{"id":157874,"date":"2022-05-13T15:38:30","date_gmt":"2022-05-13T14:38:30","guid":{"rendered":"https:\/\/datascientest.com\/?p=157874"},"modified":"2023-11-09T14:23:29","modified_gmt":"2023-11-09T14:23:29","slug":"aws-lambda","status":"publish","type":"post","link":"https:\/\/datascientest.com\/aws-lambda","title":{"rendered":"AWS Lambda : Introduction aux fonctions serverless de Amazon Web Services"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"157874\" class=\"elementor elementor-157874\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fb03bef e-flex e-con-boxed e-con\" data-id=\"fb03bef\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ab207f elementor-widget elementor-widget-heading\" data-id=\"1ab207f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Introduit en 2014, AWS Lambda est une plateforme serverless de Function as a Service. Qu\u2019est-ce que cela signifie ? Quels sont les cas d\u2019usages principaux ? C\u2019est ce que nous allons d\u00e9tailler dans cet article, afin d\u2019expliquer la popularit\u00e9 croissante du service.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-85133b0 e-flex e-con-boxed e-con\" data-id=\"85133b0\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cf7ad5c elementor-widget elementor-widget-heading\" data-id=\"cf7ad5c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Qu\u2019est-ce AWS Lambda ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9eb0c6 elementor-widget elementor-widget-text-editor\" data-id=\"d9eb0c6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Fondamentalement, le principe de <strong>AWS Lambda<\/strong> est tr\u00e8s simple. Il s\u2019agit de d\u00e9ployer des fonctions (c&rsquo;est-\u00e0-dire du code), qui vont r\u00e9agir \u00e0 des \u00e9v\u00e9nements, sans s\u2019occuper de l\u2019infrastructure sous-jacente.<\/p><p>En clair, il n\u2019est pas n\u00e9cessaire d\u2019instancier des machines virtuelles (serveurs) sur lesquelles tournera notre application. <strong>AWS se charge pour vous de l\u2019environnement d&rsquo;ex\u00e9cution<\/strong>. C\u2019est pour cette raison que l\u2019on parle de service <strong>serverless (sans serveur)<\/strong> : m\u00eame s&rsquo;il existe bien s\u00fbr des serveurs qui permettent d\u2019h\u00e9berger l\u2019application, ils sont totalement abstraits pour le client.<\/p><p>Ceci a trois avantages principaux :<\/p><ul><li><strong>R\u00e9duire (et m\u00eame supprimer) le temps pass\u00e9 sur la gestion des serveurs<\/strong> : maintenance, mise \u00e0 jour, patch de s\u00e9curit\u00e9, etc.<\/li><li><strong>Permettre une scalabilit\u00e9 quasi infinie par d\u00e9faut<\/strong> : que la fonction soit ex\u00e9cut\u00e9e une fois par jour ou plus d\u2019un millions de fois, AWS adaptera le service en fonction, sans que vous ayez besoin de g\u00e9rer le load balancing et l\u2019auto scaling.<ul><li>Le <strong>load balancing<\/strong> (ou r\u00e9partition de charge) consiste \u00e0 r\u00e9partir des t\u00e2ches (par exemple des requ\u00eates \u00e0 traiter) sur un ensemble de serveurs plut\u00f4t qu\u2019un seul, afin de rendre le processus global plus efficient.<\/li><li>L\u2019<strong>auto scaling<\/strong> consiste \u00e0 ajuster automatiquement la capacit\u00e9 de calcul (c&rsquo;est-\u00e0-dire le nombre de serveurs derri\u00e8re le load balancer) en fonction de la charge (que l\u2019on peut par exemple mesurer gr\u00e2ce au nombre de requ\u00eates par minute).<\/li><\/ul><\/li><li><strong>Permettre une facturation en fonction de l\u2019usage<\/strong> : la facturation est faite par milliseconde d\u2019ex\u00e9cution. Si la fonction n\u2019est pas ex\u00e9cut\u00e9e, vous ne serez tout simplement pas factur\u00e9.<\/li><\/ul><p>\u00a0<\/p><p>Comme il n\u2019y a pas de serveur qui tourne en permanence, l\u2019ex\u00e9cution des fonctions doit \u00eatre d\u00e9clench\u00e9e \u00e0 partir d\u2019\u00e9v\u00e9nements. Les sources d\u2019\u00e9v\u00e9nements peuvent \u00eatre tr\u00e8s diverses : on peut d\u00e9clencher l\u2019ex\u00e9cution d\u2019une fonction lorsqu\u2019un fichier est <strong>t\u00e9l\u00e9vers\u00e9 sur un<\/strong> <a href=\"https:\/\/datascientest.com\/amazon-s3\">bucket S3<\/a>, qu\u2019un enregistrement est <strong>ajout\u00e9 \u00e0 une table<\/strong> <a href=\"https:\/\/datascientest.com\/amazon-dynamodb\">DynamoDB<\/a>, en r\u00e9ponse \u00e0 une requ\u00eate HTTP (via une int\u00e9gration avec le service <a href=\"https:\/\/aws.amazon.com\/fr\/api-gateway\/\">API Gateway<\/a>), ou bien simplement via un <strong>scheduling<\/strong> (on peut d\u00e9cider d\u2019invoquer la fonction p\u00e9riodiquement, toutes les minutes ou heures par exemple).