November 2024
Intermediate to advanced
648 pages
17h 41m
French
Content preview from Java natif dans le nuage
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Chapitre 3. Configuration du style d'application à douze facteurs
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Dans ce chapitre, nous verrons comment externaliser la configuration de l'application.
La confusion du terme "configuration"
Établissons un peu de vocabulaire. Lorsque nous parlons de configuration dans Spring, nous parlons généralement des entrées dans les différentes implémentations du framework Spring qui aident le conteneur à comprendre comment vous voulez que les haricots soient reliés entre eux. ApplicationContext qui aident le conteneur à comprendre comment tu veux que les haricots soient reliés entre eux. Il peut s'agir d'un fichier XML à introduire dans un fichier de configuration. ClassPathXmlApplicationContextou de classes Java annotées d'une certaine façon à introduire dans un fichier AnnotationConfigApplicationContext. En fait, lorsque nous parlons de ce dernier point, nous l'appelons la configuration Java.
Dans ce chapitre, cependant, nous allons nous intéresser à la configuration telle qu'elle est définie dans le manifeste des applications à douze facteurs. Dans ce cas, la configuration fait référence à des valeurs littérales qui peuvent changer d'un environnement à l'autre : des choses comme les mots de passe, les ports et les noms d'hôtes, ou les drapeaux de fonctionnalités. Cette configuration défie les constantes magiques intégrées dans le code. Le manifeste fournit ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.