Added docker file

Author: Willena

Dockerfile

@@ -0,0 +1,14 @@
+FROM golang:1.16-alpine as build
+WORKDIR /build/
+ADD . .
+RUN go mod download
+RUN go build -o /tmp/super-go-mod-proxy github.com/willena/super-go-mod-proxy/cmd
+
+
+FROM alpine
+WORKDIR /app/
+COPY --from=build /tmp/super-go-mod-proxy .
+RUN chmod +x ./super-go-mod-proxy
+
+ENTRYPOINT ["/app/super-go-mod-proxy"]
+

README.md

@@ -1,5 +1,7 @@
 # Super go mod proxy
 
+![https://img.shields.io/docker/v/gillena/super-go-mod-proxy?color=blue&label=Docker%20Hub](https://img.shields.io/docker/v/gillena/super-go-mod-proxy?color=blue&label=Docker%20Hub)
+
 Yet another go modules proxy
 
 # About
@@ -70,4 +72,4 @@ This might be usefull in private environnement where the domain used is not wher
 hosted. For example, module name would be something like `myCompany.com/myGroup/module` and the repository is located at 
 `http://git.private.local/myGroup/module`. This is then transparent for the go client. 
 
- 
+