diff --git a/Jenkinsfile b/Jenkinsfile
new file mode 100644
index 0000000..df9312c
--- /dev/null
+++ b/Jenkinsfile
@@ -0,0 +1,177 @@
+pipeline {
+    agent { node { label 'ubuntu'; } }
+
+    options {
+       buildDiscarder(logRotator(numToKeepStr: '5'))
+    }
+
+    triggers {
+      pollSCM('H H(0-7) * * *')
+    }
+
+
+    environment {
+       DOC_DEPLOYER = credentials('Doc deployment')
+    }
+
+    stages {
+        stage('Preparation') {
+            steps {
+                script {
+                    branchName = 'guilhem/jenkins_1.0'
+                    cred = '0c503fb7-7bad-459f-81f1-71467b382d39'
+
+                    env.PYTHON_VENV = """${sh(
+                       returnStdout:true,
+                       script: 'BTAG=$(echo ${BUILD_TAG} | sed "s,%,,g"); echo -n "${WORKSPACE}/${BTAG}"'
+                     )}"""
+                }
+            }
+        }
+        stage('Source') { // for display purposes
+            steps {
+                git branch: branchName, credentialsId: cred, url: 'git@bitbucket.org:cosmicvoids/vide_public.git'
+
+                sh 'python3 -m venv ${PYTHON_VENV}'
+                sh 'ls && echo ${PYTHON_VENV} && ls ${PYTHON_VENV}'
+                sh 'test -e ${PYTHON_VENV}'
+
+//                sh 'git submodule init'
+//                sh 'git submodule update --recursive'
+            }
+        }
+//        stage('Download deps') {
+//            steps {
+//                ansiColor('xterm') {
+//                    sh '''
+//                      export BORG_PREDOWNLOAD=/build/jenkins/borg_downloads
+//                      if [[ -d ${BORG_PREDOWNLOAD} ]]; then
+//                           rm -fr downloads/
+//                           rsync -r ${BORG_PREDOWNLOAD}/ downloads/
+//                           rm -f downloads/deps.txt
+//                      fi
+//                      bash build.sh --download-deps
+//                      rsync -r downloads/ ${BORG_PREDOWNLOAD}/
+//                    '''
+//                }
+//            }
+//        }
+        stage('Configure') {
+            steps {
+                ansiColor('xterm') {
+                    sh '''
+                      . ${PYTHON_VENV}/bin/activate
+                      export VIDE_PREDOWNLOAD=/build/jenkins/vide_downloads
+                      if ! test -d ${VIDE_PREDOWNLOAD}; then
+                         mkdir ${VIDE_PREDOWNLOAD}
+                      fi
+                      CMAKE_PREFIX_PATH=${VIRTUAL_ENV}:/opt/boost
+                      export CMAKE_PREFIX_PATH
+                      mkdir build
+                      cd build
+                      cmake -DVIDE_DOWNLOAD_CACHE=${VIDE_PREDOWNLOAD} -DINSTALL_PYTHON_LOCAL=OFF -DCMAKE_INSTALL_PREFIX=${PYTHON_VENV} ..
+                    '''
+                }
+            }
+        }
+        stage('Build') {
+            steps {
+                ansiColor('xterm') {
+                    dir('build') {
+                        sh 'make -j6'
+                    }
+                }
+            }
+        }
+//        stage('Tests') {
+//            steps {
+//                dir('build') {
+//                    sh """
+//                      . ${PYTHON_VENV}/bin/activate
+//                      pip3 install wheel pytest jax[cpu] numpy deprecated
+//                      ctest -V
+//                    """
+//                }
+//            }
+//        }
+//        stage('Install') {
+//            steps {
+//                dir('build') {
+//                    sh 'make install'
+//                }
+//            }
+//        }
+//        stage("Doc") {
+//            steps {
+//                dir('docs') {
+//                    sh """
+//                      . ${PYTHON_VENV}/bin/activate
+//                      export PYTHONWARNINGS=always::ImportWarning
+//                      pip3 install wheel
+//                      pip3 install -r requirements.txt
+//                      rm -fr source/_generate
+//                      rm -fr _build
+//                      make html
+//                      tar -C _build/html -zcvf doc.tgz .
