diff --git a/Dockerfile b/Dockerfile
index cd0ce9f..3f11de4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,10 +34,9 @@ RUN curl -fSL -o pyenv-installer ${PYENV_INSTALLER_URL}              &&\
     pip install -r /tmp/requirements.txt
 
 USER root
-WORKDIR /data/
 COPY src/frontend /data/
-RUN yarn install --frozen-lockfile
-RUN yarn build --no-progress
+RUN cd /data && yarn install --frozen-lockfile
+RUN cd /data && yarn build --no-progress
 
 ENV TFW_PUBLIC_PORT=8888          \
     TFW_WEB_PORT=4242             \
@@ -55,7 +54,8 @@ ENV PYTHONPATH="/usr/local/lib/"                                           \
     TFW_SUPERVISOR_HTTP_URI="http://localhost:${TFW_SUPERVISOR_HTTP_PORT}" \
     TFW_SUPERVISORD_CONF="/etc/supervisor/supervisord.conf"                \
     TFW_SUPERVISORD_COMPONENTS="/etc/supervisor/conf"                      \
-    TFW_NGINX_CONF="/etc/nginx/sites-enabled/default"                      \
+    TFW_NGINX_CONF="/etc/nginx/nginx.conf"                                 \
+    TFW_NGINX_DEFAULT="/etc/nginx/sites-enabled/default"                   \
     TFW_NGINX_COMPONENTS="/etc/nginx/components"                           \
     TFW_LIB_DIR="/usr/local/lib/"                                          \
     TFW_CONTROLLER_DIR="/srv/controller"                                   \
@@ -74,17 +74,18 @@ RUN echo "shopt -s cmdhist\n"                 \
     >> /home/${AVATAO_USER}/.bashrc
 
 COPY nginx/nginx.conf ${TFW_NGINX_CONF}
+COPY nginx/default.conf ${TFW_NGINX_DEFAULT}
 COPY nginx/components/ ${TFW_NGINX_COMPONENTS}
-RUN chown -R ${AVATAO_USER} /var/log/nginx /var/lib/nginx                               &&\
-    sed -i 's#pid /run/nginx.pid;#pid /tmp/nginx.pid;#g' /etc/nginx/nginx.conf          &&\
-    for f in "${TFW_NGINX_CONF}" ${TFW_NGINX_COMPONENTS}/*.conf; do                    \
-        envsubst "$(printenv | cut -d= -f1 | grep TFW_ | sed -e 's/^/$/g')" < $f > $f ;\
+RUN chown -R ${AVATAO_USER} /var/log/nginx /var/lib/nginx                                          &&\
+    for f in "${TFW_NGINX_DEFAULT}" ${TFW_NGINX_COMPONENTS}/*.conf; do                               \
+        envsubst "$(printenv | cut -d= -f1 | grep TFW_ | sed -e 's/^/$/g')" < $f > $f~ && mv $f~ $f ;\
     done
 
 COPY supervisor/supervisord.conf ${TFW_SUPERVISORD_CONF}
 COPY supervisor/components/ ${TFW_SUPERVISORD_COMPONENTS}
 COPY lib ${TFW_LIB_DIR}
 COPY src/controller ${TFW_CONTROLLER_DIR}
+RUN mv /data/dist ${TFW_FRONTEND_DIR} && rm -rf /data
 
 ### TFW internals ^ ### DEMO v ###############################################################
 
@@ -93,17 +94,17 @@ ENV TFW_APP_DIR="/srv/app"                          \
     TFW_WEBIDE_WD="/home/${AVATAO_USER}/workdir"    \
     TFW_TERMINADO_WD="/home/${AVATAO_USER}/workdir"
 
-RUN mv /data/dist ${TFW_FRONTEND_DIR}
-
 COPY src/demo ${TFW_APP_DIR}/
 
 COPY src/demo/source_code_server/server.py ${TFW_LOGIN_APP_DIR}/
 COPY src/demo/source_code_server/users.db ${TFW_LOGIN_APP_DIR}/
 COPY src/demo/source_code_server/login_component.py ${TFW_WEBIDE_WD}/
 
