Add dockerfile for node 10 and ember-cli 2.16.2

ember-cli/Dockerfile

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+
+FROM node:10.11.0
+MAINTAINER Dan Lynn <docker@danlynn.org>
+
+# ember server on port 4200
+# livereload server on port 7020 (changed in v2.17.0 from 49153)
+# test server on port 7357
+EXPOSE 4200 7020 7357
+WORKDIR /myapp
+
+# run ember server on container start
+CMD ["ember", "server"]
+
+# Install watchman build dependencies
+RUN \
+	apt-get update -y &&\
+	apt-get install -y python-dev
+
+# install watchman
+# Note: See the README.md to find out how to increase the
+# fs.inotify.max_user_watches value so that watchman will
+# work better with ember projects.
+RUN \
+	git clone https://github.com/facebook/watchman.git &&\
+	cd watchman &&\
+	git checkout v4.9.0 &&\
+	./autogen.sh &&\
+	./configure &&\
+	make &&\
+	make install
+
+# install bower
+RUN \
+	npm install -g bower@1.8.4
+
+# install chrome for default testem config (as of 2.15.0)
+RUN \
+    apt-get update &&\
+    apt-get install -y \
+        apt-transport-https \
+        gnupg \
+        --no-install-recommends &&\
+	curl -sSL https://dl.google.com/linux/linux_signing_key.pub | apt-key add - &&\
+	echo "deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list &&\
+	apt-get update &&\
+	apt-get install -y \
+	    google-chrome-stable \
+	    --no-install-recommends
+
+# tweak chrome to run with --no-sandbox option
+RUN \
+	sed -i 's/"$@"/--no-sandbox "$@"/g' /opt/google/chrome/google-chrome
+
+# set container bash prompt color to blue in order to
+# differentiate container terminal sessions from host
+# terminal sessions
+RUN \
+	echo 'PS1="\[\\e[0;94m\]${debian_chroot:+($debian_chroot)}\\u@\\h:\\w\\\\$\[\\e[m\] "' >> ~/.bashrc
+
+# install ember-cli
+RUN \
+	npm install -g ember-cli@2.16.2