{"id":2111,"date":"2019-08-22T06:57:55","date_gmt":"2019-08-22T06:57:55","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=2111"},"modified":"2020-05-02T07:31:07","modified_gmt":"2020-05-02T07:31:07","slug":"immutable-architecture","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-devops-engineer\/immutable-architecture\/","title":{"rendered":"Immutable Architecture"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>It refers to a system where virtual instances\nare \u201cdisposable\u201d <\/li><li>once you instantiate infrastructure and code,\nyou never change the instance<\/li><li>Essence is disposable infrastructure<\/li><li>It enables<ul><li>infrastructure\nnever strays from its initial \u201cknown-good\u201d state<\/li><\/ul><ul><li>operations\nare simplified<\/li><\/ul><ul><li>\u201cfailure\u201d\nis a routine and continuous way of doing business<\/li><\/ul><\/li><li>requires full automation of the environment\ninvolving<ul><li>resource\nprovisioning <\/li><\/ul><ul><li>bootstrapping<\/li><\/ul><ul><li>package\ninstallation<\/li><\/ul><ul><li>code\ndeployment<\/li><\/ul><\/li><li>Use Elastic Beanstalk in AWS<\/li><\/ul>\n\n\n\n<p>To enable immutable\nupdates (console) in Elastic Beanstalk<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Open the Elastic Beanstalk console.<\/li><li>Navigate to the management page for your\nenvironment.<\/li><li>Choose Configuration.<\/li><li>In the Rolling updates and deployments\nconfiguration category, choose Modify.<\/li><li>In the Configuration Updates section, set\nRolling update type to Immutable.<\/li><\/ul>\n\n\n\n<p><strong>Immutable server pattern <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>It makes use of disposable components <\/li><li>For everything that makes up an application that\nis not data. <\/li><li>Hence, once application is deployed, nothing\nchanges on the server<\/li><li>The packaged code and any deploy scripts is\nessentially baked into server. <\/li><li>No outside process is able to modify the\ncontents after the server has been deployed.<\/li><li>For example, with Docker containers to deploy\ncode, all resource needed will be in the Docker image, which is used to create\nand run a container.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"519\" height=\"299\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image011-1.png\" alt=\"\" class=\"wp-image-2112\"\/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It refers to a system where virtual instances are \u201cdisposable\u201d once you instantiate infrastructure and code, you never change the instance Essence is disposable infrastructure It enables infrastructure never strays from its initial \u201cknown-good\u201d state operations are simplified \u201cfailure\u201d is a routine and continuous way of doing business requires full automation of the environment involving&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2084,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,372,380,382],"class_list":["post-2111","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-devops","tag-devops-engineer","tag-immutable-architecture"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - 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