diff --git a/.gitignore b/.gitignore
index d1a9d74..eae167d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,13 +58,6 @@ old/
 
 out.*
 
-OLD/*
-*_OLD*
-*_ORIG*
-*.ORIG
-TMP/*
-
-client.log
 
 docker/*.env
 
@@ -102,5 +95,18 @@ TOKEN
 *.modif.*
 *.moi
 *.moi.*
+*.me.*
+*.me
+*.me?
+*.old
+*.OLD
+OLD/*
+*_OLD*
+*_ORIG*
+*.ORIG
+*.ORIG?
+TMP/*
+___*
+client.log
 
 #privatedev/plugin/agent/triton/triton/CATALOGUES
diff --git a/Dockerfile b/Dockerfile
index 360a9a0..7f2f9a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,7 +68,7 @@ RUN cd /usr/bin && ln -s python3 python
 #RUN apt-get install -y python3-pip
 RUN curl -sS https://bootstrap.pypa.io/get-pip.py | python3.10
 #RUN pip3 install --upgrade pip
-RUN python3.10 -m pip install --upgrade pip
+RUN python3 -m pip install --upgrade pip
 
 
 
@@ -155,11 +155,11 @@ CMD ["x11vnc", "-create", "-forever"]
 
 
 
-
-
 # Get IRAP self signed certificate
 RUN echo | openssl s_client -connect gitlab.irap.omp.eu:443 -servername gitlab.irap.omp.eu 2>/dev/null | openssl x509 > /etc/ssl/certs/gitlab.irap.omp.eu.crt
 
+
+
 #################################
 # PyROS user (better than root) #
 #################################
@@ -178,8 +178,6 @@ USER pyros_user
 # TODO: pourquoi numpy ??? A virer ?
 #RUN pip install --user numpy
 
-
-
 # Copy local host machine files to image
 COPY --chown=pyros_user:pyros_user . .
 # Copy some aliases
@@ -190,9 +188,12 @@ RUN cp .bash_aliases ..
 # Adding local/bin to path to avoid pip warning
 ENV PATH "$PATH:/home/pyros_user/.local/bin"
 
+
 # Installing click on the image to prevent error on the first execution of the installation script
-RUN python3.10 -m pip  install --user click
-RUN python3.10 -m pip  install --user setuptools==58
+RUN python3 -m pip  install --user click
+
+RUN python3 -m pip  install --user setuptools==58
+
 # (EP 23/3/2022) Installing pip-tools for the management of all the requirements*.txt files (python dependencies packages)
 # NB :
 # - pip-tools generates a smarter and smaller requirements.txt file than the traditional "pip freeze"
@@ -200,14 +201,14 @@ RUN python3.10 -m pip  install --user setuptools==58
 # - Unfortunatly, it is difficult to use with several requirements*.txt files as it is the case for this software : pyros + sphinx + guitastro...
 # - So we cannot yet use it completely and still have to use the traditional "pip install -r" anyway ...
 # - But we can at least use it to generate all the requirements*.txt files in a far better format
-RUN python3.10 -m pip  install --user pip-tools
+RUN python3 -m pip  install --user pip-tools
 
 # Installing packages required for Guitastro
 RUN pip-compile ./vendor/guitastro/install/requirements.in 
-RUN python3.10 -m pip  install --user -r ./vendor/guitastro/install/requirements.txt
+RUN python3 -m pip  install --user -r ./vendor/guitastro/install/requirements.txt
 # Maybe unnecessary because same requirements as for pyros requirements_dev (?)
 #RUN pip install --user -r ./vendor/guitastro/install/requirements_dev.txt
 
 # Installing packages required for PyROS
-RUN python3.10 -m pip  install --user -r ./install/requirements.txt
-RUN python3.10 -m pip  install --user -r ./install/requirements_dev.txt
+RUN python3 -m pip  install --user -r ./install/requirements.txt
+RUN python3 -m pip  install --user -r ./install/requirements_dev.txt
diff --git a/docker/PYROS_DOCKER_INSTALL b/docker/PYROS_DOCKER_INSTALL
index af693df..266626f 100755
--- a/docker/PYROS_DOCKER_INSTALL
+++ b/docker/PYROS_DOCKER_INSTALL
@@ -1,24 +1,22 @@
 #!/usr/bin/env bash
 
