Failed to build on launchpad

[Jnchi]

dpkg-buildpackage
-----------------

dpkg-buildpackage: info: source package openvpn-auth-aad
dpkg-buildpackage: info: source version 0.0.1-0~201906191925~ubuntu18.04.1
dpkg-buildpackage: info: source distribution bionic
 dpkg-source --before-build openvpn-auth-aad-0.0.1
dpkg-buildpackage: info: host architecture amd64
 fakeroot debian/rules clean
dh clean
   dh_auto_clean
	make -j1 clean
make[1]: Entering directory '/<<PKGBUILDDIR>>'
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
   dh_clean
 debian/rules build
dh build
   dh_update_autotools_config
   debian/rules override_dh_auto_configure
make[1]: Entering directory '/<<PKGBUILDDIR>>'
/bin/sh ./bootstrap.sh
./bootstrap.sh: 3: ./bootstrap.sh: git: not found
autoreconf: 'configure.ac' or 'configure.in' is required
debian/rules:9: recipe for target 'override_dh_auto_configure' failed
make[1]: *** [override_dh_auto_configure] Error 1
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
debian/rules:6: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
--------------------------------------------------------------------------------
Build finished at 20190619-1951

Source: buildlog

[Jnchi]

git checkout tags/{{tag}} # e.g. 0.0.2
docker run -v $(pwd):/usr/src/openvpn-auth-aad -it cyberninjas/openvpn-auth-aad:ubuntu /bin/bash
./bootstrap.sh

diff --git a/debian/rules b/home/lramage/repos/openvpn-auth-aad/debian/rules
index 0036ae5..8c2d13e 100755
--- a/debian/rules
+++ b/home/lramage/repos/openvpn-auth-aad/debian/rules
@@ -7,7 +7,7 @@ OPENVPN_VERSION = bebd25a0e3a2aba0b1f98463a87b24db6c419a66
 %:
        dh $@

-override_dh_auto_configure:
+override_dh_auto_configure: clean-submodules openvpn pam_aad
        echo "skipping configure ..."

 openvpn:

find . -name '.git*' -exec rm -rf {} \;
git init
git commit # copy and paste DO NOT COMMIT message from previous commit

docker build --build-arg VERSION="0.0.2" --build-arg DEBVER="1" -t cyberninjas/openvpn-auth-aad:ubuntu . -f docker/ubuntu/Dockerfile