diff --git a/containers/synchronizer/Dockerfile b/containers/synchronizer/Dockerfile
new file mode 100644
index 0000000..7ec6592
--- /dev/null
+++ b/containers/synchronizer/Dockerfile
@@ -0,0 +1,44 @@
+FROM       xos
+
+# Install custom Ansible
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y \
+    openssh-client \
+    python-crypto \
+    python-jinja2 \
+    python-paramiko \
+    python-yaml \
+    python-httplib2 \
+    supervisor
+
+RUN \
+    git clone -b release1.8.2 git://github.com/ansible/ansible.git /opt/ansible && \
+    git clone -b release1.8.2 git://github.com/ansible/ansible-modules-extras.git /opt/ansible/lib/ansible/modules/extras && \
+    git clone -b release1.8.2 git://github.com/ansible/ansible-modules-extras.git /opt/ansible/v2/ansible/modules/extras && \
+    git clone git://github.com/sb98052/ansible-modules-core.git /opt/ansible/lib/ansible/modules/core && \
+    git clone git://github.com/sb98052/ansible-modules-core.git /opt/ansible/v2/ansible/modules/core && \
+    # git clone uses cached copy, doesn't pick up latest
+    git -C /opt/ansible pull && \
+    git -C /opt/ansible/lib/ansible/modules/core pull && \
+    git -C /opt/ansible/v2/ansible/modules/core pull
+
+
+# For Observer
+RUN mkdir -p /usr/local/share /bin /etc/ansible
+
+RUN cp /tmp/xos/containers/observer/conf/ansible-hosts /etc/ansible/hosts
+
+ADD http://phantomjs.googlecode.com/files/phantomjs-1.7.0-linux-x86_64.tar.bz2 /usr/local/share/
+
+RUN git clone git://git.planet-lab.org/fofum.git /tmp/fofum && \
+    cd /tmp/fofum; python setup.py install && \
+    rm -rf /tmp/fofum && \
+    tar jxvf /usr/local/share/phantomjs-1.7.0-linux-x86_64.tar.bz2 -C /usr/local/share/ && \
+    rm -f /usr/local/share/phantomjs-1.7.0-linux-x86_64.tar.bz2 && \
+    ln -s /usr/local/share/phantomjs-1.7.0-linux-x86_64 /usr/local/share/phantomjs && \
+    ln -s /usr/local/share/phantomjs/bin/phantomjs /bin/phantomjs
+
+
+# Supervisor
+RUN cp /tmp/xos/containers/observer/conf/observer.conf /etc/supervisor/conf.d/
+
+CMD /usr/bin/supervisord -c /etc/supervisor/conf.d/observer.conf
diff --git a/containers/synchronizer/Makefile b/containers/synchronizer/Makefile
new file mode 100644
index 0000000..e7fedf5
--- /dev/null
+++ b/containers/synchronizer/Makefile
@@ -0,0 +1,13 @@
+CONTAINER_NAME:=observer-server
+
+.PHONY: build
+build: ; docker build --rm -t observer .
+
+.PHONY: run
+run: ; docker run -d --name ${CONTAINER_NAME} observer
+
+.PHONY: stop
+stop: ; docker stop ${CONTAINER_NAME}
+
+.PHONY: rm
+rm: ; docker rm ${CONTAINER_NAME}
diff --git a/containers/synchronizer/conf/ansible-hosts b/containers/synchronizer/conf/ansible-hosts
new file mode 100644
index 0000000..0dd74f1
--- /dev/null
+++ b/containers/synchronizer/conf/ansible-hosts
@@ -0,0 +1,2 @@
+[localhost]
+127.0.0.1
diff --git a/containers/synchronizer/conf/observer.conf b/containers/synchronizer/conf/observer.conf
new file mode 100644
index 0000000..48f61dd
--- /dev/null
+++ b/containers/synchronizer/conf/observer.conf
@@ -0,0 +1,9 @@
+[supervisord]
+logfile=/var/log/supervisord.log ; (main log file;default $CWD/supervisord.log)
+pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
+nodaemon=true
+
+[program:observer]
+command=python /opt/xos/xos-observer.py
+stderr_logfile=/var/log/supervisor/observer.err.log
+stdout_logfile=/var/log/supervisor/observer.out.log