Add dockerfile

Dockerfile

@@ -0,0 +1,16 @@
+FROM docker.io/golang:alpine as builder
+
+COPY . /src
+WORKDIR /src
+RUN apk add git make && make
+
+FROM docker.io/alpine
+
+LABEL maintainer="George <zhoreeq@users.noreply.github.com>"
+
+COPY --from=builder /src/meshnamed /usr/bin/meshnamed
+
+USER nobody
+EXPOSE 53535
+
+CMD ["/usr/bin/meshnamed", "--help"]