Adds Dockerfile building the current source tree

Dockerfile

@@ -0,0 +1,42 @@
+FROM alpine:3.5
+
+RUN mkdir /src
+COPY . /src
+
+RUN mkdir /opt
+WORKDIR /opt
+RUN NPROC=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || 1) && \
+    echo "@testing http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories && \
+    apk update && \
+    apk upgrade && \
+    apk add git cmake wget make libc-dev gcc g++ bzip2-dev boost-dev zlib-dev expat-dev lua5.1-dev libtbb@testing libtbb-dev@testing && \
+    \
+    echo "Building libstxxl" && \
+    cd /opt && \
+    git clone --depth 1 --branch 1.4.1 https://github.com/stxxl/stxxl.git && \
+    cd stxxl && \
+    mkdir build && \
+    cd build && \
+    cmake -DCMAKE_BUILD_TYPE=Release .. && \
+    make -j${NPROC} && \
+    make install && \
+    \
+    echo "Building OSRM" &&\
+    cd /src && \
+    mkdir build && \
+    cd build && \
+    cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_LTO=On .. && \
+    make -j${NPROC} install && \
+    cd ../profiles && \
+    cp -r * /opt && \
+    \
+    echo "Cleaning up" && \
+    strip /usr/local/bin/* && \
+    rm /usr/local/lib/libstxxl* && \
+    cd /opt && \
+    apk del boost-dev && \
+    apk del g++ cmake libc-dev expat-dev zlib-dev bzip2-dev lua5.1-dev git make gcc && \
+    apk add boost-filesystem boost-program_options boost-regex boost-iostreams boost-thread libgomp lua5.1 expat && \
+    rm -rf /src /opt/stxxl /usr/local/bin/stxxl_tool /usr/local/lib/libosrm*
+
+EXPOSE 5000