Add Dockerfile and docker-compose.yaml

Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.20-alpine as builder
+
+WORKDIR /project
+ADD go.* ./
+RUN go mod download
+ADD . .
+RUN CGO_ENABLED=0 go build -o service ./cmd/service/main.go
+
+FROM surnet/alpine-wkhtmltopdf:3.17.0-0.12.6-full
+
+WORKDIR /project
+COPY --from=builder /project/service service
+ENTRYPOINT ["./service"]