diff --git a/dev/README.dev.md b/dev/README.dev.md
index 3bae3bd..9bc0360 100644
--- a/dev/README.dev.md
+++ b/dev/README.dev.md
@@ -48,7 +48,7 @@ sudo apt install python3-pip
 
 ### Build portable version for Ubuntu
 
-On the virtual machine with Ubuntu 18.04.2 (Python3, pip3 and virtualenv preinstalled)
+On the machine with Docker installed
 1. Run `pack_ubuntu.sh` from the dev folder
 ```bash
 ./pack_ubuntu.sh
diff --git a/dev/linux/airflow b/dev/linux/airflow
index b30905a..2b62814 100755
--- a/dev/linux/airflow
+++ b/dev/linux/airflow
@@ -1,5 +1,5 @@
 #!/bin/bash
 BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )
-export PYTHONPATH="$BASE_DIR/lib/python3.6/site-packages"
+export PYTHONPATH="$BASE_DIR/lib/python3.*/site-packages"
 export PATH="$BASE_DIR/bin":"$PATH"
 airflow "$@"
diff --git a/dev/linux/apiserver b/dev/linux/apiserver
index bc93759..3e1d4f3 100755
--- a/dev/linux/apiserver
+++ b/dev/linux/apiserver
@@ -1,5 +1,5 @@
 #!/bin/bash
 BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )
-export PYTHONPATH="$BASE_DIR/lib/python3.6/site-packages"
+export PYTHONPATH="$BASE_DIR/lib/python3.*/site-packages"
 export PATH="$BASE_DIR/bin":"$PATH"
 cwl-airflow apiserver "$@"
\ No newline at end of file
diff --git a/dev/pack_ubuntu.sh b/dev/pack_ubuntu.sh
index 6f2f1b8..97fefaa 100755
--- a/dev/pack_ubuntu.sh
+++ b/dev/pack_ubuntu.sh
@@ -1,48 +1,9 @@
 #!/usr/bin/env bash
 
-# Run script in the current directory without any arguments
-# Ubuntu 18.04.3
-# sudo apt-get install python3-dev python3-pip virtualenv 2to3
-#
-#
-# sudo apt-get install python3-distutils
-# sudo apt install python3-testresources
+UBUNTU_VERSION="18.04"
+PYTHON_VERSION="3.6"
 
+PYTHON_LINK="https://briefcase-support.s3.amazonaws.com/python/${PYTHON_VERSION}/linux/x86_64/Python-${PYTHON_VERSION}-linux-x86_64-support.b1.tar.gz"
+BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )
 
-# create directory for portable version of cwl-airflow
-mkdir cwl-airflow
-cd cwl-airflow
-
-
-# create virtual environment
-virtualenv -p `which python3.6` --always-copy .
-source ./bin/activate
-
-
-# install cwl-airflow
-cd ../..
-pip3 install .
-cd ./dev/cwl-airflow
-deactivate
-
-
-# replace default path to python3
-find ./bin -executable -type f -maxdepth 1 -exec grep -Iq "^#\!.*python.*" {} \; -exec sed -i '' -e '1s/.*/#!\/usr\/bin\/env python3/' {}  \;
-
-
-# copy executable files
-mkdir bin_portable
-cp ../linux/* ./bin_portable
-
-
-# Copy 2to3 and distutils/ manually which is not included in virtual environment by default
-cp -r /usr/lib/python3.6/lib2to3 ./lib/python3.6/site-packages
-cp -r /usr/bin/2to3 ./bin
-cp -r /usr/lib/python3.6/distutils ./lib/python3.6/site-packages
-
-
-# compress to tar.gz
-cd ..
-chmod -R u+w ./cwl-airflow
-tar -zcvf cwl-airflow.ubuntu.tar.gz cwl-airflow
-rm -rf cwl-airflow
\ No newline at end of file
+docker run --rm -it -v ${BASE_DIR}:/tmp/cwl-airflow ubuntu:${UBUNTU_VERSION} /tmp/cwl-airflow/dev/pack_ubuntu_docker.sh ${PYTHON_LINK} ${PYTHON_VERSION}
\ No newline at end of file
diff --git a/dev/pack_ubuntu_docker.sh b/dev/pack_ubuntu_docker.sh
new file mode 100755
index 0000000..d9dc1ad
--- /dev/null
+++ b/dev/pack_ubuntu_docker.sh
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )
+PYTHON_LINK=$1
+PYTHON_VERSION=$2
+
+
+apt-get update
+apt-get install gcc git wget curl -y
+
+
+mkdir $BASE_DIR/dev/cwl-airflow-ubuntu
+cd $BASE_DIR/dev/cwl-airflow-ubuntu
+
+
+wget $PYTHON_LINK
+tar xzf Python-${PYTHON_VERSION}-linux-x86_64-support.b1.tar.gz
+rm Python-${PYTHON_VERSION}-linux-x86_64-support.b1.tar.gz
+
+
+curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+./bin/python3 get-pip.py
+rm get-pip.py
+
+
+./bin/pip3 install --prefix="." --no-warn-script-location --upgrade $BASE_DIR
+
+
+find ./bin -executable -type f -maxdepth 1 -exec grep -Iq "^#\!.*python.*" {} \; -exec sed -i '' -e '1s/.*/#!\/usr\/bin\/env python3/' {}  \;
+
+
+mkdir bin_portable
+cp ../linux/* ./bin_portable
+
+
+chmod -R u+w .
+
+
+cd ..
+tar -zcvf cwl-airflow.ubuntu.tar.gz cwl-airflow-ubuntu
+rm -rf cwl-airflow-ubuntu
+
+
+
+
+
+
+
+
+
+