Add dockerfile

Author: stbenjam

Dockerfile

@@ -0,0 +1,9 @@
+FROM docker.io/library/golang:1.18 as builder
+
+COPY / /nosprintfhostport
+WORKDIR /nosprintfhostport
+RUN CGO_ENABLED=0 make
+
+FROM docker.io/library/golang:1.18
+COPY --from=builder /nosprintfhostport/nosprintfhostport /usr/bin/
+CMD ["nosprintfhostport"]