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-82e87ef e-flex e-con-boxed e-con\" data-id=\"82e87ef\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8408364 elementor-widget elementor-widget-heading\" data-id=\"8408364\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quelques cas d\u2019usages<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-603d846 elementor-widget elementor-widget-text-editor\" data-id=\"603d846\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Les cas d\u2019usages des fonctions AWS Lambda sont tr\u00e8s vari\u00e9s, du fait de la <strong>grande quantit\u00e9 d\u2019int\u00e9grations avec d\u2019autres services<\/strong> en tant qu\u2019\u00e9v\u00e9nement source. On peut notamment faire du traitement de donn\u00e9es en temps r\u00e9el, de la transformation de fichier, ou m\u00eame des backends pour des applications web ou mobiles.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90800a1 elementor-widget elementor-widget-heading\" data-id=\"90800a1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">G\u00e9n\u00e9ration d'aper\u00e7us d\u2019image<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5968e7a elementor-widget elementor-widget-text-editor\" data-id=\"5968e7a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un des exemples les plus commun\u00e9ment \u00e9voqu\u00e9s de cas d\u2019usage est la g\u00e9n\u00e9ration de <strong>thumbnails (aper\u00e7u)<\/strong> lors du t\u00e9l\u00e9versement d\u2019une image sur un <strong>bucket (compartiment) S3<\/strong>.<\/p><p>Supposons que vous d\u00e9veloppiez une application qui permet \u00e0 des utilisateurs de t\u00e9l\u00e9verser des images, et de les partager. Vous souhaitez que l\u2019utilisateur puisse importer des photos en tr\u00e8s grande r\u00e9solution, mais vous souhaitez afficher des aper\u00e7us en faible r\u00e9solution sur la galerie d\u2019image, afin que celle-ci se charge rapidement.<\/p><p>Pour ce faire, vous pouvez utiliser S3 et Lambda : un premier <strong>compartiment S3<\/strong> peut \u00eatre <strong>utilis\u00e9 pour stocker les images<\/strong> de vos utilisateurs. En utilisant la notification d&rsquo;\u00e9v\u00e9nement, vous pouvez <strong>invoquer une fonction Lambda<\/strong> \u00e0 chaque fois qu&rsquo;un fichier est cr\u00e9\u00e9 dans ce compartiment. Cette fonction peut alors g\u00e9n\u00e9rer un aper\u00e7u \u00e0 partir de l\u2019image, puis la stocker dans un nouveau compartiment, qui contiendra donc l\u2019ensemble des thumbails :<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3aa0d68 elementor-widget elementor-widget-image\" data-id=\"3aa0d68\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"144\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-9-1.png\" class=\"attachment-large size-large wp-image-157890\" alt=\"fonctionnement d&#039;aws lambda pour les appercus d&#039;images\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-9-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-9-1-300x84.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3e6c82 elementor-widget elementor-widget-text-editor\" data-id=\"b3e6c82\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Gr\u00e2ce \u00e0 cette architecture<strong> serverless et event-driven<\/strong>, votre application passera \u00e0 l\u2019\u00e9chelle automatiquement en fonction du nombre de t\u00e9l\u00e9versements effectu\u00e9s par les utilisateurs.<\/p><p>On pourrait facilement imaginer d\u2019autres applications similaires :<\/p><ul><li>G\u00e9n\u00e9ration d\u2019une <strong>transcription automatique<\/strong> (via <a href=\"https:\/\/aws.amazon.com\/fr\/transcribe\/\">AWS Transcribe<\/a>) lors de l\u2019upload d\u2019un fichier audio.<\/li><li><strong>Traitement en temps r\u00e9el de donn\u00e9es<\/strong> provenant d\u2019un stream (Kinesis, Kafka).<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51b1ac2 elementor-widget elementor-widget-heading\" data-id=\"51b1ac2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Backends d'applications web et mobiles<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-512d382 elementor-widget elementor-widget-text-editor\" data-id=\"512d382\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400; color: #000000;\">Une autre application tr\u00e8s courante des fonctions AWS Lambda est le d\u00e9veloppement de backend pour des applications mobiles ou web.<\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">En effet, il est possible d\u2019utiliser une fonction Lambda pour traiter des requ\u00eates vers API Gateway.