-RUN chown -R ${AVATAO_USER} ${TFW_WEBIDE_WD} && chmod -R 755 ${TFW_WEBIDE_WD}
+RUN chown -R ${AVATAO_USER} ${TFW_WEBIDE_WD} &&\
+    chmod -R 755 ${TFW_WEBIDE_WD}
 
 USER ${AVATAO_USER}
+VOLUME ["/etc/nginx", "/home/${AVATAO_USER}", "/var/lib/nginx", "/var/log/nginx"]
 WORKDIR /home/${AVATAO_USER}
 
 CMD . "$HOME/.pyenvrc" && exec supervisord --nodaemon
diff --git a/lib/tfw/components/source_code_event_handler.py b/lib/tfw/components/source_code_event_handler.py
index 4915887..5ff61e8 100644
--- a/lib/tfw/components/source_code_event_handler.py
+++ b/lib/tfw/components/source_code_event_handler.py
@@ -106,7 +106,7 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
             except IndexError:
                 data['content'] = 'No files in this directory :('
         except EnvironmentError:
-            log.exception('Failed to select directory "{}"'.format(data['directory']))
+            log.error('Failed to select directory "{}"'.format(data['directory']))
         return data
 
     def attach_fileinfo(self, data):
diff --git a/lib/tfw/event_handler_base.py b/lib/tfw/event_handler_base.py
index 93172ce..768c1f6 100644
--- a/lib/tfw/event_handler_base.py
+++ b/lib/tfw/event_handler_base.py
@@ -1,18 +1,7 @@
-from itertools import cycle
-
 from tfw.networking.serialization import deserialize_all
 from tfw.networking.event_handlers.server_connector import ServerConnector
 
 
-def cenator():
-    yield from [
-        '**Your time is up**',
-        '`My time is now`',
-        '_You can\'t see me_',
-        'My time is now'
-    ]
-
-
 class EventHandlerBase:
     def __init__(self, key):
         self.server_connector = ServerConnector()
@@ -21,13 +10,9 @@ class EventHandlerBase:
         self.subscribe(self.key)
         self.subscribe('reset')
         self.server_connector.register_callback(self.event_handler_callback)
-        self.cenerator = cycle(cenator())
 
     def event_handler_callback(self, msg_parts):
         key, message = deserialize_all(*msg_parts)
-        from .message_sender import MessageSender
-        ms = MessageSender()
-        ms.send('avataobot', next(self.cenerator))
         response = self.dispatch_handling(key, message)
         if response is None: return
         self.server_connector.send(key, response)
diff --git a/lib/tfw/networking/event_handlers/server_connector.py b/lib/tfw/networking/event_handlers/server_connector.py
index 7c3fcb3..09290fb 100644
--- a/lib/tfw/networking/event_handlers/server_connector.py
+++ b/lib/tfw/networking/event_handlers/server_connector.py
@@ -25,6 +25,10 @@ class ServerUplinkConnector(ZMQConnectorBase):
         self._zmq_push_socket = self._zmq_context.socket(zmq.PUSH)
         self._zmq_push_socket.connect('tcp://localhost:{}'.format(tfwenv.RECEIVER_PORT))
 
+    def send_to_eventhandler(self, key, response):
+        response['data']['key'] = key
+        self.send('mirror', response)
+
     def send(self, key, response):
         response['key'] = key
         self._zmq_push_socket.send_multipart(serialize_all(key, response))
diff --git a/lib/tfw/networking/server/zmq_websocket_handler.py b/lib/tfw/networking/server/zmq_websocket_handler.py
index de2932e..017040e 100644
--- a/lib/tfw/networking/server/zmq_websocket_handler.py
+++ b/lib/tfw/networking/server/zmq_websocket_handler.py
@@ -21,12 +21,23 @@ class ZMQWebSocketHandler(WebSocketHandler):
         log.debug('WebSocket connection initiated')
         self._event_handler_connector.register_callback(self.zmq_callback)
 
