Add xray-geosite to Dockerfile

Dockerfile

@@ -1,11 +1,25 @@
 FROM ghcr.io/sagernet/sing-box:v1.10.7 AS sing-box
 
+FROM golang:1.23.1-alpine3.20 AS golang
+
 FROM python:3.10.16-alpine3.21
 
 COPY --from=sing-box /usr/local/bin/sing-box /bin/sing-box
 
+COPY --from=golang /usr/local/go /usr/local/go
+
+ENV GOROOT=/usr/local/go
+
+ENV PATH="/usr/local/go/bin:${PATH}"
+
 RUN pip install --no-cache-dir tldextract
 
+COPY src/xray-geosite /app/xray-geosite
+
+WORKDIR /app/xray-geosite
+
+RUN go mod download
+
 WORKDIR /app
 
 COPY convert.py /app/convert.py