1 00:00:04,830 --> 00:00:13,620 Now let's keep this window open here and let's increase quantity of the bolts in our deployment. 2 00:00:13,650 --> 00:00:15,900 Let's scale our deployment. 3 00:00:16,350 --> 00:00:19,850 I'll open up new tab in the term application. 4 00:00:19,860 --> 00:00:22,750 You could open a new terminal window if you're on windows. 5 00:00:22,770 --> 00:00:28,340 I'll use key combination command in order to open new tab here and here in the new tab. 6 00:00:28,350 --> 00:00:34,380 If I enter key, I will say error command not found because alias works only in this tab. 7 00:00:34,410 --> 00:00:36,960 That's why let's create alias once again. 8 00:00:37,050 --> 00:00:40,570 Alias K equals sign kub still. 9 00:00:40,590 --> 00:00:46,810 By the way, you could omit double quotes here if command consists only of single word. 10 00:00:46,830 --> 00:00:50,910 So let me remove those double quotes like that alias was created. 11 00:00:50,910 --> 00:00:52,860 And now let's k get. 12 00:00:54,120 --> 00:00:55,200 And here I see. 13 00:00:55,200 --> 00:01:00,930 Same name of the port, which I saw here in the answer from the web server. 14 00:01:01,320 --> 00:01:03,990 Let's now scale this deployment. 15 00:01:04,019 --> 00:01:04,500 Recap. 16 00:01:04,500 --> 00:01:06,680 That name of our deployment is. 17 00:01:07,840 --> 00:01:09,420 Gay et se web. 18 00:01:09,430 --> 00:01:10,030 Hello. 19 00:01:10,060 --> 00:01:15,040 Here was the name of the deployment and now it currently has just single board. 20 00:01:15,490 --> 00:01:16,810 Let's scale it. 21 00:01:16,960 --> 00:01:19,510 Gay scale deployment. 22 00:01:20,480 --> 00:01:21,400 Gates. 23 00:01:21,410 --> 00:01:23,000 Webb Hello. 24 00:01:23,090 --> 00:01:27,590 And I would like to scale deployment to, let's say, four replicas. 25 00:01:27,620 --> 00:01:28,640 Let's go ahead. 26 00:01:28,670 --> 00:01:30,620 Deployment was scaled. 27 00:01:30,650 --> 00:01:32,600 Let's now get ports. 28 00:01:32,640 --> 00:01:34,070 K get ports. 29 00:01:34,730 --> 00:01:36,470 Now, there were four ports. 30 00:01:36,470 --> 00:01:38,780 One is still being created. 31 00:01:39,560 --> 00:01:40,780 Let's check back again. 32 00:01:40,790 --> 00:01:43,280 And now all four ports are running. 33 00:01:43,580 --> 00:01:45,610 All of them belong to the same deployment. 34 00:01:45,630 --> 00:01:46,880 Cate as Webb. 35 00:01:46,880 --> 00:01:47,480 Hello. 36 00:01:47,480 --> 00:01:51,530 And each boat, of course, has its own unique IP address. 37 00:01:51,560 --> 00:01:53,690 Let's get details about boats. 38 00:01:54,020 --> 00:01:55,970 Get boats this all white. 39 00:01:56,750 --> 00:02:00,500 And here I see different IP addresses of each boat. 40 00:02:00,920 --> 00:02:07,790 And of course, they differ from the cluster IP, which was created for specific service. 41 00:02:08,090 --> 00:02:11,420 Let's list services, get SVC. 42 00:02:11,540 --> 00:02:22,310 And here as before we see cluster IP for k eight as web hello service and each of those ports is now 43 00:02:22,310 --> 00:02:32,150 available via this cluster IP and Kubernetes will decide which port to choose for each particular request. 44 00:02:32,870 --> 00:02:40,010 Let's now go back to this step where we are inside of the Kubernetes node and try to make connections 45 00:02:40,010 --> 00:02:43,010 to this cluster IP and this port again. 46 00:02:44,330 --> 00:02:47,180 Let's call your terminal here and see your URL. 47 00:02:47,750 --> 00:02:51,330 Now I see response from this port with such name. 48 00:02:51,350 --> 00:02:54,710 If I repeat command, I see response from other port. 49 00:02:55,250 --> 00:02:57,080 Let's repeat command once again. 50 00:02:57,620 --> 00:02:58,610 Once again. 51 00:02:58,880 --> 00:02:59,840 And so on. 52 00:02:59,990 --> 00:03:01,460 I see that now. 53 00:03:01,460 --> 00:03:08,480 A lot is balanced across different ports because here I see responses from different ports. 54 00:03:09,020 --> 00:03:12,770 Different names appear here in the responses. 55 00:03:13,340 --> 00:03:16,460 Different ports serve different requests. 56 00:03:16,820 --> 00:03:19,250 And here are different names of the ports. 57 00:03:20,720 --> 00:03:24,650 That's how distribution of the Lord works in action. 58 00:03:24,650 --> 00:03:30,200 And now using such customarily built Docker image, we were able to prove that.