diff --git a/healthmanager_back/pom.xml b/healthmanager_back/pom.xml
new file mode 100644
index 0000000..a57ccbe
--- /dev/null
+++ b/healthmanager_back/pom.xml
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>mx.uv</groupId>
+  <artifactId>healthmanager_back</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <name>healthmanager_back</name>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <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>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <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>2.8.6</version>
+    </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 -->
+        <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>
+        </plugin>
+        <plugin>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <version>3.8.0</version>
+        </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>
+  </build>
+</project>
diff --git a/healthmanager_back/src/main/java/mx/uv/App.java b/healthmanager_back/src/main/java/mx/uv/App.java
new file mode 100644
index 0000000..ff65019
--- /dev/null
+++ b/healthmanager_back/src/main/java/mx/uv/App.java
@@ -0,0 +1,37 @@
+package mx.uv;
+
+import com.google.gson.JsonObject;
+import static spark.Spark.*;
+import java.util.HashMap;
+import com.google.gson.Gson;
+
+/**
+ * Hello world!
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        System.out.println( "HEALTH MANAGER BACK END CORRIENDO..." );
+
+        //CORS
+        options("/*", (request, response) -> {
+
+            String accessControlRequestHeaders = request.headers("Access-Control-Request-Headers");
+            if (accessControlRequestHeaders != null) {
+                response.header("Access-Control-Allow-Headers", accessControlRequestHeaders);
+            }
+
+            String accessControlRequestMethod = request.headers("Access-Control-Request-Method");
+            if (accessControlRequestMethod != null) {
+                response.header("Access-Control-Allow-Methods", accessControlRequestMethod);
+            }
+
+            return "OK";
+        });
+
+        before((request, response) -> response.header("Access-Control-Allow-Origin", "*"));
+        //CORS
+    }
+}
diff --git a/healthmanager_back/src/main/java/mx/uv/Conexion.java b/healthmanager_back/src/main/java/mx/uv/Conexion.java
new file mode 100644
index 0000000..f2671db
--- /dev/null
+++ b/healthmanager_back/src/main/java/mx/uv/Conexion.java
@@ -0,0 +1,5 @@
+package mx.uv;
+
+public class Conexion {
+    
+}
diff --git a/healthmanager_back/src/main/java/mx/uv/DAO.java b/healthmanager_back/src/main/java/mx/uv/DAO.java
new file mode 100644
index 0000000..18bbb07
--- /dev/null
+++ b/healthmanager_back/src/main/java/mx/uv/DAO.java
@@ -0,0 +1,5 @@
+package mx.uv;
+
+public class DAO {
+    
+}
diff --git a/healthmanager_back/src/main/java/mx/uv/Usuario.java b/healthmanager_back/src/main/java/mx/uv/Usuario.java
new file mode 100644
index 0000000..c12c962
--- /dev/null
+++ b/healthmanager_back/src/main/java/mx/uv/Usuario.java
@@ -0,0 +1,5 @@
+package mx.uv;
+
+public class Usuario {
+    
+}
diff --git a/healthmanager_back/src/test/java/mx/uv/AppTest.java b/healthmanager_back/src/test/java/mx/uv/AppTest.java
new file mode 100644
index 0000000..6284b29
--- /dev/null
+++ b/healthmanager_back/src/test/java/mx/uv/AppTest.java
@@ -0,0 +1,20 @@
+package mx.uv;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+{
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue()
+    {
+        assertTrue( true );
+    }
+}
diff --git a/healthmanager_back/target/classes/mx/uv/App.class b/healthmanager_back/target/classes/mx/uv/App.class
new file mode 100644
index 0000000..6c7308e
Binary files /dev/null and b/healthmanager_back/target/classes/mx/uv/App.class differ
diff --git a/healthmanager_back/target/classes/mx/uv/Conexion.class b/healthmanager_back/target/classes/mx/uv/Conexion.class
new file mode 100644
index 0000000..0008b41
Binary files /dev/null and b/healthmanager_back/target/classes/mx/uv/Conexion.class differ
diff --git a/healthmanager_back/target/classes/mx/uv/DAO.class b/healthmanager_back/target/classes/mx/uv/DAO.class
new file mode 100644
index 0000000..555a5d1
Binary files /dev/null and b/healthmanager_back/target/classes/mx/uv/DAO.class differ
diff --git a/healthmanager_back/target/classes/mx/uv/Usuario.class b/healthmanager_back/target/classes/mx/uv/Usuario.class
new file mode 100644
index 0000000..d4828ef
Binary files /dev/null and b/healthmanager_back/target/classes/mx/uv/Usuario.class differ
diff --git a/healthmanager_back/target/test-classes/mx/uv/AppTest.class b/healthmanager_back/target/test-classes/mx/uv/AppTest.class
new file mode 100644
index 0000000..bd234c7
Binary files /dev/null and b/healthmanager_back/target/test-classes/mx/uv/AppTest.class differ