diff --git a/README.md b/README.md
index 5d5b812cd1814147eff2b7a3371d95ffec9e7f89..48e3f8ddb3aae31355495a871d41b06b078cd516 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,14 @@ Hub-CDB and Institut Pasteur
 
 Use the gitlab tag of the docker image (e.g., gitlab_v5.0) to get the description of the modifications below
 
+### v8.4
+
+Dockerfiles added: <br />
+python\v3.9.10\base\v1.0 at date 20220318: using the debian 11 bullseye system. A python base in my repo in case the distant one is lost
+python\v3.9.10\extended\v1.1 at date 20220318: same as v1.0 but using the gmillot/python_v3.9.10_base_v1.0:gitlab_v8.4 image
+python\v3.9.10\extended\v2.0 at date 20220318: from gmillot/python_v3.9.10_extended_v1.1:gitlab_v8.4 with regex package added
+
+
 ### v8.3
 
 Dockerfiles added: <br />
diff --git a/python/v3.9.10/base/v1.0/Dockerfile b/python/v3.9.10/base/v1.0/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..db4b0c686fbb2f30689b694c39fd8988fcbf147c
--- /dev/null
+++ b/python/v3.9.10/base/v1.0/Dockerfile
@@ -0,0 +1,41 @@
+#########################################################################
+##                                                                     ##
+##     Dockerfile                                                      ##
+##     Python base                                                     ##
+##                                                                     ##
+##     Gael A. Millot                                                  ##
+##     Bioinformatics and Biostatistics Hub                            ##
+##     Computational Biology Department                                ##
+##     Institut Pasteur Paris                                          ##
+##                                                                     ##
+#########################################################################
+
+
+# to see the log of the building:
+# sudo docker run -ti --entrypoint bash <IMAGE_NAME>
+# cat building.log
+
+# to export the log file of the image building from the container:
+# sudo docker images
+# sudo docker run -ti --entrypoint bash <IMAGE_NAME>
+# exit
+# sudo docker container ls -a # to get all the active containers
+# sudo docker cp <containerNAMES>:/building.log </host/path/target>
+
+
+FROM python:3.9.10
+
+LABEL Gael.Millot=gael.millot@pasteur.fr
+LABEL gitlab.dockerfiles="https://gitlab.pasteur.fr/gmillot/dockerfiles"
+
+RUN echo "\n\n\n\n================\n\nPIP PACKAGES INSTALLED\n\n================\n\n\n\n" >> /building.log \
+    && pip list >> /building.log \
+    # end install the packages
+    # inactivated packages because are in the base installation
+
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+ENV LC_NUMERIC en_US.UTF-8
+
+ENTRYPOINT ["/usr/bin/python3"]
diff --git a/python/v3.9.10/base/v1.0/building.log b/python/v3.9.10/base/v1.0/building.log
new file mode 100644
index 0000000000000000000000000000000000000000..9ec83b37da8a8fdaf0694c55fbacb08a78a9536c
--- /dev/null
+++ b/python/v3.9.10/base/v1.0/building.log
@@ -0,0 +1,18 @@
+
+
+
+
+================
+
+PIP PACKAGES INSTALLED
+
+================
+
+
+
+
+Package    Version
+---------- -------
+pip        21.2.4
+setuptools 58.1.0
+wheel      0.37.1
diff --git a/python/v3.9.10/extended/v1.0/Dockerfile b/python/v3.9.10/extended/v1.0/Dockerfile
index 6438e14943b10323f50904a5a2463794a4dba6ca..fc81ddd84ccde8813c176ebcff21db8b52b5ccd1 100644
--- a/python/v3.9.10/extended/v1.0/Dockerfile
+++ b/python/v3.9.10/extended/v1.0/Dockerfile
@@ -1,7 +1,7 @@
 #########################################################################
 ##                                                                     ##
 ##     Dockerfile                                                      ##
-##     R base                                                          ##
+##     Python extended                                                 ##
 ##                                                                     ##
 ##     Gael A. Millot                                                  ##
 ##     Bioinformatics and Biostatistics Hub                            ##
diff --git a/python/v3.9.10/extended/v1.1/Dockerfile b/python/v3.9.10/extended/v1.1/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..1697259a9094dbe4d08758ed6bf3333c779fe600
