diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 82c6e8762..8473d8cbb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -82,18 +82,6 @@ ubuntu18.04:
     - make install
 
 
-get-dockerfile:
-  image: debian:9.3-slim
-  stage: build
-  script:
-    - apt-get update
-    - apt-get install -y git ca-certificates
-    - git clone https://github.com/carlesfernandez/docker-gnsssdr
-  artifacts:
-    paths:
-    - docker-gnsssdr/
-
-
 # Stage "test"
 run-tests-amd64:
   image: debian:9.3-slim
@@ -146,6 +134,9 @@ docker-gnsssdr:
   services:
     - docker:dind
   before_script:
+    - apt-get update
+    - apt-get install -y git ca-certificates
+    - git clone https://github.com/carlesfernandez/docker-gnsssdr
     - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD"
   script:
     - mkdir docker-build
@@ -153,8 +144,6 @@ docker-gnsssdr:
     - cp ../docker-gnsssdr/Dockerfile .
     - docker build -t carlesfernandez/docker-gnsssdr .
     - docker push carlesfernandez/docker-gnsssdr
-  dependencies:
-    - get-dockerfile
 
 
 # Stage "experiment"
@@ -165,7 +154,7 @@ run-experiment:
     - apt-get update
     - apt-get upgrade -y
     # Grab analysis and representation tools
-    - apt-get install -y octave texlive-latex-base texlive-fonts-recommended texlive-latex-extra
+    - apt-get install -y octave texlive-latex-base texlive-fonts-recommended texlive-latex-extra epstool transfig octave
     # Grab the data set
     - apt-get install -y curl
     - cd data
@@ -175,8 +164,9 @@ run-experiment:
     - md5sum -c data.md5
     - cd ..
     # Execute the experiment (example)
-    - echo " x = 0:0.01:3; hf = figure (\"visible\", \"off\"); plot (x, erf (x)); hold on; plot (x, x, \"r\"); axis ([0, 3, 0, 1]); text (0.65, 0.6175, ['$\displaystyle\leftarrow x = {2\over\sqrt{\pi}}' '\int_{0}^{x}e^{-t^2} dt = 0.6175$']); xlabel (\"x\"); ylabel (\"erf (x)\"); title (\"erf (x) with text annotation\"); print (hf, \"results.pdf\", \"-dpdf\"); " >  my_test_file.m
+    - echo " x = 0:0.01:3; hf = figure (\"visible\", \"off\"); plot (x, erf (x)); hold on; plot (x, x, \"r\"); axis ([0, 3, 0, 1]); text (0.65, 0.6175, ['$\displaystyle\leftarrow x = {2\over\sqrt{\pi}}' '\int_{0}^{x}e^{-t^2} dt = 0.6175$']); xlabel (\"x\"); ylabel (\"erf (x)\"); title (\"erf (x) with text annotation\"); print (hf, \"results.eps\", \"-deps\"); " >  my_test_file.m
     - octave --no-gui my_test_file.m
+    - epspdf results.eps results.pdf
     - mkdir results
     - cp results.pdf results/