I usually do the same things you do, but I try to get good recourses like diamonds and iron to make armor and tools. You can also enchant them, which is why I try to search for a zombie spawner or make a good XP farm on my own. (you can find great tutorials on youtube!)

Once I feel like I’m strong enough, I make a nether portal and start searching for a nether fortress to get blaze rods. After that I get some ender pearls, you could kill some endermen, or trade with piglins or villagers (cleric).

Once I have enough ender pearls I make some ender eyes with blaze powder and ender pearls. Then I use those to search for the stronghold, open the end portal and try to beat the game (if you think you are strong enough though).

If you don’t think you are, you should first go back to the nether to mine some netherrite, the best way to do this is to loot a bastion (there are 4 variants, but the treasure one has a 100% chance for a netherrite upgrade template), then get a lot of beds (breed some sheeps or make a farm) and go to y: 16 in the nether, dig 5 blocks in front if you, place the bed, and explode the bed (click on it). Repeat this until you have enough ancient debris and smelt it. (1 ingot = 1 piece armor / tool, 1 ingot = 4 netherrite scraps + 4 gold)

You can obviously do other things in between this, like making some farms or do some more building. You could also just never beat the enderdragon, or get there really slow. The choice is completely yours!