\u4f9d\u5b58\u6027\u6ce8\u5165(Dependency Injection)\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3044\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u89e3\u6c7a\u3057\u3001\u30b3\u30fc\u30c9\u306e\u30c6\u30b9\u30c8\u3084\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u624b\u6cd5\u3067\u3059\u3002<\/p>\n
Uber-Go\/Dig\u306f\u3001Go\u8a00\u8a9e\u5411\u3051\u306e\u8efd\u91cf\u306a\u4f9d\u5b58\u6027\u6ce8\u5165\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u5b9f\u88c5\u306b\u3088\u308a\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u672c\u8a18\u4e8b\u3067\u306f\u3001Uber-Go\/Dig\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u5229\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u901a\u3058\u3066\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n
<\/p>\n
Uber-Go\/Dig\u306f\u3001Uber\u304c\u958b\u767a\u3057\u305fGo\u8a00\u8a9e\u5411\u3051\u306e\u4f9d\u5b58\u6027\u6ce8\u5165\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n
\u4f9d\u5b58\u6027\u6ce8\u5165\u306b\u3088\u3063\u3066\u3001\u30b3\u30fc\u30c9\u5185\u3067\u76f4\u63a5\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3057\u3001\u305d\u308c\u3089\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u6ce8\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
Uber-Go\/Dig\u306f\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u67d4\u8edf\u3067\u30c6\u30b9\u30c8\u3057\u3084\u3059\u3044\u5f62\u306b\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u884c\u6642\u306b\u4f9d\u5b58\u95a2\u4fc2\u306e\u89e3\u6c7a\u3092\u5bb9\u6613\u306b\u3059\u308b\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
<\/p>\n
\u307e\u305a\u306f\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
package di\r\n\r\nimport (\r\n\t\"sam-app\/internal\/controller\"\r\n\t\"sam-app\/pkg\/app\/repository\"\r\n\t\"sam-app\/pkg\/app\/usecase\"\r\n\t\"sam-app\/pkg\/infrastructure\/database\"\r\n\r\n\t\"go.uber.org\/dig\"\r\n)\r\n\r\n\/\/ BuildContainer \u306fDI\u30b3\u30f3\u30c6\u30ca\u3092\u69cb\u7bc9\u3057\u3066\u8fd4\u3057\u307e\u3059\r\nfunc BuildContainer() *dig.Container {\r\n\tcontainer := dig.New()\r\n\r\n\t\/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u95a2\u6570\u3092\u767b\u9332\r\n\tcontainer.Provide(database.ConnectDB)\r\n\r\n\t\/\/ Controller\u306e\u5b9f\u88c5\u3092\u767b\u9332\r\n\tcontainer.Provide(controller.NewScoreController)\r\n\r\n\t\/\/ Repository\u306e\u5b9f\u88c5\u3092\u767b\u9332\r\n\tcontainer.Provide(repository.NewScoreRepository)\r\n\r\n\t\/\/ \/\/ UseCase\u306e\u5b9f\u88c5\u3092\u767b\u9332\r\n\tcontainer.Provide(usecase.NewScoreUseCase)\r\n\r\n\treturn container\r\n}\r\n<\/code><\/pre>\n <\/p>\n
\u5229\u7528\u3059\u308b\u969b\u306b\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u5f62\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
container := di.BuildContainer()\r\nvar c *controller.ScoreController\r\n\r\nif err := container.Invoke(func(sc *controller.ScoreController) {\r\n\tc = sc\r\n}); err != nil {\r\n\tfmt.Println(\"Error resolving dependencies:\", err)\r\n}<\/code><\/pre>\n <\/p>\n
\u7dba\u9e97\u306a\u30bd\u30fc\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001sam\u3067\u4f5c\u6210\u3057\u305f\u969b\u306e\u30b5\u30f3\u30d7\u30eb<\/a>\u3092\u4f5c\u6210\u3057\u305f\u306e\u3067\u3001\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n <\/p>\n
\u307e\u3068\u3081<\/h2>\n