add octave dockerfile

docker/octave/Dockerfile

@@ -0,0 +1,16 @@
+FROM alpine:edge
+
+RUN apk --update --no-cache add \
+alpine-sdk \
+bash bash-completion \
+git git-bash-completion \
+nano 
+
+RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
+
+RUN apk --update --no-cache add octave
+
+RUN apk --no-cache add ghostscript ghostscript-fonts ghostscript-gtk ghostscript-dev gnuplot xvfb
+
+ENV DISPLAY :0
+