diff --git a/backend/pom.xml b/backend/pom.xml
index 745a3a5..7390a10 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -14,8 +14,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>1.7</maven.compiler.source>
-    <maven.compiler.target>1.7</maven.compiler.target>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
   </properties>
 
   <dependencies>
@@ -25,51 +25,66 @@
       <version>4.11</version>
       <scope>test</scope>
     </dependency>
+
+    <dependency>
+      <groupId>com.sparkjava</groupId>
+      <artifactId>spark-core</artifactId>
+      <version>2.9.4</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-simple</artifactId>
+      <version>1.7.21</version>
+    </dependency>
+
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <version>2.10.1</version>
+      <scope>compile</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>mysql</groupId>
+      <artifactId>mysql-connector-java</artifactId>
+      <version>8.0.30</version>
+    </dependency>
   </dependencies>
 
   <build>
-    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
-      <plugins>
-        <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
+    <plugins>
         <plugin>
-          <artifactId>maven-clean-plugin</artifactId>
-          <version>3.1.0</version>
-        </plugin>
-        <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
-        <plugin>
-          <artifactId>maven-resources-plugin</artifactId>
-          <version>3.0.2</version>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>2.3.2</version>
+            <configuration>
+                <source>1.8</source>
+                <target>1.8</target>
+            </configuration>
         </plugin>
         <plugin>
-          <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.8.0</version>
+            <artifactId>maven-assembly-plugin</artifactId>
+            <executions>
+                <execution>
+                    <phase>package</phase>
+                    <goals>
+                        <goal>single</goal>
+                    </goals>
+                </execution>
+            </executions>
+            <configuration>
+                <descriptorRefs>
+                    <!-- This tells Maven to include all dependencies -->
+                    <descriptorRef>jar-with-dependencies</descriptorRef>
+                </descriptorRefs>
+                <archive>
+                    <manifest>
+                        <mainClass>mx.uv.App</mainClass>
+                    </manifest>
+                </archive>
+            </configuration>
         </plugin>
-        <plugin>
-          <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.22.1</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-jar-plugin</artifactId>
-          <version>3.0.2</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-install-plugin</artifactId>
-          <version>2.5.2</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-deploy-plugin</artifactId>
-          <version>2.8.2</version>
-        </plugin>
-        <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
-        <plugin>
-          <artifactId>maven-site-plugin</artifactId>
-          <version>3.7.1</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-project-info-reports-plugin</artifactId>
-          <version>3.0.0</version>
-        </plugin>
-      </plugins>
-    </pluginManagement>
+    </plugins>
   </build>
-</project>
+</project>
\ No newline at end of file
diff --git a/backend/src/main/java/mx/uv/App.java b/backend/src/main/java/mx/uv/App.java
index a2d3cff..807da20 100644
--- a/backend/src/main/java/mx/uv/App.java
+++ b/backend/src/main/java/mx/uv/App.java
@@ -1,13 +1,28 @@
 package mx.uv;
+import static spark.Spark.*;
 
-/**
- * Hello world!
- *
- */
+import java.util.HashMap;
+import java.util.UUID;
+
+import  com.google.gson.*;
 public class App 
 {
     public static void main( String[] args )
     {
         System.out.println( "Hello World!" );
+        //port(80);
+
+        get("/usuarios", (request, response) ->{
+            response.type("application/json");
+            JsonObject respuesta = new JsonObject();
+            respuesta.addProperty("msj", "");
+            return respuesta;
+        });
+        post("/usuarios", (request, response) ->{
+            String payload = request.body();
+            JsonObject respuesta = new JsonObject();
+            respuesta.addProperty("msj", "");
+            return respuesta;
+        });
     }
 }