 # if no container is running
-if ! [ $(docker ps | grep 'pyros' | wc -l) -eq 4 ]
-then
+if ! [ $(docker ps | grep 'pyros' | wc -l) -eq 4 ] ; then
     echo "pyros-db or pyros weren't running, starting them..."
     ./PYROS_DOCKER_START.bat
 fi
 
 # while db container isn't ready to execute queries, wait 5 seconds
-if ! docker inspect pyros-db --format='{{.State.Health.Status}}' | grep -q 'healthy'
-then
+#if ! docker inspect pyros-db --format='{{.State.Health.Status}}' | grep -q 'healthy' ; then
+#fi
+while ! docker inspect pyros-db --format='{{.State.Health.Status}}' | grep -q 'healthy' ; do
     echo "db service isn't ready yet, waiting until it's ready..."
-fi
-while ! docker inspect pyros-db --format='{{.State.Health.Status}}' | grep -q 'healthy'
-do
     sleep 5
     heal_status=$(docker inspect pyros-db --format='{{.State.Health.Status}}')
     echo "Current status : $heal_status"
 done
 
-# db container is ready to execture queries, we can start the installation
+# db container is ready to execture queries
+# We can now start the installation
 docker-compose exec pyros python3 pyros.py install
 
diff --git a/docker/PYROS_DOCKER_RUN_WEBSERVER_ONLY b/docker/PYROS_DOCKER_RUN_WEBSERVER_ONLY
index da1bad7..a8bcefb 100755
--- a/docker/PYROS_DOCKER_RUN_WEBSERVER_ONLY
+++ b/docker/PYROS_DOCKER_RUN_WEBSERVER_ONLY
@@ -1,11 +1,13 @@
 #!/usr/bin/env bash
 
 #if no container is running
-if ! [ $(docker ps | grep 'pyros' | wc -l) -eq 4 ]
-then
+if ! [ $(docker ps | grep 'pyros' | wc -l) -eq 4 ] ; then
     echo "pyros-db or pyros weren't running, starting them..."
     ./PYROS_DOCKER_START.bat
 fi
-docker-compose exec pyros python3 pyros.py -d start webserver $@
+
+docker compose exec pyros python3 pyros.py -d start webserver $@
+#docker-compose exec pyros python3 pyros.py -d start webserver $@
+#docker compose exec pyros python3 pyros.py -d start -o tnc -fg webserver $@
 #docker exec -it pyros python3 pyros.py start webserver $@
 #docker exec -it pyros python3 pyros.py -d start -o tnc webserver $@
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index b61de04..64baff7 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -1,12 +1,23 @@
 version: "3.9"
 
 services:
+
+  #######################
+  # MYSQL - DBMS
+  #######################
   db:
     # if we're using mysql >= 8, some of sql queries aren't valid anymore, like for creating and grant an user at the same time
     # This is fixed in pyros.py
+    container_name: pyros-db
     image: mysql:8.0.28
-    command: --default-authentication-plugin=mysql_native_password
     restart: always
+    command: --default-authentication-plugin=mysql_native_password
+    environment:
+      # note : as db is an image of mysql, this root password will be set on the first installation on the image, if the value is changed, it will not be updated in the database
+      - "MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD:-root}"
+      - VNC_NO_PASSWORD=1
+    volumes:
+      - db:/var/lib/mysql/
     deploy:  
       restart_policy:
         condition: on-failure
@@ -15,29 +26,26 @@ services:
           limits:
             cpus: '0.5'
             memory: 1GB
-            #pids: 1
-    container_name: pyros-db
-    environment:
-      # note : as db is an image of mysql, this root password will be set on the first installation on the image, if the value is changed, it will not be updated in the database
-      - "MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD:-root}"
-      - VNC_NO_PASSWORD=1
-    volumes:
-      - db:/var/lib/mysql/
+            #pids: 1      
     # create network to allow images to communicate with other images within the same network 
     # networks: 
     #   pyros-network: 
     #     ipv4_address: 172.19.0.2
-
     healthcheck:
       test: ["CMD", 'mysqladmin', 'ping', '-h', 'db', '-u', 'root', '-p$$MYSQL_ROOT_PASSWORD' ]
       timeout: 10s
       interval: 5s
       retries: 20
 
