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booklore/entrypoint.sh

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#!/bin/sh
set -e
USER_ID="${USER_ID:-1000}"
GROUP_ID="${GROUP_ID:-1000}"
# Create group and user if they don't exist
if ! getent group "$GROUP_ID" >/dev/null 2>&1; then
addgroup -g "$GROUP_ID" -S booklore
fi
if ! getent passwd "$USER_ID" >/dev/null 2>&1; then
adduser -u "$USER_ID" -G "$(getent group "$GROUP_ID" | cut -d: -f1)" -S -D booklore
fi
# Ensure data and bookdrop directories exist and are writable by the target user
mkdir -p /app/data /bookdrop
chown "$USER_ID:$GROUP_ID" /app/data /bookdrop 2>/dev/null || true
exec su-exec "$USER_ID:$GROUP_ID" "$@"