Feat: use free DB-IP lite country MMDB database

For more details, see #108

.github/workflows/build.yml

@@ -2,12 +2,13 @@ name: Build geoip.dat
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 4"
+    - cron: "0 0 5 * *"
   push:
     branches:
       - master
     paths-ignore:
       - "README.md"
+      - "configuration.md"
       - ".gitignore"
       - "LICENSE"
       - "**/dependabot.yml"
@@ -19,7 +20,7 @@ jobs:
       - name: Checkout codebase
         uses: actions/checkout@v4
 
-      - name: Set up Go
+      - name: Setup Go
         uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
@@ -28,20 +29,20 @@ jobs:
         run: |
           echo "TAG_NAME=$(date +%Y%m%d%H%M)" >> $GITHUB_ENV
           echo "RELEASE_NAME=$(date +%Y%m%d%H%M)" >> $GITHUB_ENV
+          echo "YEAR=$(date +%Y)" >> $GITHUB_ENV
+          echo "MONTH=$(date +%m)" >> $GITHUB_ENV
         shell: bash
 
-      - name: Get GeoLite2
-        env:
-          LICENSE_KEY: ${{ secrets.MAXMIND_LICEHSE }}
+      - name: Get DB-IP Lite Country MMDB database
         run: |
-          curl -L "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-Country-CSV&license_key=${LICENSE_KEY}&suffix=zip" -o GeoLite2-Country-CSV.zip
-          unzip GeoLite2-Country-CSV.zip
-          rm -f GeoLite2-Country-CSV.zip
-          mv GeoLite2* geolite2
+          curl -L -o dbip-country-lite.mmdb.gz "https://download.db-ip.com/free/dbip-country-lite-${{ env.YEAR }}-${{ env.MONTH }}.mmdb.gz"
+          gzip -d dbip-country-lite.mmdb.gz
+          mkdir -p db-ip
+          mv dbip-country-lite*.mmdb ./db-ip/dbip-country-lite.mmdb
 
-      - name: Build geoip.dat
+      - name: Build GeoIP files
         run: |
-          go run ./
+          go run ./ -c ./config.json
 
       - name: Generate sha256 checksum for dat files
         run: |

.gitignore

@@ -15,6 +15,10 @@
 # vendor/
 
 geolite2/
+db-ip/
 output/
 tmp/
 geoip
+*.mmdb
+*.dat
+*.sha256sum

README.md

@@ -1,6 +1,6 @@
 # GeoIP for V2Ray
 
-This project releases GeoIP files automatically every Thursday for routing purpose in Project V. It also provides a command line interface(CLI) tool for users to customize their own GeoIP files.
+This project releases GeoIP files monthly for routing purpose in Project V. It also provides a command line interface(CLI) tool for users to customize their own GeoIP files.
 
 ## Download links
 
@@ -168,10 +168,8 @@ All available output formats:
   - v2rayGeoIPDat (Convert data to V2Ray GeoIP dat format)
 ```
 
-## Notice
-
-This product includes GeoLite2 data created by MaxMind, available from [MaxMind](https://www.maxmind.com).
-
 ## License
 
-[CC-BY-SA-4.0](https://creativecommons.org/licenses/by-sa/4.0/)
+This project is licensed under [CC-BY-SA-4.0](https://creativecommons.org/licenses/by-sa/4.0/) license.
+
+The free [IP Geolocation data by DB-IP](https://db-ip.com) is licensed under [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/) license.

config.json

@@ -1,12 +1,10 @@
 {
   "input": [
     {
-      "type": "maxmindGeoLite2CountryCSV",
+      "type": "dbipCountryMMDB",
       "action": "add",
       "args": {
-        "country": "./geolite2/GeoLite2-Country-Locations-en.csv",
-        "ipv4": "./geolite2/GeoLite2-Country-Blocks-IPv4.csv",
-        "ipv6": "./geolite2/GeoLite2-Country-Blocks-IPv6.csv"
+        "uri": "./db-ip/dbip-country-lite.mmdb"
       }
     },
     {