diff --git a/routes/mapRoutes.js b/routes/mapRoutes.js
index f629e53..2077484 100644
--- a/routes/mapRoutes.js
+++ b/routes/mapRoutes.js
@@ -1,3 +1,5 @@
+// Here are all mapping routes
+//
 const keys = require("../config/keys");
 
 module.exports = router => {
diff --git a/services/databases.js b/services/databases.js
index 66bb947..d70aa10 100644
--- a/services/databases.js
+++ b/services/databases.js
@@ -1,3 +1,5 @@
+// Create global connections with SQLServer (comercial) and Postgres (mapping)
+//
 var ms_sql = require("mssql");
 var pg = require("pg");
 const keys = require("../config/keys");
@@ -7,8 +9,17 @@ pg.defaults.poolSize = 25;
 
 // Creates global pool connection with Postgres and MS SqlServer
 global.poolPg = new pg.Pool(keys.pg);
+global.poolPg.connect(function(err, client, done){
+  if(err){
+    console.error("Error connectin to Postgres Server"+ err.stack);
+  } else {
+    console.log("Connection estabilished with Postgres Server");
+  }
+})
 global.poolMsql = new ms_sql.ConnectionPool(keys.msql, function(err) {
   if (err) {
     console.log("Não conectou com SQLServer:\n" + err);
+  } else{
+    console.log("Connection estabilished with SQLServer");
   }
 });
\ No newline at end of file
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libgit2 0.21.2