Tips for travelling with a baby alone?

My baby is six months old and we are travelling abroad next week. I’ve travelled solo to 60+ countries (including while pregnant) but never alone with a baby. He’s also done a significant amount of travel, but we always had my husband along. This will be our first trip just the two of us.

Any recommendations? Tips for international travel with just you and a baby? I’m a little nervous, but can’t put my finger on why. Maybe just because it’s a new experience.