--- /dev/null
+++ b/python/v3.9.10/extended/v1.1/Dockerfile
@@ -0,0 +1,58 @@
+#########################################################################
+##                                                                     ##
+##     Dockerfile                                                      ##
+##     Python extended                                                 ##
+##                                                                     ##
+##     Gael A. Millot                                                  ##
+##     Bioinformatics and Biostatistics Hub                            ##
+##     Computational Biology Department                                ##
+##     Institut Pasteur Paris                                          ##
+##                                                                     ##
+#########################################################################
+
+
+# to see the log of the building:
+# sudo docker run -ti --entrypoint bash <IMAGE_NAME>
+# cat building.log
+
+# to export the log file of the image building from the container:
+# sudo docker images
+# sudo docker run -ti --entrypoint bash <IMAGE_NAME>
+# exit
+# sudo docker container ls -a # to get all the active containers
+# sudo docker cp <containerNAMES>:/building.log </host/path/target>
+
+
+FROM gmillot/python_v3.9.10_base_v1.0:gitlab_v8.4
+
+LABEL Gael.Millot=gael.millot@pasteur.fr
+LABEL gitlab.dockerfiles="https://gitlab.pasteur.fr/gmillot/dockerfiles"
+
+# Following packages are in the python base installation
+#       os.path \
+#       os \
+#       sys \
+#       glob \
+#       re \
+#       time \
+#       csv \
+
+ENV PY_LIB="\
+  pandas \
+  Bio \
+"
+
+    # install the packages
+RUN echo "\n\n\n\n================\n\npip install\n\n================\n\n\n\n" > /building.log \
+    && pip install $PY_LIB | tee -a /building.log \
+    && echo "\n\n\n\n================\n\nPIP PACKAGES INSTALLED\n\n================\n\n\n\n" >> /building.log \
+    && pip list >> /building.log \
+    # end install the packages
+    # inactivated packages because are in the base installation
+
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+ENV LC_NUMERIC en_US.UTF-8
+
+ENTRYPOINT ["/usr/bin/python3"]
diff --git a/python/v3.9.10/extended/v1.1/building.log b/python/v3.9.10/extended/v1.1/building.log
new file mode 100644
index 0000000000000000000000000000000000000000..dce550a3a16b7c8f0814152c316ab04efe97dd70
--- /dev/null
+++ b/python/v3.9.10/extended/v1.1/building.log
@@ -0,0 +1,78 @@
+
+
+
+
+================
+
+pip install
+
+================
+
+
+
+
+Collecting pandas
+  Downloading pandas-1.4.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (11.7 MB)
+Collecting Bio
+  Downloading bio-1.3.3-py3-none-any.whl (271 kB)
+Collecting pytz>=2020.1
+  Downloading pytz-2021.3-py2.py3-none-any.whl (503 kB)
+Collecting numpy>=1.18.5
+  Downloading numpy-1.22.3-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (16.8 MB)
+Collecting python-dateutil>=2.8.1
+  Downloading python_dateutil-2.8.2-py2.py3-none-any.whl (247 kB)
+Collecting tqdm
+  Downloading tqdm-4.63.0-py2.py3-none-any.whl (76 kB)
+Collecting mygene
+  Downloading mygene-3.2.2-py2.py3-none-any.whl (5.4 kB)
+Collecting biopython>=1.79
+  Downloading biopython-1.79-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.whl (2.3 MB)
+Collecting requests
+  Downloading requests-2.27.1-py2.py3-none-any.whl (63 kB)
+Collecting six>=1.5
+  Downloading six-1.16.0-py2.py3-none-any.whl (11 kB)
+Collecting biothings-client>=0.2.6
+  Downloading biothings_client-0.2.6-py2.py3-none-any.whl (37 kB)
+Collecting idna<4,>=2.5
+  Downloading idna-3.3-py3-none-any.whl (61 kB)
+Collecting urllib3<1.27,>=1.21.1
+  Downloading urllib3-1.26.9-py2.py3-none-any.whl (138 kB)
+Collecting charset-normalizer~=2.0.0
+  Downloading charset_normalizer-2.0.12-py3-none-any.whl (39 kB)
+Collecting certifi>=2017.4.17
+  Downloading certifi-2021.10.8-py2.py3-none-any.whl (149 kB)
+Installing collected packages: urllib3, idna, charset-normalizer, certifi, requests, six, numpy, biothings-client, tqdm, pytz, python-dateutil, mygene, biopython, pandas, Bio
