diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 79ecf59aa7378fadee17a909116c9b32e98b6a81..f5ae9b42e3908bd480627fe0a99efface617194e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,13 +1,13 @@
 # CI Config for ltaftpy / gitlab
 
 # Tests on X86_64 ubuntu
-unbutu:X86_64:
+ubuntu:X86_64:
   image: registry.gitlab.lis-lab.fr:5005/dev/ltfatpy/ubuntu:X86_64
   tags:
     - docker
   script:
-    - pip install -e .
-    - nosetests
+    - pip install -e . --no-deps
+    - nosetests3
   artifacts:
     when: always
     untracked: true
@@ -21,7 +21,7 @@ ubuntu:i686:
   tags:
     - docker
   script:
-    - pip install -e .
+    - pip install -e . --no-deps
     - nosetests3
   artifacts:
     when: always
@@ -33,7 +33,7 @@ ubuntu:i686:
 # doc template
 .doc: &doc
   script:
-    - pip3 install -e .
+    - pip3 install -e . --no-deps
     - python3 setup.py build_sphinx
     - cp -r build/sphinx/html public
   artifacts:
diff --git a/docker/Dockerfile_X86_64 b/docker/Dockerfile_X86_64
index f5deb7cbb65392c87c3b79870d98793ae584a27f..45ab6ba0ef6e3c7903dda99e134e8dd29766cf51 100644
--- a/docker/Dockerfile_X86_64
+++ b/docker/Dockerfile_X86_64
@@ -1,25 +1,33 @@
 FROM ubuntu:latest
 MAINTAINER Denis Arrivault
 WORKDIR /
-RUN apt-get update && apt-get install -y \
-    cmake \
-    libfftw3-dev \
-    liblapack-dev \
-    python3 \
-    python3-dev \
-    python3-pip \
-    python3-tk \
-    python3-matplotlib \
-    python3-scipy \
-    texlive-latex-recommended \
-    texlive-latex-extra \
-    dvipng
-RUN pip3 install --upgrade pip
-RUN pip3 install nose coverage pytest pytest-cov sphinx sphinxcontrib-bibtex
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        cmake \
+        gcc \
+        g++ \
+        make \
+        libfftw3-dev \
+        liblapack-dev \
+        python3 \
+        python3-dev \
+        python3-setuptools \
+        python3-nose \
+        python3-coverage \
+        libjs-jquery-hotkeys \
+        libjs-jquery-isonscreen \
+        libjs-jquery-tablesorter \
+        python3-pip \
+        python3-wheel \
+        python3-tk \
+        python3-matplotlib \
+        python3-scipy \
+        texlive-latex-extra \
+        dvipng \
+        && \
+    apt-get clean
+RUN pip3 install sphinx sphinxcontrib-bibtex
 
 # Copy the ltfatpy sdist in the docker directory and uncomment the following line
 # if you want to include ltfatpy sources in the docker image :
 # ADD ../dist/ltfatpy-1.0.8.tar.gz /
-
-# cleanup
-RUN apt-get -qy autoremove
\ No newline at end of file
diff --git a/docker/Dockerfile_cython_X86_64 b/docker/Dockerfile_cython_X86_64
index 65ff8dc4716c22792d6e8623d3c0ff9db885d956..3a15d4c9322710d7c16ec5846f4b387fd61318d2 100644
--- a/docker/Dockerfile_cython_X86_64
+++ b/docker/Dockerfile_cython_X86_64
@@ -1,22 +1,34 @@
 FROM ubuntu:latest
 MAINTAINER Denis Arrivault
 WORKDIR /
-RUN apt-get update && apt-get install -y \
-    cmake \
-    libfftw3-dev \
-    liblapack-dev \
-    python3 \
-    python3-dev \
-    python3-pip \
-    cython \
-    python3-tk \
-    python3-matplotlib
-RUN pip3 install --upgrade pip
-RUN pip3 install scipy nose coverage pytest pytest-cov Sphinx sphinxcontrib-bibtex
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        cmake \
+        gcc \
+        g++ \
+        make \
+        libfftw3-dev \
+        liblapack-dev \
+        cython3 \
+        python3 \
+        python3-dev \
+        python3-setuptools \
+        python3-nose \
+        python3-coverage \
+        libjs-jquery-hotkeys \
+        libjs-jquery-isonscreen \
+        libjs-jquery-tablesorter \
+        python3-pip \
+        python3-wheel \
+        python3-tk \
+        python3-matplotlib \
+        python3-scipy \
+        texlive-latex-extra \
+        dvipng \
+        && \
+    apt-get clean
+RUN pip3 install sphinx sphinxcontrib-bibtex
 
 # Copy the ltfatpy sdist in the docker directory and uncomment the following line
 # if you want to include ltfatpy sources in the docker image :
-# ADD ltfatpy-1.0.8.tar.gz /
-
-# cleanup
-RUN apt-get -qy autoremove
\ No newline at end of file
+# ADD ../dist/ltfatpy-1.0.8.tar.gz /
diff --git a/docker/Dockerfile_i686 b/docker/Dockerfile_i686
index 64169d01cc5fc1ff1e320ce90dcea2ed57e53c26..926b022b099514ea0b7f6de81e4bf240782785dd 100644
--- a/docker/Dockerfile_i686
+++ b/docker/Dockerfile_i686
@@ -1,22 +1,29 @@
 FROM i386/ubuntu:latest
 MAINTAINER Denis Arrivault
 WORKDIR /
-RUN apt-get update && apt-get install -y \
-    cmake \
-    libfftw3-dev \
-    liblapack-dev \
-    python3 \
-    python3-dev \
-    python3-pip \
-    python3-tk \
-    python3-matplotlib \
-    python3-scipy
-RUN pip3 install --upgrade pip
-RUN pip3 install nose coverage pytest pytest-cov
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        cmake \
+        gcc \
+        g++ \
+        make \
+        libfftw3-dev \
+        liblapack-dev \
+        python3 \
+        python3-dev \
+        python3-setuptools \
+        python3-nose \
+        python3-coverage \
+        libjs-jquery-hotkeys \
+        libjs-jquery-isonscreen \
+        libjs-jquery-tablesorter \
+        python3-pip \
+        python3-tk \
+        python3-matplotlib \
+        python3-scipy \
+        && \
+    apt-get clean
 
 # Copy the ltfatpy sdist in the docker directory and uncomment the following line
 # if you want to include ltfatpy sources in the docker image :
 # ADD ../dist/ltfatpy-1.0.8.tar.gz /
-
-# cleanup
-RUN apt-get -qy autoremove