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Fix "gpg" usage to stop relying on deprecated and insecure behavior #30

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Feb 29, 2016
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Fix "gpg" usage to stop relying on deprecated and insecure behavior #30

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28 changes: 15 additions & 13 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -2,20 +2,22 @@ FROM node:4.2-slim

RUN groupadd user && useradd --create-home --home-dir /home/user -g user user

RUN set -x \
&& apt-get update \
&& apt-get install -y --no-install-recommends curl ca-certificates \
&& rm -rf /var/lib/apt/lists/*
RUN apt-get update && apt-get install -y \
ca-certificates \
wget \
--no-install-recommends && rm -rf /var/lib/apt/lists/*

# grab gosu for easy step-down from root
RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
RUN arch="$(dpkg --print-architecture)" \
&& set -x \
&& curl -o /usr/local/bin/gosu -fSL "https://github.com/tianon/gosu/releases/download/1.7/gosu-$arch" \
&& curl -o /usr/local/bin/gosu.asc -fSL "https://github.com/tianon/gosu/releases/download/1.7/gosu-$arch.asc" \
&& gpg --verify /usr/local/bin/gosu.asc \
&& rm /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu
ENV GOSU_VERSION 1.7
RUN set -x \
&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
&& export GNUPGHOME="$(mktemp -d)" \
&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
&& rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true

ENV GHOST_SOURCE /usr/src/ghost
WORKDIR $GHOST_SOURCE
Expand All @@ -30,7 +32,7 @@ RUN buildDeps=' \
' \
&& set -x \
&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
&& curl -sSL "https://ghost.org/archives/ghost-${GHOST_VERSION}.zip" -o ghost.zip \
&& wget -O ghost.zip "https://ghost.org/archives/ghost-${GHOST_VERSION}.zip" \
&& unzip ghost.zip \
&& npm install --production \
&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
Expand Down