diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..8f5d5df
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,62 @@
+#FROM alpine:3.11
+FROM node:alpine
+
+LABEL MAINTAINERS="Guillaume Scheibel <guillaume.scheibel@gmail.com>, Damien DUPORTAL <damien.duportal@gmail.com>"
+
+# Installing package required for the runtime 
+# build/llo-base-images/asciidoctor-alpine/docker-asciidoctor
+RUN apk add --no-cache \
+    bash \
+    curl \
+    ca-certificates \
+    findutils \
+    font-bakoma-ttf \
+    git \
+    graphviz \
+    inotify-tools \
+    make \
+    python3 \
+    py3-pillow \
+    py3-setuptools \
+    tzdata \
+    unzip \
+    build-base \
+    libxml2-dev \
+    which
+
+# Installing Python dependencies for additional
+# functionnalities
+RUN apk add --no-cache --virtual .pythonmakedepends \
+    build-base \
+    python3-dev \
+    py3-pip \
+  && pip3 install --no-cache-dir \
+    actdiag \
+    pip install supervisor supervisor-stdout \
+    'blockdiag[pdf]' \
+    nwdiag \
+    seqdiag \
+  && apk del -r --no-cache .pythonmakedepends
+
+RUN ln -s /usr/local/bin/node /usr/bin/node
+
+ADD supervisord.conf /etc/supervisor/supervisord.conf
+ADD supervisord-iot.conf /etc/supervisor/conf.d/node-app.conf
+ADD mpi_bootstrap /home/node
+ADD startup.sh /home/node
+
+ADD ttyd /usr/bin
+ADD ssl-ttyd /home/node/ssl-ttyd
+
+RUN mkdir -p /home/node/log \
+&& mkdir -p  /home/node/crond \
+&& mkdir -p  /home/node/run \
+&& chmod -R 755 /home/node \
+&& chown -R node.node /home/node 
+
+WORKDIR /home/node
+VOLUME  /home/node
+
+EXPOSE 8080 8088 8084 3081
+
+CMD ["/usr/bin/supervisord", "-c", "/home/node/startup.sh"]
diff --git a/Dockerfile.build b/Dockerfile.build
new file mode 100755
index 0000000..932ae6e
--- /dev/null
+++ b/Dockerfile.build
@@ -0,0 +1,2 @@
+#!/bin/bash
+docker build -f Dockerfile -t hub.swarmlab.io:5443/playground-nodejs-swarm .
diff --git a/mpi_bootstrap b/mpi_bootstrap
new file mode 100644
index 0000000..2621d16
--- /dev/null
+++ b/mpi_bootstrap
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+ROLE="undefined"
+MPI_MASTER_SERVICE_NAME="mpi2_master"
+MPI_WORKER_SERVICE_NAME="mpi2_worker"
+
+#######################
+# ARGUMENTS PARSER
+
+while [ "$1" != "" ];
+do
+    PARAM=$(echo "$1" | awk -F= '{print $1}')
+    VALUE=$(echo "$1" | awk -F= '{print $2}')
+
+    case $PARAM in
+        role)
+            [ "$VALUE" ] && ROLE=$VALUE
+            ;;
+
+        mpi_master_service_name)
+            [ "$VALUE" ] && MPI_MASTER_SERVICE_NAME=$VALUE
+            ;;
+
+        mpi_worker_service_name)
+            [ "$VALUE" ] && MPI_WORKER_SERVICE_NAME=$VALUE
+            ;;
+        *)
+            echo "ERROR: unknown parameter \"$PARAM\""
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+
+
+cat > /etc/opt/service_names <<- EOF
+MPI_MASTER_SERVICE_NAME=${MPI_MASTER_SERVICE_NAME}
+MPI_WORKER_SERVICE_NAME=${MPI_WORKER_SERVICE_NAME}
+EOF
+
+case $ROLE in
+    "master")
+
+        # Auto update default host file in background and dumb all output
+        auto_update_hosts "${HYDRA_HOST_FILE}" > /dev/null 2>&1 &
+
+        /bin/bash /home/node/startup.sh
+        # Start ssh server
+        #/usr/sbin/sshd -D
+        ;;
+
+
+    "worker")
+
+        # Start ssh server in background
