You should only travel abroad if it is essential to do so. The following are essential reasons for travelling abroad:
To go to college or school if you have to be there in person
To go with a child or a vulnerable adult to school if they have to be there in person
To work or travel related to your business
To go to a medical or dental appointment, or to go to an appointment with someone you live with, or a vulnerable person
To seek essential medical, health or dental services, or to accompany someone you live with, or a vulnerable person who needs essential treatment
To care for a family member or for other vital family reasons
To go to a funeral
To meet a legal obligation (for example, to appear in court)
To give access to a child to the other parent of the child, or to access a child that you have a right of access to
To leave Ireland if you are not resident in Ireland
You can be fined €500 for unnecessary travel abroad.
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https://www.citizensinformation.ie/