add simple Dockerfile

Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:alpine
+
+RUN apk update && apk add --no-cache git
+RUN git clone https://github.com/mop-tracker/mop ./mop
+RUN cd mop && \
+    go build ./cmd/mop && \
+    chmod a+x ./mop
+WORKDIR /go/mop/
+CMD ["./mop"]