Update Readme.

Dockerfile

@@ -1,15 +1,49 @@
-FROM java:8-alpine
+FROM openjdk:8-jre-alpine
 
-ARG WATERFALL_BUILD=95
-ARG WATERFALL_URL=https://ci.destroystokyo.com/job/Waterfall/${WATERFALL_BUILD}/artifact/Waterfall-Proxy/bootstrap/target/Waterfall.jar
-ARG WATERFALL_SHA512=b666c638ef606d0270d3883ffc2fbae7dc18d467c24c29ace41e9f322389814817ae40497d28386f952b2a5712a962c058b2ed57e6df9c8e9b9077660e03700a
+ARG WATERFALL_GIT_URL=https://github.com/WaterfallMC/Waterfall.git
+ARG WATERFALL_VERSION=8ff8de0fbdbf14d0b3e842780738f6d0b204d07a
 
-WORKDIR /data
-ADD "${WATERFALL_URL}" /srv/waterfall.jar
-RUN cd /srv &&\
-	chmod 444 /srv/waterfall.jar
+ARG MAVEN_VERSION=3.3.9
 
-ADD start.sh /usr/local/bin/waterfall
+ARG WATERFALL_WORKSPACE=/usr/src/waterfall
+
+# Dependencies that need to be permanently installed
+RUN apk add --no-cache \
+	libc6-compat
+
+# Building
+RUN \
+	apk add --no-cache --virtual .build-deps \
+		bash \
+		git \
+		openjdk8="${JAVA_ALPINE_VERSION}" \
+		&&\
+	\
+	wget "http://archive.apache.org/dist/maven/maven-3/$MAVEN_VERSION/binaries/apache-maven-$MAVEN_VERSION-bin.tar.gz" &&\
+	tar -zxvf apache-maven-$MAVEN_VERSION-bin.tar.gz &&\
+	rm apache-maven-$MAVEN_VERSION-bin.tar.gz && \
+	mv apache-maven-$MAVEN_VERSION /usr/lib/mvn &&\
+	export MAVEN_HOME="/usr/lib/mvn" &&\
+	export PATH="${PATH}:${MAVEN_HOME}/bin" &&\
+	\
+	git config --global user.email "root@docker" &&\
+	git config --global user.name "Docker Build" &&\
+	git clone --recursive \
+		"${WATERFALL_GIT_URL}" "${WATERFALL_WORKSPACE}" &&\
+	\
+	cd "${WATERFALL_WORKSPACE}" &&\
+	git checkout "${WATERFALL_VERSION}" &&\
+	./build.sh &&\
+	rm -f Waterfall-Proxy/bootstrap/target/original-* &&\
+	mkdir -vp /srv &&\
+	chmod -v 444 Waterfall-Proxy/bootstrap/target/*.jar &&\
+	mv -v Waterfall-Proxy/bootstrap/target/*.jar /srv &&\
+	\
+	cd /srv &&\
+	rm -rf "${WATERFALL_WORKSPACE}" "${MAVEN_HOME}" &&\
+	apk del .build-deps
+
+COPY start.sh /usr/local/bin/waterfall
 RUN chmod +x /usr/local/bin/waterfall
 
 ENV JAVA_ARGS "-Xmx1G"

README.md

@@ -6,7 +6,7 @@ This image includes the [Jenkins build of Waterfall](), "a drag and drop replace
 
 All available tags are always listed [in Docker Hub](https://hub.docker.com/r/icedream/waterfall/tags), the list below explains the maintained tags:
 
-- `latest`, `b95`: Latest version of Waterfall.
+- `latest`, `b103`: Latest version of Waterfall.
 
 Previous builds may also be available as tags in the format `b<number>`, for
 example `b75`.

start.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-exec java $JAVA_ARGS -jar /srv/waterfall.jar $WATERFALL_ARGS
+exec java $JAVA_ARGS -jar /srv/Waterfall.jar $WATERFALL_ARGS