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anonymous_github/scripts/mongodb-replica-entrypoint.sh
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#!/usr/bin/env bash
set -Eeuo pipefail
source_keyfile="${MONGO_REPLICA_KEYFILE_PATH:-/run/secrets/mongo-replica-keyfile}"
runtime_keyfile="/tmp/mongo-replica-keyfile"
if [[ ! -s "$source_keyfile" ]]; then
echo "MongoDB replica keyfile is missing or empty: $source_keyfile" >&2
exit 1
fi
# Bind-mounted secrets commonly have host ownership or permissive modes that
# mongod rejects. Copy to an ephemeral location with the required ownership
# and permissions before the official image entrypoint drops privileges.
install -m 400 -o mongodb -g mongodb "$source_keyfile" "$runtime_keyfile"
exec /usr/local/bin/docker-entrypoint.sh "$@"