fix flask_iscpif_regcomex/Dockerfile and other minor docker modifications

setup/dockers/cheatsheet.md

 ** Docker commands for advanced testing **
 ```
 # check ports redirection
-docker inspect comex_flask_test | jq '.[0].NetworkSettings'
-docker exec -it comex_flask_test bash
+docker inspect comex_test | jq '.[0].NetworkSettings'
+docker exec -it comex_test bash
 ```

setup/dockers/docker-compose.yml

@@ -17,7 +17,7 @@
          - "32789:8989"
          # POSSIBLE volume for h2 DB itself
 
-      flask_ispcif_regcomex:
+      comex_test:
         image: flask_iscpif_regcomex
         depends_on:
          - mysql_regcomex

setup/dockers/flask_iscpif_regcomex/Dockerfile

@@ -13,21 +13,30 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN locale-gen fr_FR fr_FR.UTF-8
 RUN dpkg-reconfigure locales
 
-RUN apt-get update && apt-get autoclean
-RUN apt-get install -y python3-pip git nano
-
-# Install global dependencies
+# Install global dependencies and utilities
+RUN apt update && apt autoclean
+RUN apt install -y python3-pip libmysqlclient-dev git nano tree htop
 RUN pip3 install --upgrade pip
-RUN pip3 install gunicorn flask
 
 # for regcomex itself ----------------------------------------------------------
 # pull the comex server from repository
 RUN git clone https://github.com/moma/regcomex.git
 
+# Install project dependencies
+RUN pip3 install -r regcomex/setup/requirements.txt
+
 # main CMD to start the app
 WORKDIR /regcomex
+
+# flask dev server
+# CMD python3 server_comex_registration.py
+
+# gunicorn production server
 CMD bash run.sh
 
-# Ports
-EXPOSE 5000
+# ports ------------------------------------------------------------------------
+# flask dev server
+# EXPOSE 5000
+
+# gunicorn production server
 EXPOSE 9090

setup/dockers/minidoors/Dockerfile

@@ -37,7 +37,7 @@ WORKDIR /root/doors/application
 # build and compile it once so it downloads dependencies
 RUN sbt "project lab" compile test package
 
-# sset docker run command to run doors servers
+# set docker run command to run doors servers
 CMD sbt "project lab" run
 
 # ports