entrypoint.sh

#!/bin/sh
set -e

# Check if the user needs to be created
if [ "$(id -u)" = "0" ]; then
    if id "$USER_ID" >/dev/null 2>&1; then
        echo "User with ID $USER_ID already exists."
    else
        useradd -m -u "$USER_ID" user
        chown -R user:user /app
    fi
fi

# Execute the CMD or provided command
exec "$@"