Provide an alternative method to produce the Ryu book locally.

Dockerfile

@@ -0,0 +1,17 @@
+FROM osrg/ryu
+# ARG user=osrg
+
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt-get update -qq && apt-get upgrade -y && \
+    apt-get install -y -qq \
+        lsb-release git sudo make \
+    	inkscape texlive-latex-recommended \
+    	texlive-latex-extra texlive-fonts-recommended \
+    	python-minimal python-pip python-sphinx
+# RUN useradd -ms /bin/bash devel
+# RUN usermod -aG sudo devel
+# RUN echo "devel	ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers.d/devel
+# USER devel
+# WORKDIR /home/devel
+
+CMD [ "/home/osrg/ryu-book/do-build.sh" ]

README.md

@@ -31,6 +31,14 @@ $ source venv/bin/activate
 (venv) $ bash ./build.sh en
 ```
 
+Alternative build method
+========================
+```bash
+./mk-book.sh
+```
+Will trigger a build using the original Ryu Docker image. The target is controlled in `do-build.sh`.
+Currently the English PDF is produced. After running the command the PDF appears in the `en/` directory.
+
 
 Building Ryu-Book on Travis-CI
 ==============================

do-build.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+cd $(dirname $0)
+# sudo python -m pip install --upgrade pip
+pip install -r requirements.txt
+python setup.py install
+make -C en clean
+make -C en PAPER=a4 latexpdf
+cp -vf en/build/latex/Ryubook.pdf en

mkbook.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+BASEDIR=$(dirname $(realpath $0))
+docker build -t ryu-book:latest -f Dockerfile .
+docker run -it \
+       --mount "type=bind,source=$BASEDIR,target=/home/osrg/ryu-book" \
+       --name ryubook ryu-book:latest
+
+ZOMBIES="$(docker ps -aq -f status=exited)"
+[ -z "$ZOMBIES" ] || docker rm "$ZOMBIES"
+
+DANGLING="$(docker image ls -aq -f dangling=true)"
+[ -z "$DANGLING" ] || docker rmi "$DANGLING"