diff --git a/containers/observer/Dockerfile b/containers/observer/Dockerfile
new file mode 100644
index 0000000..2b5bd37
--- /dev/null
+++ b/containers/observer/Dockerfile
@@ -0,0 +1,43 @@
+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
+
+RUN cp /tmp/xos/containers/observer/conf/ansible-hosts /etc/ansible/hosts
+
+# For Observer
+RUN mkdir -p /usr/local/share /bin
+
+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