Use oznu/s6-alpine base image

Dockerfile

@@ -1,29 +1,67 @@
-FROM node:6.11.0-alpine
+FROM oznu/s6-alpine
 
-ENV ARCH=amd64
+ENV NPM_CONFIG_LOGLEVEL info
+ENV NODE_VERSION 6.11.0
 
-RUN echo http://dl-2.alpinelinux.org/alpine/edge/community/ >> /etc/apk/repositories
+RUN addgroup -g 2000 node \
+    && adduser -u 2000 -G node -s /bin/sh -D node \
+    && apk add --no-cache \
+        libstdc++ \
+    && apk add --no-cache --virtual .build-deps \
+        binutils-gold \
+        curl \
+        g++ \
+        gcc \
+        gnupg \
+        libgcc \
+        linux-headers \
+        make \
+        python \
+  # gpg keys listed at https://github.com/nodejs/node#release-team
+  && for key in \
+    9554F04D7259F04124DE6B476D5A82AC7E37093B \
+    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
+    FD3A5288F042B6850C66B31F09FE44734EB7990E \
+    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
+    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
+    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
+    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+    56730D5401028683275BD23C23EFEFE93C4CFFFE \
+  ; do \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" ; \
+  done \
+    && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
+    && curl -SLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
+    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
+    && grep " node-v$NODE_VERSION.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
+    && tar -xf "node-v$NODE_VERSION.tar.xz" \
+    && cd "node-v$NODE_VERSION" \
+    && ./configure \
+    && make -j$(getconf _NPROCESSORS_ONLN) \
+    && make install \
+    && apk del .build-deps \
+    && cd .. \
+    && rm -Rf "node-v$NODE_VERSION" \
+    && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt
 
-# s6 overlay
-RUN apk add --no-cache curl coreutils tzdata shadow \
- && curl -L -s https://github.com/just-containers/s6-overlay/releases/download/v1.19.1.1/s6-overlay-${ARCH}.tar.gz | tar xvzf - -C / \
- && apk del --no-cache curl
+ENV YARN_VERSION 0.24.6
 
-COPY rootfs /
-
-# create user
-RUN groupmod -g 911 users && \
-  useradd -u 911 -U -d /config -s /bin/false abc && \
-  usermod -G users abc && \
-
-  # make folders
-  mkdir -p \
-   /app \
-   /config \
-   /defaults && \
-
-  # clean up
-  apk del --purge \
-  rm -rf /tmp/*
-
-ENTRYPOINT [ "/init" ]
+RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
+  && for key in \
+    6A010C5166006599AA17F08146C2130DFD2497F5 \
+  ; do \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" ; \
+  done \
+  && curl -fSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
+  && curl -fSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
+  && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  && mkdir -p /opt/yarn \
+  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/yarn --strip-components=1 \
+  && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarn \
+  && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarnpkg \
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  && apk del .build-deps-yarn

Dockerfile.raspberry-pi

@@ -1,13 +1,10 @@
-FROM arm32v6/alpine:3.6
+FROM oznu/s6-alpine:armhf
 
-ENV ARCH=armhf
-
-# Build and install node.js
 ENV NPM_CONFIG_LOGLEVEL info
 ENV NODE_VERSION 6.11.0
 
-RUN addgroup -g 1000 node \
-    && adduser -u 1000 -G node -s /bin/sh -D node \
+RUN addgroup -g 2000 node \
+    && adduser -u 2000 -G node -s /bin/sh -D node \
     && apk add --no-cache \
         libstdc++ \
     && apk add --no-cache --virtual .build-deps \
@@ -68,30 +65,3 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apk del .build-deps-yarn
-
-# Add S6 Overlay
-RUN echo http://dl-2.alpinelinux.org/alpine/edge/community/ >> /etc/apk/repositories && \
- apk add --no-cache curl coreutils tzdata shadow \
- && curl -L -s https://github.com/just-containers/s6-overlay/releases/download/v1.19.1.1/s6-overlay-${ARCH}.tar.gz | tar xvzf - -C / \
- && apk del --no-cache curl
-
-COPY rootfs /
-
-# Create user
-RUN groupmod -g 911 users && \
-  useradd -u 911 -U -d /config -s /bin/false abc && \
-  usermod -G users abc && \
-
-  # Make folders
-  mkdir -p \
-   /app \
-   /config \
-   /defaults && \
-
-  # Clean up
-  apk del --purge \
-  rm -rf /tmp/*
-
-ENTRYPOINT [ "/init" ]
-
-RUN node -v