docker: add dockerfile to create container for vyos

Signed-off-by: Date Huang <[email protected]>

docker/Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.22 as builder
+
+COPY . /work
+WORKDIR /work
+
+RUN go build -v -o stunmesh
+
+FROM scratch
+
+WORKDIR /
+copy --from=builder /work/stunmesh .
+
+CMD ["/stunmesh"]