1 00:00:04,960 --> 00:00:07,180 Let's save changes in this file. 2 00:00:07,180 --> 00:00:15,220 And now let me actually show how to find documentation on how to create specific YAML configuration 3 00:00:15,220 --> 00:00:15,880 files. 4 00:00:16,030 --> 00:00:23,050 Let's go to a web browser and here let's go to Kubernetes dot IO and go here to documentation. 5 00:00:23,050 --> 00:00:28,990 And here I go to reference and here are select Kubernetes API. 6 00:00:30,240 --> 00:00:37,620 And in Kubernetes API, you could select, for example, workload resources and you will find the details 7 00:00:37,620 --> 00:00:44,220 how to describe, for example, ports or create port template or create replica set. 8 00:00:44,760 --> 00:00:46,890 We just created deployment. 9 00:00:46,890 --> 00:00:52,350 Therefore, let's click on deployment section here and you will find the details. 10 00:00:52,350 --> 00:00:55,380 How to create YAML Configuration Files. 11 00:00:55,380 --> 00:01:03,420 If you want to create deployment, API version must be set to APS slash v one and below you will find 12 00:01:03,460 --> 00:01:08,370 other keys which must be present in deployment configuration file. 13 00:01:08,400 --> 00:01:11,460 For example, client must be set to deployment. 14 00:01:11,460 --> 00:01:15,780 Then there was metadata section spec status. 15 00:01:15,780 --> 00:01:23,610 Status, by the way, is filled by Kubernetes automatically and it will be added after you create deployment 16 00:01:23,610 --> 00:01:26,130 based on specific configuration file. 17 00:01:26,760 --> 00:01:34,260 And if I go back to configuration file here, I will find such keys as API version, kind metadata and 18 00:01:34,260 --> 00:01:41,190 spec same keys which are described here API version, kind metadata and spec. 19 00:01:41,190 --> 00:01:48,210 And if you want to get the details about deployment spec, you could click here and you will find that 20 00:01:48,210 --> 00:01:54,960 inside of the spec you have to specify selector template, replicas, strategy, mean ready seconds 21 00:01:54,960 --> 00:01:56,130 and so on. 22 00:01:56,130 --> 00:02:03,300 And if I have a look at this pack here, I will find out that inside of spec in this example, there 23 00:02:03,300 --> 00:02:09,660 was selector and template, selector and template here and both are required. 24 00:02:11,220 --> 00:02:16,550 If you click on template, you will read details about both template spec. 25 00:02:16,560 --> 00:02:23,580 Let's click on it and here you will find that inside of the port template spec, you have to specify 26 00:02:23,610 --> 00:02:27,480 metadata and spec, which is port spec. 27 00:02:27,720 --> 00:02:31,990 And that's what we added here in the template section. 28 00:02:32,010 --> 00:02:40,080 Metadata and spec for the port, let's click on port spec and read details about port specification. 29 00:02:40,110 --> 00:02:46,530 Containers is required and you could add multiple containers in the port specification if you want to 30 00:02:46,530 --> 00:02:47,190 do so. 31 00:02:47,670 --> 00:02:51,900 And here in this spec we have containers, here it is. 32 00:02:52,110 --> 00:02:54,270 Let's click on container here. 33 00:02:54,390 --> 00:02:59,520 And in this container specification you will find name which is required. 34 00:02:59,740 --> 00:03:02,700 That's why we set name as this. 35 00:03:03,210 --> 00:03:07,230 Also, you have to set image for specific container. 36 00:03:08,070 --> 00:03:15,090 Helios Image Resources and ports are also described here on this documentation page. 37 00:03:15,090 --> 00:03:16,860 So here is ports section. 38 00:03:18,210 --> 00:03:22,230 Also you could set, for instance, environment variables for a particular container. 39 00:03:22,740 --> 00:03:28,950 I highly recommend to you to get familiar with documentation and with all options available, and I 40 00:03:28,950 --> 00:03:35,670 just demonstrated to you how you could dig through documentation and find out how to fill different 41 00:03:35,670 --> 00:03:38,190 sections of the configuration file.