Create dockerfile (#235)

* Create dockerfile

Credit goes to @andyceo for making the initial one, I fixed it so it works now.

* Update Dockerfile

add lz4-dev to last layer

Dockerfile

@@ -0,0 +1,10 @@
+FROM alpine as builder
+RUN apk add --update git autoconf automake libtool gcc musl-dev zlib-dev bzip2-dev lzo-dev coreutils make g++ lz4-dev && \
+    git clone https://github.com/ckolivas/lrzip.git && \
+    cd /lrzip && ./autogen.sh && ./configure && make -j `nproc` && make install
+
+FROM alpine
+RUN apk add --update --no-cache lzo libbz2 libstdc++ lz4-dev && \
+    rm -rf /tmp/* /var/tmp/*
+COPY --from=builder /usr/local/bin/lrzip /usr/local/bin/lrzip
+CMD ["/usr/local/bin/lrzip"]