Ok, here it is. Quite a bit of it is up to personal preference, especially how long you ferment for.
1 Head of Napa cabbage (say 4 lb. The rest of the recipe is scaled to this size of cabbage)
½ cup of large-flaked salt (kosher, Maldon, etc)
2 TBSP grated garlic
2 tsp grated ginger
2 tsp...