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| 1 | +FROM debian:buster-slim |
| 2 | + |
| 3 | +# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added |
| 4 | +RUN groupadd -r -g 999 redis && useradd -r -g redis -u 999 redis |
| 5 | + |
| 6 | +# grab gosu for easy step-down from root |
| 7 | +# https://github.com/tianon/gosu/releases |
| 8 | +ENV GOSU_VERSION 1.11 |
| 9 | +RUN set -eux; \ |
| 10 | +# save list of currently installed packages for later so we can clean up |
| 11 | + savedAptMark="$(apt-mark showmanual)"; \ |
| 12 | + apt-get update; \ |
| 13 | + apt-get install -y --no-install-recommends \ |
| 14 | + ca-certificates \ |
| 15 | + dirmngr \ |
| 16 | + gnupg \ |
| 17 | + wget \ |
| 18 | + ; \ |
| 19 | + rm -rf /var/lib/apt/lists/*; \ |
| 20 | + \ |
| 21 | + dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')"; \ |
| 22 | + wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch"; \ |
| 23 | + wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc"; \ |
| 24 | + \ |
| 25 | +# verify the signature |
| 26 | + export GNUPGHOME="$(mktemp -d)"; \ |
| 27 | + gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \ |
| 28 | + gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu; \ |
| 29 | + gpgconf --kill all; \ |
| 30 | + rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc; \ |
| 31 | + \ |
| 32 | +# clean up fetch dependencies |
| 33 | + apt-mark auto '.*' > /dev/null; \ |
| 34 | + [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \ |
| 35 | + apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \ |
| 36 | + \ |
| 37 | + chmod +x /usr/local/bin/gosu; \ |
| 38 | +# verify that the binary works |
| 39 | + gosu --version; \ |
| 40 | + gosu nobody true |
| 41 | + |
| 42 | +RUN set -eux; \ |
| 43 | + apt-get update; \ |
| 44 | + apt-get install -y --no-install-recommends libc6-i386; \ |
| 45 | + rm -rf /var/lib/apt/lists/* |
| 46 | + |
| 47 | +ENV REDIS_VERSION placeholder |
| 48 | +ENV REDIS_DOWNLOAD_URL placeholder |
| 49 | +ENV REDIS_DOWNLOAD_SHA placeholder |
| 50 | + |
| 51 | +RUN set -eux; \ |
| 52 | + \ |
| 53 | + savedAptMark="$(apt-mark showmanual)"; \ |
| 54 | + apt-get update; \ |
| 55 | + apt-get install -y --no-install-recommends \ |
| 56 | + ca-certificates \ |
| 57 | + wget \ |
| 58 | + \ |
| 59 | + gcc \ |
| 60 | + gcc-multilib \ |
| 61 | + libc6-dev-i386 \ |
| 62 | + make \ |
| 63 | + ; \ |
| 64 | + rm -rf /var/lib/apt/lists/*; \ |
| 65 | + \ |
| 66 | + wget -O redis.tar.gz "$REDIS_DOWNLOAD_URL"; \ |
| 67 | + echo "$REDIS_DOWNLOAD_SHA *redis.tar.gz" | sha256sum -c -; \ |
| 68 | + mkdir -p /usr/src/redis; \ |
| 69 | + tar -xzf redis.tar.gz -C /usr/src/redis --strip-components=1; \ |
| 70 | + rm redis.tar.gz; \ |
| 71 | + \ |
| 72 | +# disable Redis protected mode [1] as it is unnecessary in context of Docker |
| 73 | +# (ports are not automatically exposed when running inside Docker, but rather explicitly by specifying -p / -P) |
| 74 | +# [1]: https://github.com/antirez/redis/commit/edd4d555df57dc84265fdfb4ef59a4678832f6da |
| 75 | +##<protected-mode-sed>## |
| 76 | + grep -E '^ *createBoolConfig[(]"protected-mode",.*, *1 *,.*[)],$' /usr/src/redis/src/config.c; \ |
| 77 | + sed -ri 's!^( *createBoolConfig[(]"protected-mode",.*, *)1( *,.*[)],)$!\10\2!' /usr/src/redis/src/config.c; \ |
| 78 | + grep -E '^ *createBoolConfig[(]"protected-mode",.*, *0 *,.*[)],$' /usr/src/redis/src/config.c; \ |
| 79 | +##</protected-mode-sed>## |
| 80 | +# for future reference, we modify this directly in the source instead of just supplying a default configuration flag because apparently "if you specify any argument to redis-server, [it assumes] you are going to specify everything" |
| 81 | +# see also https://github.com/docker-library/redis/issues/4#issuecomment-50780840 |
| 82 | +# (more exactly, this makes sure the default behavior of "save on SIGTERM" stays functional by default) |
| 83 | + \ |
| 84 | + make -C /usr/src/redis -j "$(nproc)" 32bit; \ |
| 85 | + make -C /usr/src/redis install; \ |
| 86 | + \ |
| 87 | +# TODO https://github.com/antirez/redis/pull/3494 (deduplicate "redis-server" copies) |
| 88 | + serverMd5="$(md5sum /usr/local/bin/redis-server | cut -d' ' -f1)"; export serverMd5; \ |
| 89 | + find /usr/local/bin/redis* -maxdepth 0 \ |
| 90 | + -type f -not -name redis-server \ |
| 91 | + -exec sh -eux -c ' \ |
| 92 | + md5="$(md5sum "$1" | cut -d" " -f1)"; \ |
| 93 | + test "$md5" = "$serverMd5"; \ |
| 94 | + ' -- '{}' ';' \ |
| 95 | + -exec ln -svfT 'redis-server' '{}' ';' \ |
| 96 | + ; \ |
| 97 | + \ |
| 98 | + rm -r /usr/src/redis; \ |
| 99 | + \ |
| 100 | + apt-mark auto '.*' > /dev/null; \ |
| 101 | + [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \ |
| 102 | + apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \ |
| 103 | + \ |
| 104 | + redis-cli --version; \ |
| 105 | + redis-server --version |
| 106 | + |
| 107 | +RUN mkdir /data && chown redis:redis /data |
| 108 | +VOLUME /data |
| 109 | +WORKDIR /data |
| 110 | + |
| 111 | +COPY docker-entrypoint.sh /usr/local/bin/ |
| 112 | +ENTRYPOINT ["docker-entrypoint.sh"] |
| 113 | + |
| 114 | +EXPOSE 6379 |
| 115 | +CMD ["redis-server"] |
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