Added image resizing in flow

src/server/Dockerfile.nodered

+FROM nodered/node-red
+
+USER root
+
+RUN apk add --no-cache imagemagick && \
+    chmod -R 777 /data
+
+USER node-red
\ No newline at end of file

src/server/docker-compose.yml

@@ -13,12 +13,13 @@ services:
       - ./mosquitto/log:/mosquitto/log
 
   nodered:
-    image: nodered/node-red
+    build:
+      context: .
+      dockerfile: Dockerfile.nodered
     restart: always
     ports:
       - 1880:1880
     volumes:
       - ./nodered/data:/data
     depends_on:
-      - mosquitto
-    command: bash -c "npm install --save red-contrib-image-tools  && npm start"
\ No newline at end of file
+      - mosquitto
\ No newline at end of file

src/server/readme.md

-# This documents how to run the server
+# This documents how to run the server on a Raspberry PI (3B)
+
+## Install raspbian on the PI
+We need to install a linux on the PI.
+
+Download the Raspberry PI Imager on [https://www.raspberrypi.com/software/](https://www.raspberrypi.com/software/)
+
+or on Ubuntu with :
+```bash
+sudo apt-install rpi-imager
+```
+
+https://docs.docker.com/engine/install/raspbian/
+
+
 
 
 ## Install and run