feat: ✨ add dockerfile

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.22 as builder
+
+WORKDIR /plugin
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN go build -o plugin
+
+FROM alpine:3.6 as alpine
+RUN apk add -U --no-cache ca-certificates
+
+FROM alpine:3.6
+ENV GODEBUG netdns=go
+
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
+COPY --from=builder /plugin/plugin /bin/
+ENTRYPOINT ["/bin/plugin"]