add: dockerfile

Dockerfile

@@ -0,0 +1,14 @@
+FROM golang:1.23 as builder
+LABEL authors="nite07"
+
+WORKDIR /app
+COPY . .
+RUN go mod download
+ARG version
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w -X live-streamer/constant.Version=${version}" -o live-streamer .
+
+FROM alpine:latest
+COPY --from=builder /app/live-streamer /app/live-streamer
+EXPOSE 8080
+VOLUME [ "/app/config.json" ]
+CMD ["/app/live-streamer"]