+  ######################################################
+  # REDIS - in memory communication bus (for websockets)
+  ######################################################
   redis:
     container_name: pyros-redis
     image: redis:latest
     restart: always
+    ports:
+      - "6379:6379"
     deploy:  
       restart_policy:
         condition: on-failure
@@ -46,9 +54,7 @@ services:
           limits:
             cpus: '1'
             memory: 1GB
-            #pids: 1
-    ports:
-      - "6379:6379"
+            #pids: 1      
     healthcheck:
       test: ["CMD", "redis-cli","ping"]
       timeout: 10s
@@ -58,22 +64,19 @@ services:
     #   pyros-network:  
     #     ipv4_address: 172.19.0.5
 
-  # Service image of python, that lets users interact with python scripts such as pyros.
+  ######################################################
+  # PYROS (main image : docker_pyros) => defined in Dockerfile
+  # Ubuntu OS with Python3 and PyROS requirements installed
+  # PyROS will later be installed on this image with "pyros.py install" (PYROS_DOCKER_INSTALL)
+  ######################################################
   pyros:
+    container_name: pyros
+    restart: always    
     #read_only: true
     # app/pyros is equivalent to your PYROS_SOFT/PYROS/ directory
     # Change "pyros" to whatever you want for the PYROS/ dir name (if you do not want "PYROS")
     working_dir: 
       /home/pyros_user/app/pyros 
-    deploy:
-      restart_policy:
-        condition: on-failure
-        max_attempts: 5
-      resources:
-        limits:
-          cpus: '1'
-          memory: 8GB
-          #pids: 1
     # path to the Dockerfile of this image
     environment:
       # environment variables only for Docker
@@ -93,7 +96,6 @@ services:
         uid: ${CURRENT_UID}
       context: ..
         #filename: Dockerfile
-    container_name: pyros
     hostname: ${COMPUTER_HOSTNAME}
     # tty is the -t option in docker exec 
     tty: true
@@ -112,28 +114,47 @@ services:
     links:
       - db
       - redis
+    deploy:
+      restart_policy:
+        condition: on-failure
+        max_attempts: 5
+      resources:
+        limits:
+          cpus: '1'
+          memory: 8GB
+          #pids: 1      
     # create network to allow images to communicate with other images within the same network 
     # networks: 
     #   pyros-network:
     #     ipv4_address: 172.19.0.3
         #ipv4_address: "${IP_PYROS_USER}"
-    restart: always
     healthcheck:
       test: ["CMD", "python3","-V"]
       timeout: 10s
       interval: 5s
       retries: 20
 
-
+  ######################################################
+  # PHPMYADMIN (to interact manually with mysql db)
+  # (dev only)
+  ######################################################
   phpmyadmin:
-    image: phpmyadmin/phpmyadmin
     container_name: pyros-pma
+    image: phpmyadmin/phpmyadmin
+    restart: always    
     links:
       - db
     environment:
       PMA_HOST: db
       PMA_PORT: 3306
       PMA_ARBITRARY: 1
+    env_file: 
+      - .env
+    # networks: 
+    #   pyros-network:
+    #     ipv4_address: 172.19.0.4
+    ports:
+      - "${PHPMYADMIN_PORT:-8081}:80"
     deploy:  
       restart_policy:
         condition: on-failure
@@ -143,15 +164,6 @@ services:
             cpus: '1'
             memory: 1GB
             #pids: 1
-
-    env_file: 
-      - .env
-    restart: always
-    # networks: 
-    #   pyros-network:
-    #     ipv4_address: 172.19.0.4
-    ports:
-      - "${PHPMYADMIN_PORT:-8081}:80"
     healthcheck:
       test: ["CMD", 'mysqladmin', 'ping', '-h', 'db', '-u', 'root', '-p$$MYSQL_ROOT_PASSWORD' ]
       timeout: 10s
@@ -159,12 +171,16 @@ services:
       retries: 20
 
