diff --git a/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java b/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java
index 9d51486..8277c21 100644
--- a/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java
+++ b/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java
@@ -53,7 +53,7 @@ public class ConfigManager {
     }
 
     public int getWebserverPort() {
-        return this.getIntProperty("web.port");
+        return this.getIntProperty("webserver.port");
     }
     
     public String getHomeDir() {
@@ -86,7 +86,8 @@ public class ConfigManager {
     }
     
     public int getIntProperty(String key) {
-        return Integer.parseInt(config.getProperty(key));
+        String value = config.getProperty(key);
+        return value != null ? Integer.parseInt(value) : 10;
     }
     
     public boolean getBooleanProperty(String key) {
diff --git a/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java b/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java
index 13d13e1..df9ce33 100644
--- a/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java
+++ b/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java
@@ -6,12 +6,16 @@ import java.util.Set;
 
 import io.vertx.core.AbstractVerticle;
 import io.vertx.core.Promise;
+import io.vertx.core.Vertx;
 import io.vertx.core.http.HttpMethod;
+import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.Router;
 import io.vertx.ext.web.RoutingContext;
 import io.vertx.ext.web.handler.BodyHandler;
 import io.vertx.ext.web.handler.CorsHandler;
+import io.vertx.jdbcclient.JDBCConnectOptions;
 import io.vertx.jdbcclient.JDBCPool;
+import io.vertx.sqlclient.PoolOptions;
 import net.miarma.contaminus.common.ConfigManager;
 import net.miarma.contaminus.common.Constants;
 import net.miarma.contaminus.database.DatabaseManager;
@@ -23,9 +27,20 @@ public class DataLayerAPIVerticle extends AbstractVerticle {
     private ConfigManager configManager;
     
     
-    public DataLayerAPIVerticle(JDBCPool pool) {
-		this.pool = pool;
-	}
+    public DataLayerAPIVerticle() {
+    	JDBCConnectOptions connectOptions = new JDBCConnectOptions()
+    			.setJdbcUrl(
+					"jdbc:mariadb://" + configManager.getStringProperty("db.host") + 
+					":" + configManager.getStringProperty("db.port") + "/"
+				)
+				.setDatabase(configManager.getStringProperty("db.name"))
+				.setUser(configManager.getStringProperty("db.user"))
+				.setPassword(configManager.getStringProperty("db.pwd"));
+
+    	PoolOptions poolOptions = new PoolOptions().setMaxSize(5);
+    	
+		pool = JDBCPool.pool(vertx, connectOptions, poolOptions);
+    }
     
 	@Override
     public void start(Promise<Void> startPromise) {
diff --git a/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java b/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java
index 8d069cf..e024a5f 100644
--- a/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java
+++ b/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java
@@ -10,25 +10,30 @@ import io.vertx.core.AbstractVerticle;
 import io.vertx.core.DeploymentOptions;
 import io.vertx.core.Promise;
 import io.vertx.core.ThreadingModel;
-import io.vertx.core.json.JsonObject;
-import io.vertx.jdbcclient.JDBCPool;
+import io.vertx.core.Vertx;
 import net.miarma.contaminus.common.ConfigManager;
 import net.miarma.contaminus.common.Constants;
 
 public class MainVerticle extends AbstractVerticle {
     static ConfigManager configManager;
-    private JDBCPool pool;
+    
+    public static void main(String[] args) {
+    	System.setProperty("java.util.logging.manager", "org.jboss.logmanager.LogManager");
+    	init();
+    	
+        Vertx vertx = Vertx.vertx();
+        vertx.deployVerticle(new MainVerticle(), res -> {
+            if (res.succeeded()) {
+                System.out.println("MainVerticle desplegado con éxito");
+            } else {
+                System.err.println("Fallo al desplegar MainVerticle: " + res.cause());
+                res.cause().printStackTrace();
+            }
+        });
+    }
 	
-    @SuppressWarnings("deprecation")
-	private void init() {		
+	private static void init() {		
     	configManager = ConfigManager.getInstance();
-    	JsonObject dbConfig = new JsonObject()
-                .put("jdbcUrl", configManager.getJdbcUrl())
-                .put("username", configManager.getStringProperty("db.user"))
-                .put("password", configManager.getStringProperty("db.pwd"))
-                .put("max_pool_size", configManager.getIntProperty("db.poolSize"));
-
-        pool = JDBCPool.pool(vertx, dbConfig);
 	    initializeDirectories();
 	    copyDefaultConfig();
     }
@@ -56,14 +61,11 @@ public class MainVerticle extends AbstractVerticle {
     }
     
     @Override
-    public void start(Promise<Void> startPromise) {    
-    	System.setProperty("java.util.logging.manager", "org.jboss.logmanager.LogManager");
-    	init();
-    	
+    public void start(Promise<Void> startPromise) {       	
         final DeploymentOptions options = new DeploymentOptions();
         options.setThreadingModel(ThreadingModel.WORKER);
        
-        vertx.deployVerticle(new DataLayerAPIVerticle(pool), options, result -> {
+        vertx.deployVerticle(new DataLayerAPIVerticle(), options, result -> {
         	if(result.succeeded()) {
         		Constants.LOGGER.info(String.format(
                     "🟢 DataLayerAPIVerticle desplegado. (http://%s:%d)",