-    @staticmethod
-    def zmq_callback(msg_parts):
+    @classmethod
+    def zmq_callback(cls, msg_parts):
+        keyhandlers = {'mirror': cls.mirror}
+
         key, data = deserialize_all(*msg_parts)
         log.debug('Received on pull socket: {}'.format(data))
-        for instance in ZMQWebSocketHandler.instances:
-            instance.write_message(data)
+        if key not in keyhandlers:
+            for instance in cls.instances:
+                instance.write_message(data)
+        else:
+            try: keyhandlers[key](data['data'])
+            except KeyError: log.error('Invalid mirror message format! Ignoring.')
+
+    @classmethod
+    def mirror(cls, data):
+        key = data['key']
+        cls._event_handler_connector.send_message({'data': data}, key)
 
     def on_message(self, message):
         log.debug('Received on WebSocket: {}'.format(message))
diff --git a/nginx/default.conf b/nginx/default.conf
new file mode 100644
index 0000000..563bced
--- /dev/null
+++ b/nginx/default.conf
@@ -0,0 +1,22 @@
+server {
+    listen ${TFW_PUBLIC_PORT};
+    server_name localhost;
+    proxy_connect_timeout 7d;
+    proxy_send_timeout 7d;
+    proxy_read_timeout 7d;
+
+    location = /ws {
+        proxy_pass http://127.0.0.1:${TFW_WEB_PORT};
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "Upgrade";
+    }
+
+    include ${TFW_NGINX_COMPONENTS}/*.conf;
+
+    location / {
+        index index.html;
+        try_files $uri $uri/ /index.html =404;
+        root ${TFW_FRONTEND_DIR};
+    }
+}
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index ea60388..5d1e5ec 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -1,21 +1,24 @@
-server {
-    listen ${TFW_PUBLIC_PORT};
-    server_name localhost;
-    proxy_connect_timeout 7d;
-    proxy_send_timeout 7d;
-    proxy_read_timeout 7d;
+worker_processes auto;
+pid /tmp/nginx.pid;
 
-    location = /ws {
-        proxy_pass http://127.0.0.1:${TFW_WEB_PORT};
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "Upgrade";
-    }
-
-    include ${TFW_NGINX_COMPONENTS}/*.conf;
-
-    location / {
-        root ${TFW_FRONTEND_DIR};
-        try_files $uri $uri/ index.html;
-    }
+events
+{
+    worker_connections 1024;
+}
+
+http
+{
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    access_log /dev/stdout;
+    error_log /dev/stderr;
+
+    include /etc/nginx/conf.d/*.conf;
+    include /etc/nginx/sites-enabled/*;
 }
diff --git a/src/demo/event_handler_main.py b/src/demo/event_handler_main.py
index 6cb9c8a..ad5e9ce 100644
--- a/src/demo/event_handler_main.py
+++ b/src/demo/event_handler_main.py
@@ -4,14 +4,32 @@ from tfw.components.source_code_event_handler import SourceCodeEventHandler
 from tfw.components.terminado_event_handler import TerminadoEventHandler
 from tfw.components.process_managing_event_handler import ProcessManagingEventHandler
 from tfw.config import tfwenv
+from tfw.message_sender import MessageSender
+from tfw.networking.event_handlers.server_connector import ServerUplinkConnector
 from tfw.config.logs import logging
 log = logging.getLogger(__name__)
 
 
+def cenator(history):
+    log.debug('User executed command: "{}"'.format(history[-1]))
+    MessageSender().send('JOHN CENA', 'You\'ve executed "{}"'.format(history[-1]))
+
+
+def selectdir(history):
+    try:
+        cmd = history[-1].split()
+        if cmd[0] == 'selectdir':
+            ServerUplinkConnector().send_to_eventhandler('webide',
+                                                         {'data': {'command': 'selectdir',
+                                                                   'directory': cmd[1]}})
+    except Exception:
+        log.exception('Selectdir failed!')
+
 if __name__ == '__main__':
     ide = SourceCodeEventHandler(key='webide', directory=tfwenv.WEBIDE_WD, exclude=['__pycache__'])
     terminado = TerminadoEventHandler(key='shell')
-    terminado.historymonitor.subscribe_callback(callback=lambda hist: log.debug('User executed command: "{}"'.format(hist[-1])))
+    terminado.historymonitor.subscribe_callback(cenator)
+    terminado.historymonitor.subscribe_callback(selectdir)
     processmanager = ProcessManagingEventHandler(key='processmanager', dirmonitor=ide.monitor)
 
     eventhandlers = {ide, terminado, processmanager}