feat: initial implementation

Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.18-alpine as builder
+
+RUN apk add --no-cache git make
+WORKDIR /app
+COPY . .
+RUN env CGO_ENABLED=0 go build -a -o shortmarks -ldflags "-s -w"
+
+FROM scratch
+ENV PORT 8080
+EXPOSE 8080
+WORKDIR /
+COPY --from=builder /app/shortmarks /
+CMD ["/shortmarks"]