diff --git a/ci/build.sh b/ci/build.sh
new file mode 100755
index 0000000..d7e98ca
--- /dev/null
+++ b/ci/build.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+set -ex
+set -eo pipefail
+
+function run_docker
+{
+	$DOCKER_PREFIX docker run --cap-add=sys_admin --net=host --rm=true \
+	 --user="${USER}" -w "${PWD}" -v "${PWD}":"${PWD}":Z \
+         -t $1 $2
+}
+
+env
+
+if [ -d output-images ]; then
+	echo 'output-images already exists!';
+	exit 1;
+fi
+
+for distro in ubuntu1404 fedora23;
+do
+	base_dockerfile=ci/Dockerfile/$distro.`arch`
+	if [ ! -f $base_dockerfile ]; then
+	  echo '$distro not supported on `arch`.';
+	  continue
+	fi
+	if [[ -n "$HTTP_PROXY" ]]; then
+		http_proxy=$HTTP_PROXY
+	fi
+	if [[ -n "$http_proxy" ]]; then
+	  if [[ "$distro" == fedora23 ]]; then
+	    PROXY="RUN echo \"proxy=${http_proxy}\" >> /etc/dnf/dnf.conf"
+	  fi
+	  if [[ "$distro" == ubuntu1404 ]]; then
+	    PROXY="RUN echo \"Acquire::http::Proxy \\"\"${http_proxy}/\\"\";\" > /etc/apt/apt.conf.d/000apt-cacher-ng-proxy"
+	  fi
+        fi
+
+	Dockerfile=$(head -n1 $base_dockerfile; echo ${PROXY}; tail -n +2 $base_dockerfile; cat << EOF
+RUN groupadd -g ${GROUPS} ${USER} && useradd -d ${HOME} -m -u ${UID} -g ${GROUPS} ${USER}
+${PROXY}
+USER ${USER}
+ENV HOME ${HOME}
+EOF
+)
+	$DOCKER_PREFIX docker build -t openpower/op-build-$distro - <<< "${Dockerfile}"
+	mkdir -p output-images/$distro
+	run_docker openpower/op-build-$distro "./ci/build-all-defconfigs.sh output-images/$distro"
+	if [ $? = 0 ]; then
+		mv *-images output-$distro/
+	else
+		exit $?;
+	fi
+done;
+