+//                      curl -v -F filename=doc -F file=@doc.tgz http://athos.iap.fr:9595/deploy-doc2/$DOC_DEPLOYER/borg-main
+//                    """
+//                }
+//            }
+//        }
+    }
+    post {
+        failure {
+            notifyBuild("FAIL")
+        }
+        success {
+            notifyBuild("SUCCESS")
+        }
+        always {
+
+            /* clean up our workspace */
+            deleteDir()
+            /* clean up tmp directory */
+
+            dir("${PYTHON_VENV}") {
+                deleteDir()
+            }
+            dir("${workspace}@tmp") {
+                deleteDir()
+            }
+        }
+    }
+}
+
+def notifyBuild(String buildStatus = 'STARTED') {
+  // build status of null means successful
+  buildStatus = buildStatus ?: 'SUCCESS'
+
+  // Default values
+  def colorName = 'RED'
+  def colorCode = '#FF0000'
+  def subject = "${buildStatus}: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]'"
+  def summary = "${subject} (${env.BUILD_URL})"
+
+  // Override default values based on build status
+  if (buildStatus == 'STARTED') {
+    color = 'YELLOW'
+    colorCode = '#0000FF'
+  } else if (buildStatus == 'SUCCESS') {
+    color = 'GREEN'
+    colorCode = '#00FF00'
+  } else {
+    color = 'RED'
+    colorCode = '#FF0000'
+  }
+
+  def details = """<p>STARTED: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]':</p>
+    <p>Check console output at &QUOT;<a href='${env.BUILD_URL}'>${env.JOB_NAME} [${env.BUILD_NUMBER}]</a>&QUOT;</p>
+    <p>Build status: <span style='color: ${colorCode};'>${buildStatus}</span></p>"""
+
+  emailext (
+      mimeType: 'text/html',
+      subject: subject,
+      body: details,
+      recipientProviders: [developers(), requestor()]
+    )
+}
diff --git a/external/external_build.cmake b/external/external_build.cmake
index 1bc0ca4..6d72a28 100644
--- a/external/external_build.cmake
+++ b/external/external_build.cmake
@@ -1,5 +1,6 @@
 include(FindOpenMP)
 
+SET(VIDE_DOWNLOAD_CACHE "${CMAKE_SOURCE_DIR}/downloads" CACHE PATH "Cache directory for downloaded dependencies") 
 OPTION(ENABLE_OPENMP "Set to Yes if Healpix and/or you need openMP" OFF)
 OPTION(SDF_SUPPORT "Set to Yes to activate support for SDF" ON)
 
@@ -68,8 +69,10 @@ if (INTERNAL_GENGETOPT)
   SET(GENGETOPT_SOURCE_DIR ${BUILD_PREFIX}/gengetopt-prefix/src/gengetopt)
   SET(GENGETOPT_BIN_DIR ${CMAKE_BINARY_DIR}/ext_build/gengetopt)
   ExternalProject_Add(gengetopt
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     PREFIX ${BUILD_PREFIX}/gengetopt-prefix
     URL ${GENGETOPT_URL}
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     CONFIGURE_COMMAND ${GENGETOPT_SOURCE_DIR}/configure 
                 --prefix=${GENGETOPT_BIN_DIR} 
 		CPPFLAGS=${CONFIGURE_CPP_FLAGS}
@@ -93,8 +96,10 @@ if (INTERNAL_HDF5)
