diff --git a/slides.ipynb b/slides.ipynb
index 39a7f39..5526d96 100644
--- a/slides.ipynb
+++ b/slides.ipynb
@@ -1,317 +1,320 @@
 {
  "cells": [
   {
    "cell_type": "code",
    "execution_count": 13,
    "metadata": {
     "slideshow": {
      "slide_type": "skip"
     }
    },
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
       "Already up to date.\n"
      ]
     }
    ],
    "source": [
     "cd ../so-workshop\n",
     "git pull"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
    "source": [
     "# So, you want to go open Science ?\n",
     "## WORKSHOP TIME !\n",
     "\n",
+    "- https://c4science.ch/source/so-workshop/\n",
+    "- https://c4science.ch/source/so-slides/\n",
+    "\n",
     "<center>SCITAS training with expertise from the EPFL Library</center>\n",
     "\n",
     "<center>Nicolas Richart and Jean-Baptiste Aubort - SCITAS</center>"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
    "source": [
     "# Continuous Integration (CI)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
     }
    },
    "source": [
     "## What is CI ?\n",
     "\n",
     "- Automation of build and tests\n",
     "- Run tests at each commit\n",
     "- You need to write tests !"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
     }
    },
    "source": [
     "## Why use CI ?\n",
     "\n",
     "- Detect bugs when they are introduced\n",
     "- Detect when fixed bugs appear again (regression)\n",
     "- Publish code that works"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
     }
    },
    "source": [
     "Ensure code has a certain quality level\n",
     "- Linters\n",
     "- Test Coverage"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
    "source": [
     "# Jenkins on c4science"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "source": [
     "## https://c4science.ch/jobs\n",
     "![](images/c4s-jenkinsjob.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "source": [
     "## https://jenkins.c4science.ch/\n",
     "![](images/c4s-jenkins.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
    "source": [
     "# Example\n",
     "## Jenkins base"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 12,
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
       "Already on 'feature/jenkins-base'\n",
       "Your branch is up to date with 'origin/feature/jenkins-base'.\n",
       "\u001b[01;34m.\u001b[00m\n",
       "├── \u001b[01;34mcode\u001b[00m\n",
       "│   ├── mylib.py\n",
       "│   └── \u001b[01;32mtest.py\u001b[00m\n",
       "├── Jenkinsfile\n",
       "└── README\n",
       "\n",
       "1 directory, 4 files\n"
      ]
     }
    ],
    "source": [
     "git checkout feature/jenkins-base\n",
     "tree"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 11,
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
       "#!/usr/bin/env python3\n",
       "\n",
       "class MyLib():\n",
       "\n",
       "    def __init__(self):\n",
       "        pass\n",
       "\n",
       "    def MyFunc(self):\n",
       "        return 'test'\n",
       "\n",
       "if __name__ == '__main__':\n",
       "    pass\n"
      ]
     }
    ],
    "source": [
     "cat code/mylib.py"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 10,
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
       "#!/usr/bin/env python3\n",
       "import unittest, pytest\n",
       "import mylib\n",
       "\n",
       "class Test(unittest.TestCase):\n",
       "\n",
       "    def test_return(self):\n",
       "        m = mylib.MyLib()\n",
       "        self.assertTrue(m.MyFunc() == 'test')\n",
       "\n",
       "if __name__ == '__main__':\n",
       "    pytest.main(['./test.py'])\n"
      ]
     }
    ],
    "source": [
     "cat code/test.py"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 9,
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
       "pipeline {\n",
       "\n",
       "    agent {\n",
       "        docker {\n",
       "            image 'python:3.7'\n",
       "        }\n",
       "    }\n",
       "\n",
       "    environment {\n",
       "        HOME = \"$WORKSPACE\"\n",
       "    }\n",
       "\n",
       "    stages {\n",
       "        stage('install dependencies') {\n",
       "            steps {\n",
       "                sh 'pip3 install --user pytest'\n",
       "            }\n",
       "        }\n",
       "        stage('run tests') {\n",
       "            steps {\n",
       "                sh '$HOME/.local/bin/pytest code/test.py'\n",
       "            }\n",
       "        }\n",
       "    }\n",
       "\n",
       "}\n"
      ]
     }
    ],
    "source": [
     "cat Jenkinsfile"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
     }
    },
    "source": [
     "![](images/jenkins-base.png)"
    ]
   }
  ],
  "metadata": {
   "celltoolbar": "Slideshow",
   "kernelspec": {
    "display_name": "Bash",
    "language": "bash",
    "name": "bash"
   },
   "language_info": {
    "codemirror_mode": "shell",
    "file_extension": ".sh",
    "mimetype": "text/x-sh",
    "name": "bash"
   },
   "livereveal": {
    "height": 768,
    "theme": "serif",
    "transition": "none",
    "width": 1024
   }
  },
  "nbformat": 4,
  "nbformat_minor": 2
 }