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FROM  elasticsearch:8.8.1

USER root
COPY entrypoint-root.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/entrypoint-root.sh && \
    apt update -y && \
    apt install -y gosu

ENTRYPOINT ["/bin/tini","--","/usr/local/bin/entrypoint-root.sh"]
CMD ["eswrapper"]

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#!/bin/bash
set -e

DATA_DIR="/usr/share/elasticsearch/data"

if [ "$(stat -c %U "$DATA_DIR")" != "elasticsearch" ]; then
    echo "Fixing ownership of $DATA_DIR"
    chown -R elasticsearch:elasticsearch "$DATA_DIR"
fi

if [ "$1" = "eswrapper" ]; then
    set -- elasticsearch
fi

exec gosu elasticsearch /usr/local/bin/docker-entrypoint.sh "$@"