Set the bar before the doorbell rings. Put glasses where people can reach them, move ice into a clean bucket or freezer bin, cut citrus, and choose one easy opening drink. Place water nearby and keep a towel within reach. You do not need a full menu. You need a first move, a tidy surface, and enough structure to stay present with your guests.
Begin with the first ten minutes. Guests arrive thirsty, slightly uncertain, and often carrying something. If you can offer one simple drink immediately, the room settles. That drink can be a highball, spritz, batched sour, or non-alcoholic citrus soda. It should not require you to open six bottles while everyone watches.
Then separate service from storage. Put active bottles, tools, garnish, napkins, and water on the working surface. Put backups away. Set a landing zone for used glasses before you need it. Bon Appetit party advice often comes back to clear surfaces and conversation hubs; a bar works the same way. People need somewhere to place a glass without negotiating clutter.
Ice is the practical bottleneck. Make more than you think you need, store it sealed, and keep a scoop or tongs nearby. Cut citrus shortly before guests arrive so it stays fresh, but do not cut so much that it dries out. If you are making cocktails to order, pre-measure syrups and juices into small bottles.
The goal is to become available again. A prepared home bar lets you host instead of perform.
Further reading: Bon Appetit dinner party setup tips and Allrecipes home bar essentials.