From 36135d58af893b99c4b95517deb499eb34afc7cc Mon Sep 17 00:00:00 2001
From: Seth Westphal <seth.westphal@chctelehealth.com>
Date: Mon, 30 Apr 2018 09:26:41 -0500
Subject: [PATCH] Remove Node.js 4.

---
 .travis.yml                   | 30 ----------------
 4/Dockerfile                  | 62 --------------------------------
 4/alpine/Dockerfile           | 68 -----------------------------------
 4/architectures               |  6 ----
 4/onbuild/Dockerfile          | 12 -------
 4/slim/Dockerfile             | 67 ----------------------------------
 4/stretch/Dockerfile          | 62 --------------------------------
 4/wheezy/Dockerfile           | 58 ------------------------------
 README.md                     |  4 +--
 functions.sh                  |  2 +-
 generate-stackbrew-library.sh |  2 --
 test-build.sh                 |  4 +--
 12 files changed, 5 insertions(+), 372 deletions(-)
 delete mode 100644 4/Dockerfile
 delete mode 100644 4/alpine/Dockerfile
 delete mode 100644 4/architectures
 delete mode 100644 4/onbuild/Dockerfile
 delete mode 100644 4/slim/Dockerfile
 delete mode 100644 4/stretch/Dockerfile
 delete mode 100644 4/wheezy/Dockerfile

diff --git a/.travis.yml b/.travis.yml
index 71adcb4f..7901fcc0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -68,36 +68,6 @@ jobs:
          - NODE_VERSION: "10"
          - VARIANT: "wheezy"
 
