Q.Tomato plant not producing fruit
I live in Hawaii & have a yomato plant in a large pot. lots of blooms but only 4 have puoduced fruit. plenty of direct sunlight & water twice daily am & pm umless we have gotten rain. Bloomstend to dry up. The 4 tomatoes that have been produced are nice size& sppear to be growing nicely. ???
Make sure that your soil is sufficient for growing tomatoes.
Soil should be well draining.
There could be a few issues for lack of fruit, including the varieties you are growing.
These articles will help you.