build-node.sh

#!/bin/sh

# from https://raw.githubusercontent.com/mhart/alpine-node/master/Dockerfile
VERSION='v6.10.2'
NPM_VERSION='3'
CONFIG_FLAGS="--fully-static --without-npm"
DEL_PKGS="libstdc++"
RM_DIRS=/usr/include
apk add --no-cache curl make gcc g++ python linux-headers binutils-gold gnupg libstdc++ && \
  gpg --keyserver ha.pool.sks-keyservers.net --recv-keys \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    56730D5401028683275BD23C23EFEFE93C4CFFFE && \
  curl -sSLO https://nodejs.org/dist/${VERSION}/node-${VERSION}.tar.xz && \
  curl -sSL https://nodejs.org/dist/${VERSION}/SHASUMS256.txt.asc | gpg --batch --decrypt | \
    grep " node-${VERSION}.tar.xz\$" | sha256sum -c | grep . && \
  tar -xf node-${VERSION}.tar.xz && \
  cd node-${VERSION} && \
  ./configure --prefix=/usr ${CONFIG_FLAGS} && \
  make -j$(getconf _NPROCESSORS_ONLN) && \
  make install && \
  cd / && \
  if [ -x /usr/bin/npm ]; then \
    npm install -g npm@${NPM_VERSION} && \
    find /usr/lib/node_modules/npm -name test -o -name .bin -type d | xargs rm -rf; \
  fi && \
  apk del curl make gcc g++ python linux-headers binutils-gold gnupg ${DEL_PKGS} && \
  rm -rf ${RM_DIRS} /node-${VERSION}* /usr/share/man /tmp/* /var/cache/apk/* \
    /root/.npm /root/.node-gyp /root/.gnupg /usr/lib/node_modules/npm/man \
    /usr/lib/node_modules/npm/doc /usr/lib/node_modules/npm/html /usr/lib/node_modules/npm/scripts

build.sh

#!/bin/bash -e
# Creates a systemd-nspawn container with Alpine

MIRROR=http://nl.alpinelinux.org/alpine
ARCH=x86_64
VERSION=v3.5
APKTOOLS_VERSION=2.6.8-r2


if [ $UID -ne 0 ]; then
  echo "run this script as root" >&2
  exit 1
fi

dest="alpine2"
node_dest="$dest/root"
apkdir=$(mktemp -d)
hostarch=x86
[ $(uname -m) == x86_64 ] && hostarch=x86_64


wget -qO- $MIRROR/latest-stable/main/$hostarch/apk-tools-static-$APKTOOLS_VERSION.apk \
  | tar -xz -C $apkdir

$apkdir/sbin/apk.static \
  -X $MIRROR/$VERSION/main -U \
  --allow-untrusted --root "$dest" \
  --initdb add alpine-base

mkdir -p "$dest"/{etc/apk,root}
printf 'nameserver 208.67.222.222\nnameserver 2620:0:ccc::2' >"$dest"/etc/resolv.conf
printf '%s/%s/main\n' $MIRROR $VERSION >"$dest"/etc/apk/repositories
sed '/tty[0-9]:/ s/^/#/' -i "$dest"/etc/inittab
printf 'console::respawn:/sbin/getty 38400 console\n' >>"$dest"/etc/inittab
for s in hostname bootmisc syslog; do
  ln -s /etc/init.d/$s "$dest"/etc/runlevels/boot/$s
done
for s in killprocs savecache; do
  ln -s /etc/init.d/$s "$dest"/etc/runlevels/shutdown/$s
done

# copy node build script
cp ./build-node "$node_dest"
chmod +x "$node_dest"
# mv alpine /var/lib/machines/alpine
systemd-nspawn -D "$dest" '/root/build-node'

rm -r $apkdir
echo ""
echo "Your Alpine container was created successfully."

Code sources:

• https://gist.github.com/sfan5/52aa53f5dca06ac3af30455b203d3404
• https://github.com/mhart/alpine-node/blob/master/Dockerfile