<\/span><\/p><p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">En utilisant \u00e9galement une base de donn\u00e9es telle que DynamoDB, vous pouvez d\u00e9velopper des backend enti\u00e8rement <\/span><i><span style=\"font-weight: 400;\">serverless<\/span><\/i><span style=\"font-weight: 400;\"> (couches web, applicative et base de donn\u00e9es), qui passera \u00e0 l\u2019\u00e9chelle parfaitement en fonction de l\u2019utilisation :<\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efa966c elementor-widget elementor-widget-image\" data-id=\"efa966c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"144\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-10-1.png\" class=\"attachment-large size-large wp-image-157894\" alt=\"fonctionnement d&#039;aws lambda pour les backend d&#039;applications\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-10-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-10-1-300x84.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b23be48 e-flex e-con-boxed e-con\" data-id=\"b23be48\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69ad143 elementor-widget elementor-widget-heading\" data-id=\"69ad143\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pour aller plus loin<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d21f4a elementor-widget elementor-widget-text-editor\" data-id=\"8d21f4a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vous l\u2019avez compris, AWS Lambda permet des applications tr\u00e8s vari\u00e9es, et c\u2019est ce qui explique en partie sa popularit\u00e9 croissante.<\/p><p>Il existe n\u00e9anmoins certaines <strong>limitations et complexit\u00e9s<\/strong> inh\u00e9rentes \u00e0 l\u2019utilisation des fonctions Lambda.<\/p><p>Parmi les limitations, on peut citer le temps d\u2019ex\u00e9cution maximal d\u2019une fonction, qui est de 15 minutes : les fonctions Lambda ne sont <strong>pas con\u00e7ues pour effectuer des t\u00e2ches longues<\/strong>. Par exemple, si vous souhaitez effectuer un entra\u00eenement de mod\u00e8le de Machine Learning, AWS Lambda ne sera probablement pas le bon choix. La <strong>m\u00e9moire des fonctions est \u00e9galement limit\u00e9e \u00e0 10Go<\/strong>, et la puissance CPU \u00e0 6 vCPUs.<\/p><p>Une autre complexit\u00e9 que l\u2019on peut citer est la <strong>difficult\u00e9 de d\u00e9velopper et d\u00e9ployer des applications complexes<\/strong> avec Lambda.<\/p><p>En effet, pour cr\u00e9er une fonction assez simple, vous pouvez simplement passer par la console AWS :<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-176db2c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"176db2c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bdf5e6b\" data-id=\"bdf5e6b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5c7f8c3 elementor-widget elementor-widget-heading\" data-id=\"5c7f8c3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pour aller plus loin<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1b3012 elementor-widget elementor-widget-text-editor\" data-id=\"b1b3012\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400; color: #000000;\">Vous l\u2019avez compris, AWS Lambda permet des applications tr\u00e8s vari\u00e9es, et c\u2019est ce qui explique en partie sa popularit\u00e9 croissante.<\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">Il existe n\u00e9anmoins certaines <strong><span style=\"color: #6e4bec;\">limitations et complexit\u00e9s<\/span><\/strong> inh\u00e9rentes \u00e0 l\u2019utilisation des fonctions Lambda.<\/span><\/p><p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Parmi les limitations, on peut citer le temps d\u2019ex\u00e9cution maximal d\u2019une fonction, qui est de 15 minutes : les fonctions Lambda ne sont <\/span><span style=\"color: #6e4bec;\"><b>pas con\u00e7ues pour effectuer des t\u00e2ches longues<\/b><\/span><span style=\"font-weight: 400;\"><span style=\"color: #6e4bec;\">.<\/span> Par exemple, si vous souhaitez effectuer un entra\u00eenement de mod\u00e8le de Machine Learning, AWS Lambda ne sera probablement pas le bon choix. La <\/span><span style=\"color: #6e4bec;\"><b>m\u00e9moire des fonctions est \u00e9galement limit\u00e9e <\/b><\/span><span style=\"font-weight: 400;\">\u00e0 10Go, et la puissance CPU \u00e0 6 vCPUs.<\/span><\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">Une autre complexit\u00e9 que l\u2019on peut citer est <strong><span style=\"color: #6e4bec;\">la difficult\u00e9 de d\u00e9velopper et d\u00e9ployer<\/span> <\/strong>des applications complexes avec Lambda.<\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">En effet, pour cr\u00e9er une fonction assez simple, vous pouvez simplement passer par la console AWS :<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15b7e5f elementor-widget elementor-widget-image\" data-id=\"15b7e5f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"284\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-12-1.png\" class=\"attachment-large size-large wp-image-157901\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-12-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/unnamed-12-1-300x166.