+Successfully installed Bio-1.3.3 biopython-1.79 biothings-client-0.2.6 certifi-2021.10.8 charset-normalizer-2.0.12 idna-3.3 mygene-3.2.2 numpy-1.22.3 pandas-1.4.1 python-dateutil-2.8.2 pytz-2021.3 requests-2.27.1 six-1.16.0 tqdm-4.63.0 urllib3-1.26.9
+
+
+
+
+================
+
+PIP PACKAGES INSTALLED
+
+================
+
+
+
+
+Package            Version
+------------------ ---------
+bio                1.3.3
+biopython          1.79
+biothings-client   0.2.6
+certifi            2021.10.8
+charset-normalizer 2.0.12
+idna               3.3
+mygene             3.2.2
+numpy              1.22.3
+pandas             1.4.1
+pip                21.2.4
+python-dateutil    2.8.2
+pytz               2021.3
+requests           2.27.1
+setuptools         58.1.0
+six                1.16.0
+tqdm               4.63.0
+urllib3            1.26.9
+wheel              0.37.1
diff --git a/python/v3.9.10/extended/v2.0/Dockerfile b/python/v3.9.10/extended/v2.0/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..ab4b35432f1f6cbe0eb23d413dff90d2fd1e980b
--- /dev/null
+++ b/python/v3.9.10/extended/v2.0/Dockerfile
@@ -0,0 +1,48 @@
+#########################################################################
+##                                                                     ##
+##     Dockerfile                                                      ##
+##     Python extended                                                 ##
+##                                                                     ##
+##     Gael A. Millot                                                  ##
+##     Bioinformatics and Biostatistics Hub                            ##
+##     Computational Biology Department                                ##
+##     Institut Pasteur Paris                                          ##
+##                                                                     ##
+#########################################################################
+
+
+# to see the log of the building:
+# sudo docker run -ti --entrypoint bash <IMAGE_NAME>
+# cat building.log
+
+# to export the log file of the image building from the container:
+# sudo docker images
+# sudo docker run -ti --entrypoint bash <IMAGE_NAME>
+# exit
+# sudo docker container ls -a # to get all the active containers
+# sudo docker cp <containerNAMES>:/building.log </host/path/target>
+
+
+FROM gmillot/python_v3.9.10_extended_v1.1:gitlab_v8.4
+
+LABEL Gael.Millot=gael.millot@pasteur.fr
+LABEL gitlab.dockerfiles="https://gitlab.pasteur.fr/gmillot/dockerfiles"
+
+ENV PY_LIB="\
+  regex \
+"
+
+    # install the packages
+RUN echo "\n\n\n\n================\n\npip install\n\n================\n\n\n\n" > /building.log \
+    && pip install $PY_LIB | tee -a /building.log \
+    && echo "\n\n\n\n================\n\nPIP PACKAGES INSTALLED\n\n================\n\n\n\n" >> /building.log \
+    && pip list >> /building.log \
+    # end install the packages
+    # inactivated packages because are in the base installation
+
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+ENV LC_NUMERIC en_US.UTF-8
+
+ENTRYPOINT ["/usr/bin/python3"]
diff --git a/python/v3.9.10/extended/v2.0/building.log b/python/v3.9.10/extended/v2.0/building.log
new file mode 100644
index 0000000000000000000000000000000000000000..107e447fac3b64cf250ca85e5d2686cf80b552ed
--- /dev/null
+++ b/python/v3.9.10/extended/v2.0/building.log
@@ -0,0 +1,51 @@
+
+
+
+
+================
+
+pip install
+
+================
+
+
+
+
+Collecting regex
+  Downloading regex-2022.3.15-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (763 kB)
+Installing collected packages: regex
+Successfully installed regex-2022.3.15
+
+
+
+
+================
+
+PIP PACKAGES INSTALLED
+
+================
+
+
+
+
+Package            Version
+------------------ ---------
+bio                1.3.3
+biopython          1.79
+biothings-client   0.2.6
+certifi            2021.10.8
+charset-normalizer 2.0.12
+idna               3.3
+mygene             3.2.2
+numpy              1.22.3
+pandas             1.4.1
+pip                21.2.4
+python-dateutil    2.8.2
+pytz               2021.3
+regex              2022.3.15
+requests           2.27.1
+setuptools         58.1.0
+six                1.16.0
+tqdm               4.63.0
+urllib3            1.26.9
+wheel              0.37.1