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FROM postgres:9.6-alpine
MAINTAINER Daniel Dent (https://www.danieldent.com)
ENV PG_MAX_WAL_SENDERS 8
ENV PG_WAL_KEEP_SEGMENTS 8
ENV GOSU_VERSION 1.11
RUN set -eux; \
\
apk add --no-cache --virtual .gosu-deps \
dpkg \
gnupg \
; \
\
dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')"; \
wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch"; \
wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc"; \
\
# verify the signature
export GNUPGHOME="$(mktemp -d)"; \
# for flaky keyservers, consider https://github.com/tianon/pgp-happy-eyeballs, ala https://github.com/docker-library/php/pull/666
gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \
gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu; \
command -v gpgconf && gpgconf --kill all || :; \
rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc; \
\
# clean up fetch dependencies
apk del --no-network .gosu-deps; \
\
chmod +x /usr/local/bin/gosu; \
# verify that the binary works
gosu --version; \
gosu nobody true
COPY setup-replication.sh /docker-entrypoint-initdb.d/
COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint-initdb.d/setup-replication.sh /docker-entrypoint.sh