{"id":6568,"date":"2019-09-19T19:35:28","date_gmt":"2019-09-19T19:35:28","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=6568"},"modified":"2021-11-16T10:05:19","modified_gmt":"2021-11-16T10:05:19","slug":"microservices-demo-using-aws-lambda-dynamo-db-and-api-gateway","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/microservices-demo-using-aws-lambda-dynamo-db-and-api-gateway\/","title":{"rendered":"Microservices demo using AWS Lambda, Dynamo DB and API Gateway"},"content":{"rendered":"\n<p>Project blueprint of Lambda &#8211;  microservice-http-endpoint<\/p>\n\n\n\n<p>Description &#8211; simple backend (read\/write to DynamoDB) with a RESTful API endpoint using Amazon API Gateway.<\/p>\n\n\n\n<p>Make sure that Dynamo DB &#8220;raja&#8221; and token_id &#8220;Primary partition key    token_id (Number)&#8221; must be exist.<\/p>\n\n\n\n<p>POSTMAN for following script<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JSON \/ JSON with Comments\" data-shcb-language-slug=\"json\"><span><code class=\"hljs language-json\">\n\n{\n\t<span class=\"hljs-attr\">\"httpMethod\"<\/span>: <span class=\"hljs-string\">\"GET\"<\/span>,\n\t<span class=\"hljs-attr\">\"queryStringParameters\"<\/span>: {\n\t<span class=\"hljs-attr\">\"TableName\"<\/span>: <span class=\"hljs-string\">\"raja\"<\/span>\n    }\n}\n\n{\n<span class=\"hljs-attr\">\"httpMethod\"<\/span>: <span class=\"hljs-string\">\"POST\"<\/span>,\n<span class=\"hljs-attr\">\"body\"<\/span>: <span class=\"hljs-string\">\"{\\\"TableName\\\":\\\"raja\\\",\\\"Item\\\": {\\\"token_id\\\": 1,\\\"Token\\\": 33333}}\"<\/span>\n}\n\n{\n<span class=\"hljs-attr\">\"httpMethod\"<\/span>: <span class=\"hljs-string\">\"POST\"<\/span>,\n<span class=\"hljs-attr\">\"body\"<\/span>: <span class=\"hljs-string\">\"{\\\"TableName\\\":\\\"raja\\\",\\\"Item\\\": {\\\"token_id\\\": 2,\\\"Token\\\": 33333}}\"<\/span>\n}\n\n{\n<span class=\"hljs-attr\">\"httpMethod\"<\/span>: <span class=\"hljs-string\">\"POST\"<\/span>,\n<span class=\"hljs-attr\">\"body\"<\/span>: <span class=\"hljs-string\">\"{\\\"TableName\\\":\\\"raja\\\",\\\"Item\\\": {\\\"token_id\\\": 3,\\\"Token\\\": 33333}}\"<\/span>\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JSON \/ JSON with Comments<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">json<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n<div class=\"epyt-gallery\" data-currpage=\"1\" id=\"epyt_gallery_41613\"><iframe loading=\"lazy\"  id=\"_ytid_72922\"  width=\"760\" height=\"427\"  data-origwidth=\"760\" data-origheight=\"427\" src=\"https:\/\/www.youtube.com\/embed\/?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  no-lazyload\" title=\"YouTube player\"  data-epytgalleryid=\"epyt_gallery_41613\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><div class=\"epyt-gallery-list\"><div>Sorry, there was a YouTube error.<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Project blueprint of Lambda &#8211; microservice-http-endpoint Description &#8211; simple backend (read\/write to DynamoDB) with a RESTful API endpoint using Amazon API Gateway. Make sure that Dynamo DB &#8220;raja&#8221; and token_id&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[5633],"tags":[],"class_list":["post-6568","post","type-post","status-publish","format-standard","hentry","category-aws"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/6568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=6568"}],"version-history":[{"count":2,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/6568\/revisions"}],"predecessor-version":[{"id":25435,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/6568\/revisions\/25435"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=6568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=6568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=6568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}