Add Maxmind GeoIP Lite download to Docker build

backend/src/__tests__/config.test.ts

@@ -108,10 +108,10 @@ describe('Mempool Backend Config', () => {
       });
 
       expect(config.MAXMIND).toStrictEqual({
-        ENABLED: false,
-        GEOLITE2_CITY: '/usr/local/share/GeoIP/GeoLite2-City.mmdb',
-        GEOLITE2_ASN: '/usr/local/share/GeoIP/GeoLite2-ASN.mmdb',
-        GEOIP2_ISP: '/usr/local/share/GeoIP/GeoIP2-ISP.mmdb'
+        ENABLED: true,
+        GEOLITE2_CITY: './backend/GeoIP/GeoLite2-City.mmdb',
+        GEOLITE2_ASN: './backend/GeoIP/GeoLite2-ASN.mmdb',
+        GEOIP2_ISP: ''
       });
     });
   });