+        /usr/sbin/sshd -D &
+
+        # Keep trying to connect to master node and stay there indefinitely so that master node can see
+        # the connected hosts that are ready for MPI work
+        while sleep 1
+        do
+            # shellcheck disable=SC2086
+            ssh -T -o "StrictHostKeyChecking no"   \
+                -i "${USER_HOME}/.ssh/id_rsa"      \
+                ${USER}@${MPI_MASTER_SERVICE_NAME} \
+                "tail -f /dev/null"
+        done
+        ;;
+    *)
+        echo 'role argument only accepts "master" or "worker"'
+esac
diff --git a/ssl-ttyd/ca.crt b/ssl-ttyd/ca.crt
new file mode 100644
index 0000000..54ce57c
--- /dev/null
+++ b/ssl-ttyd/ca.crt
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/ssl-ttyd/ca.key b/ssl-ttyd/ca.key
new file mode 100644
index 0000000..042fd0c
--- /dev/null
+++ b/ssl-ttyd/ca.key
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/startup.sh b/startup.sh
new file mode 100644
index 0000000..d775f26
--- /dev/null
+++ b/startup.sh
@@ -0,0 +1,123 @@
+#!/bin/bash
+
+# ---------------------------
+# create scripts
+# --------------------------
+if [ "$GIT_TUTOR" ] ; then
+
+REPO=${GIT_TUTOR##*/}
+REPO=${REPO%.git}
+
+# ---------------------------
+# start playground
+# --------------------------
+
+read -r -d '' VAR <<EOF
+#!/bin/bash
+
+pm2-runtime /home/$USER/crond/playground.config.js 
+
+EOF
+echo "$VAR" >  /home/$USER/crond/playground-start.sh
+chmod +x /home/$USER/crond/playground-start.sh
+
+read -r -d '' VAR <<EOF
+module.exports = {
+  "apps": [{
+    "name"        : "playground-nodejs",
+    "autorestart" : true,
+    "watch"       : true,
+    "script"      : "/home/$USER/$REPO/swarmlab-app/src/run/app.js",
+    "args"        : "start",
+    "pid_file"    : "/home/$USER/run/pid.pid",
+    "log_type"    : "json",
+    "log_file"    : "/home/$USER/log/logfile",
+    "error_file"  : "/home/$USER/log/errorfile",
+    "out_file"    : "/home/$USER/log/outfile",
+    "log_date_format": "YYYY-MM-DD HH:mm Z",
+    "merge_logs"  : true,
+    "exec_mode"   : "fork",
+    "max_restarts": 10,
+    "max_memory_restart": "500M",
+    "restart_delay": 1000
+  }]
+}
+EOF
+echo "$VAR" >  /home/$USER/crond/playground.config.js
+chmod +x /home/$USER/crond/playground.config.js
+
+# ---------------------------
+# sync playground
+# --------------------------
+read -r -d '' VAR <<EOF
+#!/bin/bash
+
+ cd /home/$USER/project/tutor/$REPO 
+git fetch origin master
+git reset --hard FETCH_HEAD
+git clean -df
+
+ 
+
+EOF
+echo "$VAR" >  /home/$USER/crond/playground-sync.sh
+chmod +x /home/$USER/crond/playground-sync.sh
+
+# *****************************************************
+# *****************************************************
+#          ELSE
+# *****************************************************
+# *****************************************************
+
+else
+
+# ---------------------------
+# hello world!
+# --------------------------
+read -r -d '' VAR <<EOF
+#!/bin/bash
+
+echo "Hello World!"
+
+EOF
+echo "$VAR" >  /home/$USER/crond/playground-start.sh
+chmod +x /home/$USER/crond/playground-start.sh
+
+# ---------------------------
+# NO sync playground
+# --------------------------
+read -r -d '' VAR <<EOF
+#!/bin/bash
+
+ 
+echo "Hello World!"