 
-
-# declaring volumes
+######################################################
+# Declaring volumes
+######################################################
 volumes:
   db:
     driver: local
-# declaring networks
+
+######################################################
+# Declaring networks
+######################################################
 # networks: 
 #   pyros-network:
 #     #bridge is the default network driver
diff --git a/src/core/pyros_django/majordome/doc/AgentMajordome_object_diag.pu b/src/core/pyros_django/majordome/doc/AgentMajordome_object_diag.pu
deleted file mode 100755
index df734f6..0000000
--- a/src/core/pyros_django/majordome/doc/AgentMajordome_object_diag.pu
+++ /dev/null
@@ -1,220 +0,0 @@
-
-@startuml
-
-!include <tupadr3/common>
-!include <tupadr3/font-awesome/server>
-
-
-
-/'
-UML class Diagram : can be displayed with PlantUML (plugin for Eclipse or for PyCharm)
-
-PlantUML:
-- How to install : https://projects.irap.omp.eu/projects/pyros/wiki/Project_Development#PlantUML
-- Eclipse plugin : http://plantuml.com/eclipse
-- class diagrams : http://plantuml.com/class-diagram
-- sequence diagrams : http://plantuml.com/sequence-diagram
-- state diagrams : http://plantuml.com/state-diagram
-- Use Case diagrams : http://plantuml.com/use-case-diagram
-- OLD Activity diagrams : http://plantuml.com/activity-diagram-legacy
-- NEW Activity diagrams : http://plantuml.com/activity-diagram-beta
-- Pre-processing (include...) : http://plantuml.com/preprocessing
-- GANTT diagrams : http://plantuml.com/gantt-diagram
-- REAL WORLD EXAMPLES !!! : https://real-world-plantuml.com/
-- For Python:
-    - https://github.com/SamuelMarks/python-plantuml
-    - https://pythonhosted.org/plantuml/
-
-UML diagrams theory : https://www.ibm.com/developerworks/rational/library/content/RationalEdge/sep04/bell/index.html
-'/
-
-title 
-__**PyROS class diagram (AgentMajordome example)**__
-'<size:10><i>Version 16-10-2019</i></size>'
-
-end title
-
-
-
-/' Allow to mix object/class diagram with other symbols like a "server" symbol '/
-allowmixing
-
-FA_SERVER(sbig_device,SBIG detector) #Red
-FA_SERVER(gemini_device,Gemini telescope) #Red
-
-
-
-/' ======= AgentMajordome & AgentDevices ======= '/
-
-class AgentMajordome <<Singleton>> #yellow
-AgentMajordome -u-|> Agent
-AgentDevice -u-|> Agent
-
-/' Aliases to AgentDevices '/
-object AD_Telescope1
-object AD_FilterSelector1
-object AD_Shutter1
-object AD_Sensor1
-object AD_Shutter2
-
-/' Use l,r,u,d for left, right, up, or down row alignement '/
-AgentMajordome -d-> AD_Telescope1 : sends cmd to
-AgentMajordome -d-> AD_FilterSelector1 : sends cmd to
-AgentMajordome -d-> AD_Shutter1 : sends cmd to
-AgentMajordome -d-> AD_Sensor1 : sends cmd to
-AgentMajordome -d-> AD_Shutter2 : sends cmd to
-
-
-class DeviceController {
-	ip, port
-	channel: ClientChannel
-	protocol: Protocol # abstract
-	gen2nat_cmds: Gen2NatCmds # abstract
-}
-
-class DC_Mount {
-	gen2nat_cmds: Gen2NatCmds # abstract
-}
-class DC_DetectorShutter {
-	gen2nat_cmds: Gen2NatCmds # abstract
-}
-class DC_DetectorSensor {
-	gen2nat_cmds: Gen2NatCmds # abstract
-}
-class DC_FilterSelector {
-	gen2nat_cmds: Gen2NatCmds # abstract
-}
-
-
-
-
-/' ======= CHANNELS ======= '/
-
-DeviceController "1" o-r- "0..1" DeviceSimulator
-
-DeviceController o-d- ClientChannel
-class ClientChannelSerial #lightred
-class ClientChannelSocket #lightred
