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Dockerfile
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Dockerfile
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FROM openjdk:8-jre
# install plugin dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
apt-transport-https \
libzmq3 \
&& rm -rf /var/lib/apt/lists/*
# the "ffi-rzmq-core" gem is very picky about where it looks for libzmq.so
RUN mkdir -p /usr/local/lib \
&& ln -s /usr/lib/*/libzmq.so.3 /usr/local/lib/libzmq.so
# grab gosu for easy step-down from root
ENV GOSU_VERSION 1.10
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="$(mktemp -d)" \
&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
&& rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true
RUN set -ex; \
# https://artifacts.elastic.co/GPG-KEY-elasticsearch
key='46095ACC8548582C1A2699A9D27D666CD88E42B4'; \
export GNUPGHOME="$(mktemp -d)"; \
gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
gpg --export "$key" > /etc/apt/trusted.gpg.d/elastic.gpg; \
rm -rf "$GNUPGHOME"; \
apt-key list
# https://www.elastic.co/guide/en/logstash/5.0/installing-logstash.html#_apt
RUN echo 'deb https://artifacts.elastic.co/packages/5.x/apt stable main' > /etc/apt/sources.list.d/logstash.list
ENV LOGSTASH_VERSION 5.4.3
ENV LOGSTASH_DEB_VERSION 1:5.4.3-1
RUN set -x \
&& apt-get update \
&& apt-get install -y --no-install-recommends "logstash=$LOGSTASH_DEB_VERSION" \
&& rm -rf /var/lib/apt/lists/*
ENV PATH /usr/share/logstash/bin:$PATH
# necessary for 5.0+ (overriden via "--path.settings", ignored by < 5.0)
ENV LS_SETTINGS_DIR /etc/logstash
# comment out some troublesome configuration parameters
# path.config: No config files found: /etc/logstash/conf.d/*
RUN set -ex; \
if [ -f "$LS_SETTINGS_DIR/logstash.yml" ]; then \
sed -ri 's!^path\.config:!#&!g' "$LS_SETTINGS_DIR/logstash.yml"; \
fi; \
# if the "log4j2.properties" file exists (logstash 5.x), let's empty it out so we get the default: "logging only errors to the console"
if [ -f "$LS_SETTINGS_DIR/log4j2.properties" ]; then \
cp "$LS_SETTINGS_DIR/log4j2.properties" "$LS_SETTINGS_DIR/log4j2.properties.dist"; \
truncate --size=0 "$LS_SETTINGS_DIR/log4j2.properties"; \
fi
COPY docker-entrypoint.sh /
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["-e", ""]