diff --git a/e2sim/build_e2sim b/e2sim/build_e2sim
new file mode 100755
index 0000000..80a53c6
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+++ b/e2sim/build_e2sim
@@ -0,0 +1,86 @@
+#!/bin/bash
+#/*****************************************************************************
+#                                                                            *
+# Copyright 2019 AT&T Intellectual Property                                  *
+# Copyright 2019 Nokia                                                       *
+#                                                                            *
+# Licensed under the Apache License, Version 2.0 (the "License");            *
+# you may not use this file except in compliance with the License.           *
+# You may obtain a copy of the License at                                    *
+#                                                                            *
+#      http://www.apache.org/licenses/LICENSE-2.0                            *
+#                                                                            *
+# Unless required by applicable law or agreed to in writing, software        *
+# distributed under the License is distributed on an "AS IS" BASIS,          *
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
+# See the License for the specific language governing permissions and        *
+# limitations under the License.                                             *
+#                                                                            *
+#******************************************************************************/
+
+set -e
+
+E2SIM_VERSION='1.4.0'
+export E2SIM_DIR=$PWD
+source $E2SIM_DIR/tools/build_helper.bash
+DOCKER_IMAGE='e2sim'
+
+print_help() {
+  echo "
+    This program installs E2 Simulator
+    You should have ubuntu 14.xx, updated, and the Linux kernel >= 3.14
+    The program is run by default with no option
+
+    USAGE:
+      ./build_e2sim [OPTIONS]
+
+    OPTIONS:
+    --clean
+       Erase all files to make a rebuild from start
+    --docker
+       Build docker image
+    -h
+       Print this help
+    "
+}
+
+function main(){
+  case "$1" in
+    --clean)
+      echo_info "Will clean all previously producted files under build/"
+      rm -rf $E2SIM_DIR/build
+      echo_success "Clean Done"
+      exit
+      ;;
+
+    --docker)
+      echo "Will build docker image ${DOCKER_IMAGE}:${E2SIM_VERSION}"
+      sudo docker build -f docker/Dockerfile -t $DOCKER_IMAGE:$E2SIM_VERSION .
+      exit
+      ;;
+
+    "")
+      ;;
+
+    -h)
+      print_help
+      exit 1;;
+
+    *)
+      echo_error "Unknown option $1"
+      exit
+  esac
+
+  BUILD_DIR=$E2SIM_DIR/build
+  mkdir -p $BUILD_DIR
+
+  echo_info "Will build e2sim"
+  cd $BUILD_DIR
+  rm -rf CMakeCache.txt
+  cmake ..
+  make -j`nproc`
+
+  echo_success "e2sim compiled"
+}
+
+main "$@"