-    - stage: Build
-      env:
-         - NODE_VERSION: "4"
-         - VARIANT: "default"
-
-    - stage: Build
-      env:
-         - NODE_VERSION: "4"
-         - VARIANT: "alpine"
-
-    - stage: Build
-      env:
-         - NODE_VERSION: "4"
-         - VARIANT: "onbuild"
-
-    - stage: Build
-      env:
-         - NODE_VERSION: "4"
-         - VARIANT: "slim"
-
-    - stage: Build
-      env:
-         - NODE_VERSION: "4"
-         - VARIANT: "stretch"
-
-    - stage: Build
-      env:
-         - NODE_VERSION: "4"
-         - VARIANT: "wheezy"
-
     - stage: Build
       env:
          - NODE_VERSION: "6"
diff --git a/4/Dockerfile b/4/Dockerfile
deleted file mode 100644
index c4bceeb6..00000000
--- a/4/Dockerfile
+++ /dev/null
@@ -1,62 +0,0 @@
-FROM buildpack-deps:jessie
-
-RUN groupadd --gid 1000 node \
-  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
-
-# gpg keys listed at https://github.com/nodejs/node#release-team
-RUN set -ex \
-  && for key in \
-    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    FD3A5288F042B6850C66B31F09FE44734EB7990E \
-    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
-    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
-    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
-    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
-    56730D5401028683275BD23C23EFEFE93C4CFFFE \
-    77984A986EBC2AA786BC0F66B01FBB92821C587A \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
-  done
-
-ENV NODE_VERSION 4.9.1
-
-RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
-  && case "${dpkgArch##*-}" in \
-    amd64) ARCH='x64';; \
-    ppc64el) ARCH='ppc64le';; \
-    s390x) ARCH='s390x';; \
-    arm64) ARCH='arm64';; \
-    armhf) ARCH='armv7l';; \
-    i386) ARCH='x86';; \
-    *) echo "unsupported architecture"; exit 1 ;; \
-  esac \
-  && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.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-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
-  && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
-  && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
-
-ENV YARN_VERSION 1.5.1
-
-RUN set -ex \
-  && for key in \
-    6A010C5166006599AA17F08146C2130DFD2497F5 \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$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 \
-  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
-
-CMD [ "node" ]
diff --git a/4/alpine/Dockerfile b/4/alpine/Dockerfile
deleted file mode 100644
index 630feaf3..00000000
--- a/4/alpine/Dockerfile
+++ /dev/null
@@ -1,68 +0,0 @@
-FROM alpine:3.4
-
-ENV NODE_VERSION 4.9.1
-
-RUN addgroup -g 1000 node \
-    && adduser -u 1000 -G node -s /bin/sh -D node \
-    && apk add --no-cache \
-        libstdc++ \
-    && apk add --no-cache --virtual .build-deps \
-        binutils-gold \
-        curl \
-        g++ \
-        gcc \
-        gnupg \
-        libgcc \
-        linux-headers \
-        make \
-        python \
-  # gpg keys listed at https://github.com/nodejs/node#release-team
-  && for key in \
-    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    FD3A5288F042B6850C66B31F09FE44734EB7990E \
-    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
-    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
-    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
-    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
-    56730D5401028683275BD23C23EFEFE93C4CFFFE \
-    77984A986EBC2AA786BC0F66B01FBB92821C587A \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$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$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt
-
-ENV YARN_VERSION 1.5.1
-
-RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
-  && for key in \
-    6A010C5166006599AA17F08146C2130DFD2497F5 \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$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 \
-  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
-
-CMD [ "node" ]
diff --git a/4/architectures b/4/architectures
deleted file mode 100644
index c892e4f2..00000000
--- a/4/architectures
+++ /dev/null
@@ -1,6 +0,0 @@
-bashbrew-arch   variants
-amd64     default,alpine,onbuild,slim,stretch,wheezy
-ppc64le default,onbuild,slim,stretch
-arm64v8 default,onbuild,slim,stretch
-arm32v7 default,onbuild,slim,stretch
-i386 default,onbuild,slim,stretch
diff --git a/4/onbuild/Dockerfile b/4/onbuild/Dockerfile
deleted file mode 100644
index e0e3cdd6..00000000
--- a/4/onbuild/Dockerfile
+++ /dev/null
@@ -1,12 +0,0 @@
-FROM node:4.9.1
-
-RUN mkdir -p /usr/src/app
-WORKDIR /usr/src/app
-
-ONBUILD ARG NODE_ENV
-ONBUILD ENV NODE_ENV $NODE_ENV
-ONBUILD COPY package.json /usr/src/app/
-ONBUILD RUN npm install && npm cache clean --force
-ONBUILD COPY . /usr/src/app
-
-CMD [ "npm", "start" ]
diff --git a/4/slim/Dockerfile b/4/slim/Dockerfile
deleted file mode 100644
index 0a8329b7..00000000
--- a/4/slim/Dockerfile
+++ /dev/null
@@ -1,67 +0,0 @@
-FROM buildpack-deps:jessie-curl
-
-RUN groupadd --gid 1000 node \
-  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
-
-# gpg keys listed at https://github.com/nodejs/node#release-team
-RUN set -ex \
-  && for key in \
-    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    FD3A5288F042B6850C66B31F09FE44734EB7990E \
-    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
-    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
-    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
-    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
-    56730D5401028683275BD23C23EFEFE93C4CFFFE \
-    77984A986EBC2AA786BC0F66B01FBB92821C587A \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
-  done
-
-ENV NODE_VERSION 4.9.1
-
-RUN buildDeps='xz-utils' \
-    && ARCH= && dpkgArch="$(dpkg --print-architecture)" \
-    && case "${dpkgArch##*-}" in \
-      amd64) ARCH='x64';; \
-      ppc64el) ARCH='ppc64le';; \
-      s390x) ARCH='s390x';; \
-      arm64) ARCH='arm64';; \
-      armhf) ARCH='armv7l';; \
-      i386) ARCH='x86';; \
-      *) echo "unsupported architecture"; exit 1 ;; \
-    esac \
-    && set -x \
-    && apt-get update && apt-get install -y $buildDeps --no-install-recommends \
-    && rm -rf /var/lib/apt/lists/* \
-    && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.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-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
-    && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
-    && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-    && apt-get purge -y --auto-remove $buildDeps \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
-
-ENV YARN_VERSION 1.5.1
-
-RUN set -ex \
-  && for key in \
-    6A010C5166006599AA17F08146C2130DFD2497F5 \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$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 \
-  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
-
-CMD [ "node" ]
diff --git a/4/stretch/Dockerfile b/4/stretch/Dockerfile
deleted file mode 100644
index f6ac1537..00000000
--- a/4/stretch/Dockerfile
+++ /dev/null
@@ -1,62 +0,0 @@
-FROM buildpack-deps:stretch
-
-RUN groupadd --gid 1000 node \
-  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
-
-# gpg keys listed at https://github.com/nodejs/node#release-team
-RUN set -ex \
-  && for key in \
-    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    FD3A5288F042B6850C66B31F09FE44734EB7990E \
-    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
-    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
-    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
-    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
-    56730D5401028683275BD23C23EFEFE93C4CFFFE \
-    77984A986EBC2AA786BC0F66B01FBB92821C587A \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
-  done
-
-ENV NODE_VERSION 4.9.1
-
-RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
-  && case "${dpkgArch##*-}" in \
-    amd64) ARCH='x64';; \
-    ppc64el) ARCH='ppc64le';; \
-    s390x) ARCH='s390x';; \
-    arm64) ARCH='arm64';; \
-    armhf) ARCH='armv7l';; \
-    i386) ARCH='x86';; \
-    *) echo "unsupported architecture"; exit 1 ;; \
-  esac \
-  && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.tar.xz" \
-  && curl -SLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
-  && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
-  && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
-  && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
-  && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
-
-ENV YARN_VERSION 1.5.1
-
-RUN set -ex \
-  && for key in \
-    6A010C5166006599AA17F08146C2130DFD2497F5 \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --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$YARN_VERSION.tar.gz \
-  && mkdir -p /opt \
-  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
-
-CMD [ "node" ]
diff --git a/4/wheezy/Dockerfile b/4/wheezy/Dockerfile
deleted file mode 100644
index de3d1a80..00000000
--- a/4/wheezy/Dockerfile
+++ /dev/null
@@ -1,58 +0,0 @@
-FROM buildpack-deps:wheezy
-
-RUN groupadd --gid 1000 node \
-  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
-
-# gpg keys listed at https://github.com/nodejs/node#release-team
-RUN set -ex \
-  && for key in \
-    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    FD3A5288F042B6850C66B31F09FE44734EB7990E \
-    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
-    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
-    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
-    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
-    56730D5401028683275BD23C23EFEFE93C4CFFFE \
-    77984A986EBC2AA786BC0F66B01FBB92821C587A \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
-  done
-
-ENV NODE_VERSION 4.9.1
-
-RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
-  && case "${dpkgArch##*-}" in \
-    amd64) ARCH='x64';; \
-    ppc64el) ARCH='ppc64le';; \
-    *) echo "unsupported architecture"; exit 1 ;; \
-  esac \
-  && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.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-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
-  && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
-  && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
-
-ENV YARN_VERSION 1.5.1
-
-RUN set -ex \
-  && for key in \
-    6A010C5166006599AA17F08146C2130DFD2497F5 \
-  ; do \
-    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
-    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
-    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$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 \
-  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
-  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
-
-CMD [ "node" ]
diff --git a/README.md b/README.md
index d9d7e0f4..7e60ad11 100644
--- a/README.md
+++ b/README.md
@@ -99,12 +99,12 @@ complete `Dockerfile`. In such cases, you can run a Node.js script by using the
 Node.js Docker image directly:
 
 ```console
-$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/app -w /usr/src/app node:4 node your-daemon-or-script.js
+$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/app -w /usr/src/app node:8 node your-daemon-or-script.js
 ```
 
