diff --git a/practica-2/DuckBoard/src/java/servlets/Chats.java b/practica-2/DuckBoard/src/java/servlets/Chats.java
@@ -0,0 +1,121 @@
+package servlets;
+
+import database.chat.exceptions.ChatDoesNotExistException;
+import database.chat.exceptions.UserNotInPartyException;
+import database.www.exceptions.UserDoesNotExistException;
+import java.io.IOException;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import model.Chat;
+import model.Message;
+import org.bson.types.ObjectId;
+import org.json.JSONArray;
+import org.json.JSONObject;
+import servlets.tools.Helper;
+
+@WebServlet(name = "Chats", urlPatterns = {"/chats/*"})
+public class Chats extends HttpServlet {
+
+  protected ObjectId getChatId(HttpServletRequest request) {
+    try { // rewrite all this bullshit
+      String  [] path = request.getPathInfo().split("/");
+
+      if (path.length == 2) {
+        return new ObjectId(path[1]);
+      }
+    } catch (NullPointerException e) {}
+
+    return null;
+  }
+
+  /**
+   * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    // Logged user, sino redirect
+  }
+
+  /**
+   * Handles the HTTP <code>GET</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doGet(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+
+    if (Helper.isAjax(request)) {
+      try {
+        int userId = 1; // get userid of the session
+        // add getParameterers unread and focus
+
+        JSONArray JSONChats = new JSONArray();
+
+        List<Chat> chats = Chat.retrieveChatsByUserPk(userId);
+        for (Chat chat : chats) {
+          JSONObject object = new JSONObject();
+
+          String [] attrs = new String[2];
+
+          attrs[0] = Integer.toString(chat.countUnreadMessages(userId));
+          object.put("count", attrs[0]);
+
+          List<Message> messages = chat.getMessages();
+          attrs[1] = messages.size() > 0 ? messages.get(0).getText() : "";
+          object.put("last_msg", attrs[1]);
+
+          JSONObject JSONChat = new JSONObject().put(chat.toString(), object);
+          JSONChats.put(JSONChat);
+        }
+
+        response.setContentType("application/json;charset=UTF-8");
+        JSONChats.write(response.getWriter());
+		response.getWriter().close();
+      } catch (UserDoesNotExistException | ChatDoesNotExistException | UserNotInPartyException ex) {
+        Logger.getLogger(Chats.class.getName()).log(Level.SEVERE, null, ex);
+      }
+    } else {
+      //ObjectId chatId = getChatId(request);
+    }
+  }
+
+  /**
+   * Handles the HTTP <code>POST</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doPost(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Returns a short description of the servlet.
+   *
+   * @return a String containing servlet description
+   */
+  @Override
+  public String getServletInfo() {
+    return "Short description";
+  }
+}
diff --git a/practica-2/DuckBoard/src/java/servlets/Login.java b/practica-2/DuckBoard/src/java/servlets/Login.java
@@ -0,0 +1,37 @@
+package servlets;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet(name = "Login", urlPatterns = {"/login"})
+public class Login extends HttpServlet {
+
+  /**
+   * Handles the HTTP <code>POST</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doPost(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    response.getOutputStream().println("TU TE VOLS LOGUEAR MADAFAKA!!!");
+  }
+
+  /**
+   * Returns a short description of the servlet.
+   *
+   * @return a String containing servlet description
+   */
+  @Override
+  public String getServletInfo() {
+    return "Short description";
+  }
+}
diff --git a/...2/DuckBoard/src/java/servlets/Signup.java → ...DuckBoard/src/java/servlets/Messages.java b/...2/DuckBoard/src/java/servlets/Signup.java → ...DuckBoard/src/java/servlets/Messages.java
@@ -1,78 +1,78 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package servlets;
-
-import java.io.IOException;
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-/**
- *
- * @author Guillem Barceló
- */
-@WebServlet(name = "Signup", urlPatterns = {"/Signup"})
-public class Signup extends HttpServlet {
-
-  /**
-   * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
-   *
-   * @param request servlet request
-   * @param response servlet response
-   * @throws ServletException if a servlet-specific error occurs
-   * @throws IOException if an I/O error occurs
-   */
-  protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-
-    String n = request.getParameter("userName");
-    String p = request.getParameter("userPassword");
-
-    response.sendRedirect("Successful.jsp");
-  }
-
-  // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
-  /**
-   * Handles the HTTP <code>GET</code> method.
-   *
-   * @param request servlet request
-   * @param response servlet response
-   * @throws ServletException if a servlet-specific error occurs
-   * @throws IOException if an I/O error occurs
-   */
-  @Override
-  protected void doGet(HttpServletRequest request, HttpServletResponse response)
-          throws ServletException, IOException {
-    processRequest(request, response);
-  }
-
-  /**
-   * Handles the HTTP <code>POST</code> method.
-   *
-   * @param request servlet request
-   * @param response servlet response
-   * @throws ServletException if a servlet-specific error occurs
-   * @throws IOException if an I/O error occurs
-   */
-  @Override
-  protected void doPost(HttpServletRequest request, HttpServletResponse response)
-          throws ServletException, IOException {
-
-    processRequest(request, response);
-  }
-
-  /**
-   * Returns a short description of the servlet.
