Fix vehicle issue thanks to megan (#297)

Author: alanna-zhou

docker-compose/ghopper/Dockerfile

@@ -8,20 +8,22 @@ WORKDIR /usr/src/app
 RUN apt-get update
 RUN apt-get -y install maven wget
 
-RUN git clone https://github.com/graphhopper/graphhopper.git
+RUN git clone --single-branch -b 0.13 https://github.com/graphhopper/graphhopper.git
 RUN wget https://s3.amazonaws.com/tcat-gtfs/tcat-ny-us.zip
 
 WORKDIR /usr/src/app/graphhopper
-RUN ./graphhopper.sh -a build
+RUN ./graphhopper.sh build
 
 EXPOSE 8988
 
-CMD java -Xmx4g -Xms4g \
-  -Ddw.graphhopper.datareader.file=../map.osm \
-  -Ddw.graphhopper.gtfs.file=../tcat-ny-us.zip \
-  -Ddw.graphhopper.jetty.resourcebase=./graphhopper/web/src/main/webapp \
-  -Ddw.graphhopper.prepare.ch.weightings=no \
-  -Ddw.graphhopper.graph.location=./graph-cache \
-  -Ddw.server.application_connectors[0].bind_host=0.0.0.0 \
-  -Ddw.server.application_connectors[0].port=8988 \
-  -jar web/target/graphhopper-web-*-SNAPSHOT.jar server config.yml
+CMD java -Xmx8g -Xms8g \
+  -Dgraphhopper.datareader.file=../map.osm \
+  -Dgraphhopper.gtfs.file=../tcat-ny-us.zip \
+  -Dgraphhopper.jetty.resourcebase=./graphhopper/web/src/main/webapp \
+  -Dgraphhopper.graph.flag_encoders=pt \
+  -Dgraphhopper.graph.bytes_for_flags=12 \
+  -Dgraphhopper.prepare.ch.weightings=no \
+  -Dgraphhopper.graph.location=./graph-cache \
+  -Ddw.server.applicationConnectors[0].bindHost=0.0.0.0 \
+  -Ddw.server.applicationConnectors[0].port=8988 \
+  -jar web/target/graphhopper-web-0.13-SNAPSHOT.jar server config.yml