 ## Verbosity
 
-Prior to 8.7.0, 6.11.4 and 4.8.4 the docker images overrode the default npm log
+Prior to 8.7.0 and 6.11.4 the docker images overrode the default npm log
 level from `warn` to `info`. However due to improvements to npm and new Docker
 patterns (e.g. multi-stage builds) the working group reached a [consensus](https://github.com/nodejs/docker-node/issues/528)
 to revert the log level to npm defaults. If you need more verbose output, please
diff --git a/functions.sh b/functions.sh
index f2e1ae86..86eb3062 100755
--- a/functions.sh
+++ b/functions.sh
@@ -132,7 +132,7 @@ function get_config () {
 # Get available versions for a given path
 #
 # If full or partial versions are provided then they are processed and
-# validated. e.g. "4 chakracore" returns "4 chakracore/8" since it processed the
+# validated. e.g. "6 chakracore" returns "6 chakracore/8" since it processed the
 # chakracore entry and found it to be a fork rather than a complete version.
 #
 # The result is a list of valid versions.
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 8c75720f..a5609fa1 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -6,8 +6,6 @@ hash git 2>/dev/null || { echo >&2 "git not found, exiting."; }
 
 # Used dynamically: print "$array_" $1
 # shellcheck disable=SC2034
-array_4='4 argon';
-# shellcheck disable=SC2034
 array_6='6 boron';
 # shellcheck disable=SC2034
 array_8='8 carbon';
diff --git a/test-build.sh b/test-build.sh
index 240c191c..c03607f1 100755
--- a/test-build.sh
+++ b/test-build.sh
@@ -7,8 +7,8 @@ set -uo pipefail
 . functions.sh
 
 # Convert comma delimited cli arguments to arrays
-# E.g. ./test-build.sh 4,6 slim,onbuild
-# "4,6" becomes "4 6" and "slim,onbuild" becomes "slim onbuild"
+# E.g. ./test-build.sh 8,10 slim,onbuild
+# "8,10" becomes "8 10" and "slim,onbuild" becomes "slim onbuild"
 IFS=',' read -ra versions_arg <<< "${1:-}"
 IFS=',' read -ra variant_arg <<< "${2:-}"