+
+EOF
+echo "$VAR" >  /home/$USER/crond/playground-sync.sh
+chmod +x /home/$USER/crond/playground-sync.sh
+
+fi
+
+read -r -d '' VAR <<EOF
+#!/bin/bash
+ 
+$NODENAME
+$NODEID
+$SERVICEID
+$SERVICENAME
+$TASKID
+$TASKNAME
+$TASKREPID
+
+
+EOF
+echo "$VAR" >  /home/$USER/crond/info
+
+chown -R $USER.$USER /home/$USER
+chmod -R 755 /home/$USER
+
+
+/home/$USER/crond/playground-start.sh
+/home/$USER/crond/playground-sync.sh
+
+/usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
diff --git a/supervisord-iot.conf b/supervisord-iot.conf
new file mode 100644
index 0000000..085af49
--- /dev/null
+++ b/supervisord-iot.conf
@@ -0,0 +1,5 @@
+[program:ttyd]
+command=bash -c 'sleep 5 && cd /home/node && sudo -u node ttyd --ssl --ssl-cert /home/node/ssl-ttyd/ca.crt --ssl-key /home/mode/ssl-ttyd/ca.key -c user:%(ENV_PASSWORD)s  -p 8088 -u node bash'
+stdout_logfile=/var/log/ttyd.log
+autorestart=true
+
diff --git a/supervisord.conf b/supervisord.conf
new file mode 100644
index 0000000..332bb82
--- /dev/null
+++ b/supervisord.conf
@@ -0,0 +1,46 @@
+[unix_http_server]
+file=/var/run/supervisor.sock   ; (the path to the socket file)
+;chmod=0700                 ; socket file mode (default 0700)
+;chown=nobody:nogroup       ; socket file uid:gid owner
+;username=user              ; (default is no username (open server))
+;password=123               ; (default is no password (open server))
+
+[inet_http_server]           ; inet (TCP) server disabled by default
+port=127.0.0.1:9001          ; (ip_address:port specifier, *:port for all iface)
+;username=user                ; (default is no username (open server))
+;password=123                 ; (default is no password (open server))
+
+[supervisord]
+logfile=/dev/null            ; (main log file;default $CWD/supervisord.log)
+logfile_maxbytes=0           ; (max main logfile bytes b4 rotation;default 50MB)
+logfile_backups=0            ; (num of main logfile rotation backups;default 10)
+loglevel=info                ; (log level;default info; others: debug,warn,trace)
+;pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
+nodaemon=true                ; (start in foreground if true;default false)
+minfds=1024                  ; (min. avail startup file descriptors;default 1024)
+minprocs=200                 ; (min. avail process descriptors;default 200)
+;umask=022                   ; (process file creation umask;default 022)
+;user=chrism                 ; (default is current user, required if root)
+;identifier=supervisor       ; (supervisord identifier, default is 'supervisor')
+;directory=/tmp              ; (default is not to cd during start)
+;nocleanup=true              ; (don't clean up tempfiles at start;default false)
+;childlogdir=/tmp            ; ('AUTO' child log dir, default $TEMP)
+;environment=KEY="value"     ; (key value pairs to add to environment)
+;strip_ansi=false            ; (strip ansi escape codes in logs; def. false)
+
+; the below section must remain in the config file for RPC
+; (supervisorctl/web interface) to work, additional interfaces may be
+; added by defining them in separate rpcinterface: sections
+[rpcinterface:supervisor]
+supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
+
+[supervisorctl]
+serverurl=unix:///usr/local/var/run/supervisor.sock ; use a unix:// URL  for a unix socket
+;serverurl=http://127.0.0.1:9001 ; use an http:// url to specify an inet socket
+;username=chris              ; should be same as http_username if set
+;password=123                ; should be same as http_password if set
+;prompt=mysupervisor         ; cmd line prompt (default "supervisor")
+;history_file=~/.sc_history  ; use readline history if available
+
+[include]
+files = /etc/supervisor/conf.d/*.conf
diff --git a/ttyd b/ttyd
new file mode 100755
index 0000000..9924b33
Binary files /dev/null and b/ttyd differ