function _ddev() {
    # limited to 100 images
    for i in {1..5}; do
        URL="https://hub.docker.com/v2/repositories/library/?page=$i&page_size=100"
        mapfile -t res < <(compgen -W \
            "$(curl -sfL "$URL" | jq -r '.results[].name')" \
            -- "${COMP_WORDS[1]}")
        if [ -z "${res[0]}" ]; then
            break
        fi
        COMPREPLY+=("${res[@]}")
    done
}
complete -F _ddev ddev