   SET(HDF5_SOURCE_DIR ${BUILD_PREFIX}/hdf5-prefix/src/hdf5)
   SET(HDF5_BIN_DIR ${CMAKE_BINARY_DIR}/ext_build/hdf5)
   ExternalProject_Add(hdf5
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     PREFIX ${BUILD_PREFIX}/hdf5-prefix
     URL ${HDF5_URL}
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     CONFIGURE_COMMAND ${HDF5_SOURCE_DIR}/configure
            --disable-shared --enable-cxx --with-pic
 	   --prefix=${HDF5_BIN_DIR} --libdir=${HDF5_BIN_DIR}/lib 
@@ -136,6 +141,7 @@ if (INTERNAL_NETCDF)
   SET(CONFIGURE_LDFLAGS "${CONFIGURE_LDFLAGS} -L${NETCDF_BIN_DIR}/lib")
   SET(EXTRA_NC_FLAGS CPPFLAGS=${CONFIGURE_CPP_FLAGS} LDFLAGS=${CONFIGURE_LDFLAGS} LIBS=${CONFIGURE_LIBS_FLAGS})
   ExternalProject_Add(netcdf
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     DEPENDS ${hdf5_built}
     PREFIX ${BUILD_PREFIX}/netcdf-prefix
     URL ${NETCDF_URL}
@@ -179,6 +185,7 @@ if (INTERNAL_BOOST)
   SET(BOOST_SOURCE_DIR ${BUILD_PREFIX}/boost-prefix/src/boost)
   SET(cosmotool_DEPS ${cosmotool_DEPS} boost)
   ExternalProject_Add(boost
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     URL ${BOOST_URL}
     PREFIX ${BUILD_PREFIX}/boost-prefix
     CONFIGURE_COMMAND 
@@ -199,6 +206,7 @@ mark_as_advanced(Boost_INCLUDE_DIRS Boost_LIBRARIES)
 IF(INTERNAL_GSL)
   SET(GSL_SOURCE_DIR ${BUILD_PREFIX}/gsl-prefix/src/gsl)
   ExternalProject_Add(gsl
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     URL ${GSL_URL}
     PREFIX ${BUILD_PREFIX}/gsl-prefix
     CONFIGURE_COMMAND ${GSL_SOURCE_DIR}/configure
@@ -225,6 +233,7 @@ mark_as_advanced(GSL_LIBRARY GSLCBLAS_LIBRARY GSL_INCLUDE_PATH)
 # Build cfitsio
 #################
 ExternalProject_Add(cfitsio
+  DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
   SOURCE_DIR ${CMAKE_SOURCE_DIR}/external/cfitsio
   PREFIX ${BUILD_PREFIX}/cfitsio-prefix
   CONFIGURE_COMMAND 
@@ -246,6 +255,7 @@ SET(CFITSIO_INCLUDE_PATH ${CFITSIO_PREFIX}/include)
 #################
 
 ExternalProject_Add(healpix
+  DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
   DEPENDS cfitsio
   PREFIX ${BUILD_PREFIX}/healpix-prefix
   SOURCE_DIR ${CMAKE_SOURCE_DIR}/external/healpix
@@ -278,6 +288,7 @@ SET(NETCDF_LIBRARIES ${NETCDFCPP_LIBRARY} ${NETCDF_LIBRARY} ${HDF5HL_LIBRARY} ${
 ###############
 if (INTERNAL_QHULL)
   ExternalProject_Add(qhull
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     URL ${QHULL_URL}
     PREFIX ${BUILD_PREFIX}/qhull-prefix
     CMAKE_ARGS 
@@ -309,6 +320,7 @@ IF(SDF_SUPPORT)
   SET(LIBSDF_PATH ${CMAKE_SOURCE_DIR}/external/libsdf)
 
   ExternalProject_Add(libSDF
+    DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     URL ${CMAKE_SOURCE_DIR}/external/mswarren-libsdf-b4b9f9464b5b.tar.gz
     PREFIX ${BUILD_PREFIX}/libSDF-prefix
     CONFIGURE_COMMAND echo No configure