Added dockerfile and entrypoint

Dockerfile

@@ -0,0 +1,20 @@
+from ubuntu:14.04
+
+RUN apt-get -y update
+
+RUN apt-get install -yf \
+    openjdk-7-jdk \
+    mysql-server \
+    scala 
+
+RUN mkdir /etc/hackpad
+
+VOLUME /etc/hackpad/src
+
+COPY bin/docker-entrypoint.sh /etc/hackpad/
+
+ENTRYPOINT ["/etc/hackpad/docker-entrypoint.sh"]
+
+EXPOSE 9000
+
+CMD ["hackpad"]

bin/docker-entrypoint.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+set -e
+
+HACKPAD_SRC="/etc/hackpad/src"
+
+if [ "$1" = 'hackpad' ]; then
+
+	if [ ! -d "$HACKPAD_SRC" ]; then
+		echo "The directory $HACKPAD_SRC doesn't exist."
+		echo "Either your docker image is broken (rebuild from scratch if so) or you're running this script on the host machine and should stop it."
+		exit 1
+	fi
+
+	cd "$HACKPAD_SRC"
+
+	if [ ! -f "$HACKPAD_SRC/README.md" ]; then
+		echo "I can't find any hackpad source files. Did you forget to mount the volume?"
+		echo "[insert instructions here]"
+		exit 1
+	fi
+
+	echo "-->Editing configuration files"
+
+	sed 's:^export SCALA_HOME=".*$:export SCALA_HOME="/usr/share/java":' -i '' bin/exports.sh
+	sed 's:^export SCALA_LIBRARY_JAR=".*$:export SCALA_LIBRARY_JAR="$SCALA_HOME/scala-library.jar":' -i '' bin/exports.sh
+	sed 's:^export JAVA_HOME=".*$:export JAVA_HOME="/usr/share/java":' -i '' bin/exports.sh
+
+	cp etherpad/etc/etherpad.localdev-default.properties etherpad/etc/etherpad.local.properties
+	sed 's:__email_addresses_with_admin_access__:admin@localhost.info:' -i '' etherpad/etc/etherpad.local.properties
+
+	echo "-->Running build"
+
+	./bin/build.sh
+
+	echo "-->Starting mysql"
+	service mysql restart
+
+	echo "-->Creating database"
+	./contrib/scripts/setup-mysql-db.sh -p ""
+
+
+	echo 
+	echo "Starting server. A fake admin account has been created, use admin@localhost.info"
+	echo
+
+	./bin/run.sh
+
+elif [[  "$1" = 'server' ]]; then
+	echo 
+	echo "Starting server."
+	echo
+
+	./bin/run.sh
+
+fi
+
+exec "$@"