Migration: change geoip address

Dockerfile

@@ -1,9 +1,7 @@
 FROM golang:alpine as builder
 
 RUN apk add --no-cache make git && \
-    wget http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz -O /tmp/GeoLite2-Country.tar.gz && \
-    tar zxvf /tmp/GeoLite2-Country.tar.gz -C /tmp && \
-    mv /tmp/GeoLite2-Country_*/GeoLite2-Country.mmdb /Country.mmdb
+    wget -O /Country.mmdb https://github.com/Dreamacro/maxmind-geoip/releases/latest/download/Country.mmdb
 WORKDIR /clash-src
 COPY . /clash-src
 RUN go mod download && \

config/initial.go

@@ -1,56 +1,30 @@
 package config
 
 import (
-	"archive/tar"
-	"compress/gzip"
 	"fmt"
 	"io"
 	"net/http"
 	"os"
-	"strings"
 
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 )
 
 func downloadMMDB(path string) (err error) {
-	resp, err := http.Get("http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz")
+	resp, err := http.Get("https://github.com/Dreamacro/maxmind-geoip/releases/latest/download/Country.mmdb")
 	if err != nil {
 		return
 	}
 	defer resp.Body.Close()
 
-	gr, err := gzip.NewReader(resp.Body)
-	if err != nil {
-		return
-	}
-	defer gr.Close()
-
-	tr := tar.NewReader(gr)
-	for {
-		h, err := tr.Next()
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return err
-		}
-
-		if !strings.HasSuffix(h.Name, "GeoLite2-Country.mmdb") {
-			continue
-		}
-
 	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0644)
 	if err != nil {
 		return err
 	}
 	defer f.Close()
-		_, err = io.Copy(f, tr)
-		if err != nil {
-			return err
-		}
-	}
+	_, err = io.Copy(f, resp.Body)
 
-	return nil
+	return err
 }
 
 // Init prepare necessary files