adding Dockerfile.local for faster local development

Dockerfile.local

@@ -0,0 +1,21 @@
+FROM golang:alpine as builder
+MAINTAINER Jack Murdock <jack_murdock@comcast.com>
+
+# build the binary
+WORKDIR /go/src
+COPY src/ /go/src/
+
+RUN go build -o petasos_linux_amd64 petasos
+
+EXPOSE 6400 6401 6402 6403
+RUN mkdir -p /etc/petasos
+VOLUME /etc/petasos
+
+# the actual image
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+RUN mkdir -p /etc/petasos
+VOLUME /etc/petasos
+WORKDIR /root/
+COPY --from=builder /go/src/petasos_linux_amd64 .
+ENTRYPOINT ["./petasos_linux_amd64"]