feat: add Dockerfile

Author: rileychh

Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:1.22-alpine as builder
+WORKDIR /usr/src/app
+COPY . .
+RUN go build -o /usr/local/bin/app
+
+FROM alpine
+WORKDIR /srv
+COPY --from=builder /usr/local/bin/app app
+ENTRYPOINT ["/srv/app"]