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c77da6 elementor-widget elementor-widget-text-editor\" data-id=\"9c77da6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Mais quand le code de l\u2019application cro\u00eet, passer par l\u2019environnement de d\u00e9veloppement int\u00e9gr\u00e9 \u00e0 la console AWS s\u2019av\u00e8re peu efficient, voire impossible.<\/p><p>Dans ce cas, il est n\u00e9cessaire de <strong>d\u00e9velopper son application en local sur son ordinateur<\/strong>, et d\u2019avoir un processus r\u00e9p\u00e9table pour packager son code et le d\u00e9ployer sur AWS, ce qui peut s\u2019av\u00e9rer complexe.<\/p><p>Pour simplifier cette t\u00e2che (et bien plus), vous pouvez notamment utiliser le <strong>framework Serverless<\/strong>, qui vous permettra de d\u00e9finir vos fonctions Lambda et le code associ\u00e9, leurs int\u00e9grations, ainsi que d\u2019autres <strong>ressources serverless<\/strong> (par exemple des tables DynamoDB). Une fois cette stack d\u00e9finie, vous pourrez la d\u00e9ployer sur AWS tr\u00e8s simplement \u00e0 l\u2019aide du framework.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-6e86888 e-flex e-con-boxed e-con\" data-id=\"6e86888\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e779f52 elementor-widget elementor-widget-heading\" data-id=\"e779f52\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b88d15 elementor-widget elementor-widget-text-editor\" data-id=\"2b88d15\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Si vous souhaitez en savoir plus sur les fonctions AWS Lambda, et plus g\u00e9n\u00e9ralement sur l\u2019architecture des syst\u00e8mes IT dans le cloud AWS, vous pouvez vous inscrire \u00e0 l\u2019une de <a href=\"https:\/\/datascientest.com\/formations-data\">nos formations<\/a> sur ce cloud provider.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-791b4c2 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"791b4c2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-aws\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9couvrir la formation AWS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introduit en 2014, AWS Lambda est une plateforme serverless de Function as a Service. Qu\u2019est-ce que cela signifie ? Quels sont les cas d\u2019usages principaux ? C\u2019est ce que nous allons d\u00e9tailler dans cet article, afin d\u2019expliquer la popularit\u00e9 croissante du service. Qu\u2019est-ce AWS Lambda ? Fondamentalement, le principe de AWS Lambda est tr\u00e8s simple. [&hellip;]<\/p>\n","protected":false},"author":79,"featured_media":162883,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2411],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AWS Lambda : Introduction aux fonctions serverless<\/title>\n<meta name=\"description\" content=\"Introduit en 2014, AWS Lambda est une plateforme serverless de &quot;Function as a Service&quot;. Qu\u2019est-ce que cela signifie et comment l&#039;utiliser ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/aws-lambda\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AWS Lambda : Introduction aux fonctions serverless de Amazon Web Services\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/aws-lambda\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-13T14:38:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-09T14:23:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/04\/COUV_ARTICLE_AWS_LAMBDA-1-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1025\" \/>\n\t<meta property=\"og:image:height\" content=\"562\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Dan Cohen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dan Cohen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/aws-lambda\",\"url\":\"https:\/\/datascientest.com\/aws-lambda\",\"name\":\"AWS Lambda : Introduction aux fonctions serverless\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2022-05-13T14:38:30+00:00\",\"dateModified\":\"2023-11-09T14:23:29+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/61997d589648bc1d367f632ba686e354\"},\"description\":\"Introduit en 2014, AWS Lambda est une plateforme serverless de \\\"Function as a Service\\\". 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Il poss\u00e8de une solide exp\u00e9rience dans le domaine de la data, ayant pr\u00e9c\u00e9demment occup\u00e9 des postes de Consultant en Data Science chez Meotec, Data Engineer chez Cetim, et Ing\u00e9nieur commercial chez Global D\u00e9co &amp; Food.\",\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/dancohen1307\/\",\"Cloud & Data Engineering\"],\"url\":\"https:\/\/datascientest.com\/author\/dancohen\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"AWS Lambda : Introduction aux fonctions serverless","description":"Introduit en 2014, AWS Lambda est une plateforme serverless de \"Function as a Service\". 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