-class ClientChannelUSB #lightred
-ClientChannel <|-- ClientChannelSerial
-ClientChannel <|-- ClientChannelSocket
-ClientChannel <|-- ClientChannelUSB
-
-
-/' ======= GEMINI controllers (& sim) ======= '/
-
-class AgentDeviceGemini #lightblue
-AgentDeviceGemini -u--|> AgentDevice
-
-/' Components (only 1) '/
-AD_Telescope1 -d-> AgentDeviceGemini :alias of
-
-/'DC_Mount o-left- DS_Mount'/
-
-/'AgentDeviceGemini ---> DC_Gemini :use'/
-AgentDeviceGemini "1" o--- "1" DC_Gemini :use
-
-/' Controllers '/
-class DC_Gemini {
-	(client)
-	protocol: Protocol # gemini
-	gen2nat_cmds: Gen2NatCmds # gemini
-}
-class DC_Gemini <<Singleton>> #lightblue
-DC_Gemini <.l> gemini_device : channel/\nsocket
-DC_Gemini ---|> DeviceController
-DC_Gemini "*" o-- "1" DC_Mount
-DC_Mount --|> DeviceController
-
-/' Simulators '/
-class DS_Gemini {
-	(server)
-	protocol: Protocol # gemini
-	gen2nat_cmds: Gen2NatCmds # gemini	
-}
-class DS_Gemini #lightblue
-DS_Gemini ---|> DeviceSimulator
-DC_Gemini "1" o- "1" DS_Gemini
-
-
-
-/' ======= SBIG controllers (& sim) ======= '/ 
-
-class AgentDeviceSBIG <<Singleton>> #lightgreen
-AgentDeviceSBIG -u--|> AgentDevice 
-
-/' Components (3) '/
-AD_FilterSelector1 --> AgentDeviceSBIG :alias of
-AD_Shutter1 --> AgentDeviceSBIG :alias of
-AD_Sensor1 --> AgentDeviceSBIG :alias of
-
-AgentDeviceSBIG "1" o-d-> "1" DC_SBIG :use
-DC_SBIG "1" o- "1" DS_SBIG
-
-/' Controllers '/
-
-class DC_SBIG {
-	(client)
-	protocol: Protocol # sbig
-	gen2nat_cmds: Gen2NatCmds # sbig
-}
-class DC_SBIG <<Singleton>> #lightgreen
-
-DC_SBIG <.r> sbig_device : channel/\nsocket
-DC_SBIG ---|> DeviceController
-DC_SBIG "*" o-down- "0..1" DC_DetectorSensor
-DC_SBIG "*" o-down- "0..1" DC_DetectorShutter
-DC_SBIG "*" o-down- "0..1" DC_FilterSelector
-
-DC_DetectorSensor --|> DeviceController
-DC_DetectorShutter --|> DeviceController
-DC_FilterSelector --|> DeviceController
-
-/' Simulators '/
-class DS_SBIG {
-	(server)
-	protocol: Protocol # sbig
-	gen2nat_cmds: Gen2NatCmds # sbig
-}
-class DS_SBIG #lightgreen
-DS_SBIG ---|> DeviceSimulator
-
-
-/' ======= NOTES ======= '/
-
-skinparam noteFontSize 9
-
-note left of DeviceController
-Device <b>client</b> (pyros <b>generic commands</b> only):
-- Defines (or receives) its own protocol 
-	and "generic to native" commands dictionary (gen2nat_cmds)
-- Translates an agent <b>generic</b> command to a native command, 
-	and sends it to device (or DS)
-- Receives device's native answer, translates it to <b>generic</b> 
-	and returns it back to agent
-(//every DC can include a **DS of the same name**//)  
- end note
- 
-note bottom of DeviceSimulator
-Device placeholder <b>server</b> (<b>native commands</b> only):
-- Receives <b>native</b> commands from client
-- Returns (simulated) <b>native</b> answer to client
-(uses protocol and gen2nat_cmds given by its associated DC)
-(//abstract DS receive only generic commands and return generic answers//)
- end note
-
-
-
-/' ======= LEGEND ======= '/
-
-skinparam legendFontSize 9
-
-legend left
-<i>Version 06-11-2019</i>
-AD = <b>Agent Device</b> ; DC = <b>Device Controller</b> ; DS = <b>Device Simulator</b>
-Colors: <b>(light) yellow</b> : abstract classes ; <b>red</b> : real devices ; <b>blue</b> : Gemini concrete classes ; <b>green</b> : SBIG concrete classes
-endlegend
-'(E. Pallier)
-
-
-@enduml
--
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