Add docker image

docker/.dockerignore

+README.txt
+Makefile

docker/Dockerfile

+FROM debian:jessie-slim
+RUN apt-get update \
+ && apt-get install -y \
+      git \
+      wget \
+      php5-cgi \
+			vim
+RUN useradd --create-home --shell /bin/bash elphel
+COPY install-nodejs.sh /tmp
+USER elphel
+RUN /tmp/install-nodejs.sh
+WORKDIR /home/elphel
+RUN cd /home/elphel \
+ && git clone --single-branch -b gulp https://git.elphel.com/Elphel/x3domlet \
+ && export NVM_DIR="/home/elphel/.nvm" \          
+ && [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" \
+ && npm install -g bower gulpjs/gulp-cli \
+ && cd x3domlet \
+ && npm install \
+ && bower install \
+ && gulp build
+WORKDIR /home/elphel/x3domlet
+COPY docker-entrypoint.sh /home/elphel/
+ENTRYPOINT ["/home/elphel/docker-entrypoint.sh"]

docker/Makefile

+all: x3domlet
+
+x3domlet:
+	docker build -t x3domlet .
+
+run: 
+	./docker-run.sh

docker/README.txt

+BUILD 
+- Run "make" to build the docker image.
+
+USE
+- Run "docker-run.sh" from the directory containing the "/models"
+  and "/kml" folders you want to use. It will start the docker image
+	and open a browser window.
+
+
+NOTE: The current user must be allowed to run docker. Otherwise use 'sudo'.

docker/docker-entrypoint.sh

+#!/bin/bash
+export NVM_DIR="/home/elphel/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
+exec "$@"
+

docker/docker-run.sh

+#!/bin/bash
+docker run -i \
+	-v $(pwd)/../assets/models:/home/elphel/x3domlet/models \
+	-v $(pwd)/../assets/kml:/home/elphel/x3domlet/kml \
+	-p 8080:8080 \
+	-p 35729:35729 \
+	x3domlet \
+	gulp connect &
+
+sleep 5
+xdg-open http://localhost:8080/index.html
+

docker/install-nodejs.sh

+#!/bin/bash
+set -e
+
+echo checking for installed node version
+node --version && exit
+
+echo get latest nvm release number ... 
+NVM_VERSION=$(git ls-remote --tags https://github.com/creationix/nvm master v\* | sed -r -n -e 's/.*(v[0-9\.]+)$/\1/p' | sort -V | tail -n 1)
+
+echo downloading nvm $NVM_VERSION
+# download nvm installer
+wget -q -O /tmp/install.sh https://raw.githubusercontent.com/creationix/nvm/$NVM_VERSION/install.sh
+
+echo installing nvm
+. /tmp/install.sh
+export NVM_DIR="$HOME/.nvm"
+test -s "$NVM_DIR/nvm.sh"
+. "$NVM_DIR/nvm.sh"
+
+echo get latest node LTS release number
+NODE_VERSION=$(nvm ls-remote | grep LTS | tail -n 1 | sed -r -n -e 's/.*(v[0-9\.]+).*/\1/p')
+
+echo install nodejs
+nvm install $NODE_VERSION
+
+# disable npm progress
+touch $HOME/.npmrc
+grep -q progress= $HOME/.npmrc || echo progress=false >> $HOME/.npmrc
+
+echo install latest npm
+npm install -g npm
+
+echo done