-   *
-   * @return a String containing servlet description
-   */
-  @Override
-  public String getServletInfo() {
-    return "Short description";
-  }// </editor-fold>
-
-}
+package servlets;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet(name = "Messages", urlPatterns = {"/chat/messages/*"}) // magradaria fer un canvi, pero me pareix que no podrem
+public class Messages extends HttpServlet {
+
+  /**
+   * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    response.setContentType("text/html;charset=UTF-8");
+    try (PrintWriter out = response.getWriter()) {
+      /* TODO output your page here. You may use following sample code. */
+      out.println("<!DOCTYPE html>");
+      out.println("<html>");
+      out.println("<head>");
+      out.println("<title>Servlet Messages</title>");      
+      out.println("</head>");
+      out.println("<body>");
+      out.println("<h1>Servlet Messages at " + request.getContextPath() + "</h1>");
+      out.println("</body>");
+      out.println("</html>");
+    }
+  }
+
+  // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
+  /**
+   * Handles the HTTP <code>GET</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doGet(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Handles the HTTP <code>POST</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doPost(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Returns a short description of the servlet.
+   *
+   * @return a String containing servlet description
+   */
+  @Override
+  public String getServletInfo() {
+    return "Short description";
+  }// </editor-fold>
+
+}
diff --git a/practica-2/DuckBoard/src/java/servlets/Users.java b/practica-2/DuckBoard/src/java/servlets/Users.java
@@ -0,0 +1,109 @@
+package servlets;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import servlets.tools.Helper;
+
+@WebServlet(name = "Users", urlPatterns = {"/admin/users/*", "/users"})
+public class Users extends HttpServlet {
+
+  /**
+   * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    // Logged and administrator check, if not redirect to /
+    // ojo si es ajax nomes logged
+    //response.setContentType("text/html;charset=UTF-8");
+    //response.getWriter().println("Dali Cebes");
+  }
+
+  /**
+   * Handles the HTTP <code>GET</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doGet(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+
+
+
+    response.setContentType("text/html;charset=UTF-8");
+
+    if (Helper.isAjax(request) && request.getRequestURI().equals("/users")) {
+      // cercador usuaris
+      String parameter = request.getParameter("q");
+      response.getWriter().println("Parametre: " + parameter);
+    } else {
+      //llistat de usuaris per l'admin
+      response.getWriter().println("Super listado loco");
+    }
+  }
+
+  /**
+   * Handles the HTTP <code>POST</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doPost(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Handles the HTTP <code>PUT</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doPut(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Handles the HTTP <code>Delete</code> method.
+   *
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doDelete(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Returns a short description of the servlet.
+   *
+   * @return a String containing servlet description
+   */
+  @Override
+  public String getServletInfo() {
+    return "Short description";
+  }// </editor-fold>
+
+}
diff --git a/practica-2/DuckBoard/src/java/servlets/tools/Helper.java b/practica-2/DuckBoard/src/java/servlets/tools/Helper.java
@@ -0,0 +1,15 @@
+package servlets.tools;
+
+import javax.servlet.http.HttpServletRequest;
+
+public class Helper {
+
+  public static boolean isAjax(HttpServletRequest request) {
+    return "XMLHttpRequest".equals(request.getHeader("X-Requested-With"));
+  }
+
+  // TO DO
+  public static boolean isAdmin(HttpServletRequest request) {
+    return true;
+  }
+}
diff --git a/practica-2/DuckBoard/web/Successful.jsp b/practica-2/DuckBoard/web/Successful.jsp
diff --git a/practica-2/DuckBoard/web/WEB-INF/glassfish-web.xml b/practica-2/DuckBoard/web/WEB-INF/glassfish-web.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glassfish-web-app PUBLIC "-//GlassFish.org//DTD GlassFish Application Server 3.1 Servlet 3.0//EN" "http://glassfish.org/dtds/glassfish-web-app_3_0-1.dtd">
+<glassfish-web-app error-url="">
+  <context-root>/</context-root>
+  <class-loader delegate="true"/>
+  <jsp-config>
+    <property name="keepgenerated" value="true">
+      <description>Keep a copy of the generated servlet class' java code.</description>
+    </property>
+  </jsp-config>
+</glassfish-web-app>
diff --git a/practica-2/DuckBoard/web/index.jsp b/practica-2/DuckBoard/web/index.jsp
diff --git a/practica-2/DuckBoard/web/login.jsp b/practica-2/DuckBoard/web/login.jsp
diff --git a/practica-2/DuckBoard/web/signup.jsp b/practica-2/DuckBoard/web/signup.jsp
diff --git a/practica-2/docker-compose.yml b/practica-2/docker-compose.yml
@@ -0,0 +1,17 @@
+maria:
+  image: mariadb:10.1
+  environment:
+    - MYSQL_ROOT_PASSWORD=supersecret-password
+    - MYSQL_USER=interficies
+    - MYSQL_PASSWORD=living-on-the-edge
+  volumes:
+    - /opt/interficies/mysql:/var/lib/mysql
+  ports:
+    - 3306:3306
+
+mongo:
+  image: mongo:3.2
+  volumes:
+    - /opt/interficies/mysql:/data/db
+  ports:
+    - 27017:27017