS}/installers/docker/osm_metrics/*.json $OSM_DOCKER_WORK_DIR/osm_metrics
     remove_stack osm_metrics
     echo "Deploying PM stack (Kafka exporter + Prometheus + Grafana)"
-    sg docker -c "docker stack deploy -c /etc/osm/docker/osm_metrics/docker-compose.yml osm_metrics"
+    sg docker -c "docker stack deploy -c $OSM_DOCKER_WORK_DIR/osm_metrics/docker-compose.yml osm_metrics"
     echo "Finished deployment of PM stack"
     return 0
 }
 
 function install_lightweight() {
+    [ -z "$OSM_DOCKER_WORK_DIR" ] && OSM_DOCKER_WORK_DIR="$HOME/.osm/stack/$OSM_STACK_NAME"
+    [ ! -d "$OSM_DOCKER_WORK_DIR" ] && mkdir -p $OSM_DOCKER_WORK_DIR
+
     [ "$USER" == "root" ] && FATAL "You are running the installer as root. The installer is prepared to be executed as a normal user with sudo privileges."
     [ -z "$ASSUME_YES" ] && ! ask_user "The installation will configure LXD, install juju, install docker CE and init a docker swarm, as pre-requirements. Do you want to proceed (Y/n)? " y && echo "Cancelled!" && exit 1
     track proceed
@@ -762,7 +816,9 @@
     DEFAULT_IP=`ip -o -4 a |grep ${DEFAULT_IF}|awk '{split($4,a,"/"); print a[1]}'`
     [ -z "$DEFAULT_IP" ] && FATAL "Not possible to determine the IP address of the interface with the default route"
     DEFAULT_MTU=$(ip addr show ${DEFAULT_IF} | perl -ne 'if (/mtu\s(\d+)/) {print $1;}')
-    if [ -z "$INSTALL_NOLXD" ]; then
+
+    # if no host is passed in, we need to install lxd/juju, unless explicilty asked not to
+    if [ -z "$OSMLCM_VCA_HOST" ] && [ -z "$INSTALL_NOLXD" ]; then
         need_packages_lw="lxd"
         echo -e "Checking required packages: $need_packages_lw"
         dpkg -l $need_packages_lw &>/dev/null \
@@ -775,19 +831,26 @@
           || FATAL "failed to install $need_packages_lw"
     fi
     track prereqok
-    install_juju
-    OSMLCM_VCA_HOST=`sg lxd -c "juju show-controller"|grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
-    OSMLCM_VCA_SECRET=`grep password ${HOME}/.local/share/juju/accounts.yaml |awk '{print $2}'`
-    [ -z "$OSMLCM_VCA_HOST" ] && FATAL "Cannot obtain juju controller IP address"
-    [ -z "$OSMLCM_VCA_SECRET" ] && FATAL "Cannot obtain juju secret"
+    [ -z "$INSTALL_NOJUJU" ] && install_juju
+
+    if [ -z "$OSMLCM_VCA_HOST" ]; then
+        juju_createcontroller
+        OSMLCM_VCA_HOST=`sg lxd -c "juju show-controller $OSM_STACK_NAME"|grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
+        [ -z "$OSMLCM_VCA_HOST" ] && FATAL "Cannot obtain juju controller IP address"
+    fi
+    if [ -z "$OSMLCM_VCA_SECRET" ]; then
+        OSMLCM_VCA_SECRET=$(parse_juju_password $OSM_STACK_NAME)
+        [ -z "$OSMLCM_VCA_SECRET" ] && FATAL "Cannot obtain juju secret"
+    fi
+
     track juju
     [ -n "$INSTALL_NODOCKER" ] || install_docker_ce
     track docker_ce
     #install_docker_compose
-    generate_docker_images
+    [ -z "$DOCKER_NOBUILD" ] && generate_docker_images
     track docker_build
-    generate_config_log_folders
     generate_docker_env_files
+    generate_config_log_folders
     deploy_lightweight
     track docker_deploy
     [ -n "$INSTALL_VIMEMU" ] && install_vimemu && track vimemu
@@ -809,19 +872,20 @@
     git clone https://osm.etsi.org/gerrit/osm/vim-emu.git $EMUTEMPDIR
     # build vim-emu docker
     echo "Building vim-emu Docker container..."
