diff --git a/Dockerfile.dapper b/Dockerfile.dapper
new file mode 100644
index 0000000..0bf5859
--- /dev/null
+++ b/Dockerfile.dapper
@@ -0,0 +1,12 @@
+FROM ubuntu:14.04
+
+RUN apt-get update && \
+    apt-get install -y build-essential wget libncurses5-dev unzip bc curl python rsync ccache git vim
+
+RUN locale-gen en_US.UTF-8
+ENV LANG en_US.UTF-8
+
+ENV DAPPER_SOURCE /source
+ENV DAPPER_OUTPUT ./dist
+ENV SHELL /bin/bash
+WORKDIR ${DAPPER_SOURCE}
diff --git a/build.sh b/build.sh
index 06db260..a4fdb79 100755
--- a/build.sh
+++ b/build.sh
@@ -3,18 +3,6 @@ set -e
 
 cd $(dirname $0)
 
-export DOCKER_IMAGE=rancher-os-kernel-build
-
-./scripts/ci
-
-rm -rf dist
-
-echo "Build complete. Copying artifacts..."
-
-DIST_CONTAINER=$(docker create ${DOCKER_IMAGE})
-trap "docker rm -v ${DIST_CONTAINER}" EXIT
-
-mkdir -p dist
-docker cp ${DIST_CONTAINER}:/source/dist/kernel dist/
+dapper ./scripts/ci
 
 ls -lh dist/kernel
diff --git a/scripts/bootstrap b/scripts/bootstrap
deleted file mode 100755
index 7f9a44e..0000000
--- a/scripts/bootstrap
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-set -e
-set -x
-
-cd $(dirname $0)/..
-
-apt-get update
-apt-get install -y build-essential wget libncurses5-dev unzip bc curl python rsync ccache git
diff --git a/scripts/build-common b/scripts/build-common
index 041491d..51f6eee 100644
--- a/scripts/build-common
+++ b/scripts/build-common
@@ -8,109 +8,6 @@ set -e
 : ${CONFIG:=$(pwd)/config}
 : ${DIST:=$(pwd)/dist}
 
-DOCKER_FILE=${CONFIG}/.dockerfile
-
-write_base()
-{
-    if [ "${BASE_WRITTEN}" = "true" ]; then
-        return
-    fi
-
-    mkdir -p $(dirname ${DOCKER_FILE})
-
-    cat > ${DOCKER_FILE} << EOF
-FROM ${DOCKER_BASE:=ubuntu:14.04.3}
-ENV TERM xterm
-WORKDIR /source
-EOF
-
-    BASE_WRITTEN=true
-}
-
-run()
-{
-    local content
-
-    while [ $# -gt 1 ]; do
-        case $1 in
-            --assets)
-                shift 1
-                if [ -e "$1" ]; then
-                content="$content\nCOPY $1 /source/$1"
-                else
-                    content="$content\nCOPY $1 /source/"
-                fi
-                ;;
-        esac
-
-        shift 1
-    done
-
-    write_base
-    if [ -n "$content" ]; then
-        echo -e "$content" >> ${DOCKER_FILE}
-    fi
-    if [ -n "$1" ]; then
-    echo -e "\nCOPY $1 /source/$1" >> ${DOCKER_FILE}
-    echo -e "RUN /source/$1" >> ${DOCKER_FILE}
-    fi
-
-    if [ "$RUN_EXEC" = "true" ]; then
-        $1
-    fi
-}
-
-finish()
-{
-    if [ "$RUN_EXEC" = true ]; then
-        return 0
-    fi
-    local cmd="docker build -t ${DOCKER_IMAGE} -f ${DOCKER_FILE} ."
-    echo Running $cmd
-    echo Pwd $(pwd)
-
-    cat ${DOCKER_FILE}
-
-    $cmd
-}
-
-reset_docker_build()
-{
-    BASE_WRITTEN=false
-}
-
-check()
-{
-    local hash=$1
-    local file=$2
-
-    if [ ! -e "$file" ]; then
-        return 1
-    fi
-
-    CURRENT=$(sha1sum $file | awk '{print $1}')
-
-    [ "$hash" = "$CURRENT" ]
-}
-
-download()
-{
-    mkdir -p ${ARTIFACTS}
-
-    local url=$2
-    local file=${ARTIFACTS}/$(basename $2)
-    local hash=$1
-
-    if ! check $hash $file; then
-        curl -sL $url > $file
-    fi
-
-    if ! check $hash $file; then
-        echo "ERROR: $file does not match checksum $hash, got $CURRENT" 1>&2
-        return 1
-    fi
-}
-
 list_build_files() {
     find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl
     find $(find ./arch/${SRCARCH} -name include -o -name scripts -type d) ./include ./scripts -type f
diff --git a/scripts/build-kernel b/scripts/build-kernel
index e5f3068..38cf79b 100755
--- a/scripts/build-kernel
+++ b/scripts/build-kernel
@@ -29,6 +29,7 @@ fi
 cd ${DIR}
 cp ${CONFIG}/kernel-config .config
 
+# TODO update config/kernel-config for the latest kernel
 make oldconfig
 make -j$(nproc) tar-pkg
 
diff --git a/scripts/ci b/scripts/ci
index f71efad..296268d 100755
--- a/scripts/ci
+++ b/scripts/ci
@@ -3,15 +3,5 @@ set -e
 
 cd $(dirname $0)/..
 
-DOCKER_IMAGE=${DOCKER_IMAGE:=rancher-os-kernel-build}
-
-source scripts/build-common
-
-run --assets ./scripts/build-common \
-    ./scripts/bootstrap
-run ./scripts/download
-run --assets ./scripts/firmware
-run --assets ./config/kernel-config \
-    ./scripts/build-kernel
-
-finish
+./scripts/download
+./scripts/build-kernel
diff --git a/scripts/download b/scripts/download
index 4cfb9a2..494f4ef 100755
--- a/scripts/download
+++ b/scripts/download
@@ -6,4 +6,36 @@ cd $(dirname $0)/..
 
 source scripts/build-common
 
+check()
+{
+    local hash=$1
+    local file=$2
+
+    if [ ! -e "$file" ]; then
+        return 1
+    fi
+
+    CURRENT=$(sha1sum $file | awk '{print $1}')
+
+    [ "$hash" = "$CURRENT" ]
+}
+
+download()
+{
+    mkdir -p ${ARTIFACTS}
+
+    local url=$2
+    local file=${ARTIFACTS}/$(basename $2)
+    local hash=$1
+
+    if ! check $hash $file; then
+        curl -sL $url > $file
+    fi
+
+    if ! check $hash $file; then
+        echo "ERROR: $file does not match checksum $hash, got $CURRENT" 1>&2
+        return 1
+    fi
+}
+
 download ${KERNEL_SHA1} ${KERNEL_URL}