-    sudo docker build -t vim-emu-img -f $EMUTEMPDIR/Dockerfile --no-cache $EMUTEMPDIR/ || FATAL "cannot build vim-emu-img docker image"
+
+    sg docker -c "docker build -t vim-emu-img -f $EMUTEMPDIR/Dockerfile --no-cache $EMUTEMPDIR/" || FATAL "cannot build vim-emu-img docker image"
     # start vim-emu container as daemon
     echo "Starting vim-emu Docker container 'vim-emu' ..."
     if [ -n "$INSTALL_LIGHTWEIGHT" ]; then
         # in lightweight mode, the emulator needs to be attached to netOSM
-        sudo docker run --name vim-emu -t -d --restart always --privileged --pid='host' --network=netOSM -v /var/run/docker.sock:/var/run/docker.sock vim-emu-img python examples/osm_default_daemon_topology_2_pop.py
+        sg docker -c "docker run --name vim-emu -t -d --restart always --privileged --pid='host' --network=netOSM -v /var/run/docker.sock:/var/run/docker.sock vim-emu-img python examples/osm_default_daemon_topology_2_pop.py"
     else
         # classic build mode
-        sudo docker run --name vim-emu -t -d --restart always --privileged --pid='host' -v /var/run/docker.sock:/var/run/docker.sock vim-emu-img python examples/osm_default_daemon_topology_2_pop.py
+        sg docker -c "docker run --name vim-emu -t -d --restart always --privileged --pid='host' -v /var/run/docker.sock:/var/run/docker.sock vim-emu-img python examples/osm_default_daemon_topology_2_pop.py"
     fi
     echo "Waiting for 'vim-emu' container to start ..."
     sleep 5
-    export VIMEMU_HOSTNAME=$(sudo docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' vim-emu)
+    export VIMEMU_HOSTNAME=$(sg docker -c "docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' vim-emu")
     echo "vim-emu running at ${VIMEMU_HOSTNAME} ..."
     # print vim-emu connection info
     echo -e "\nYou might be interested in adding the following vim-emu env variables to your .bashrc file:"
@@ -897,12 +961,18 @@
 TO_REBUILD=""
 INSTALL_NOLXD=""
 INSTALL_NODOCKER=""
+INSTALL_NOJUJU=""
 NOCONFIGURE=""
 RELEASE_DAILY=""
 SESSION_ID=`date +%s`
 OSM_DEVOPS=
+OSMLCM_VCA_HOST=
+OSMLCM_VCA_SECRET=
+OSM_STACK_NAME=osm
+NO_HOST_PORTS=""
+DOCKER_NOBUILD=""
 
-while getopts ":hy-:b:r:k:u:R:l:p:D:o:m:" o; do
+while getopts ":hy-:b:r:k:u:R:l:p:D:o:m:H:S:s:" o; do
     case "${o}" in
         h)
             usage && exit 0
@@ -931,6 +1001,15 @@
         D)
             OSM_DEVOPS="${OPTARG}"
             ;;
+        s)
+            OSM_STACK_NAME="${OPTARG}"
+            ;;
+        H)
+            OSMLCM_VCA_HOST="${OPTARG}"
+            ;;
+        S)
+            OSMLCM_VCA_SECRET="${OPTARG}"
+            ;;
         o)
             INSTALL_ONLY="y"
             [ "${OPTARG}" == "vimemu" ] && INSTALL_VIMEMU="y" && continue
@@ -968,6 +1047,9 @@
             [ "${OPTARG}" == "noconfigure" ] && NOCONFIGURE="y" && continue
             [ "${OPTARG}" == "showopts" ] && SHOWOPTS="y" && continue
             [ "${OPTARG}" == "daily" ] && RELEASE_DAILY="y" && continue
+            [ "${OPTARG}" == "nohostports" ] && NO_HOST_PORTS="y" && continue
+            [ "${OPTARG}" == "nojuju" ] && INSTALL_NOJUJU="y" && continue
+            [ "${OPTARG}" == "nodockerbuild" ] && DOCKER_NOBUILD="y" && continue
             echo -e "Invalid option: '--$OPTARG'\n" >&2
             usage && exit 1
             ;;