{"id":35836,"date":"2023-06-04T08:34:21","date_gmt":"2023-06-03T23:34:21","guid":{"rendered":"https:\/\/m9js.shop\/blog\/?p=35836"},"modified":"2023-06-04T08:34:21","modified_gmt":"2023-06-03T23:34:21","slug":"implement-microservice-communication-and-circuit-breaker-using-spring-cloud-netflix","status":"publish","type":"post","link":"https:\/\/m9js.shop\/blog\/development\/implement-microservice-communication-and-circuit-breaker-using-spring-cloud-netflix","title":{"rendered":"\uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc \ub137\ud50c\ub9ad\uc2a4\ub97c \uc774\uc6a9\ud55c \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \ud1b5\uc2e0\uacfc \uc11c\ud0b7 \ube0c\ub808\uc774\ucee4 \uad6c\ud604"},"content":{"rendered":"

\uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc \ub137\ud50c\ub9ad\uc2a4 \uc18c\uac1c<\/h1>\n

\"Spring<\/p>\n

\uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\ub294 \ub300\uaddc\ubaa8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \ud544\uc694\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uba70, \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc\ub294 \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uae30\ubc18\uc73c\ub85c \uad6c\ucd95\ub41c \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\uae30 \uc704\ud55c \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. \uc774 \ud504\ub808\uc784\uc6cc\ud06c\ub294 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \ud328\ud134\uacfc \uae30\uc220\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc \ub137\ud50c\ub9ad\uc2a4\ub294 \uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc\uc758 \uc77c\ubd80\ub85c, \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \ud328\ud134\uacfc \uae30\uc220\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ud328\ud0a4\uc9c0\uc5d0\ub294 \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac, \uc11c\ube44\uc2a4 \ub77c\uc6b0\ud305, \ub85c\ub4dc \ubc38\ub7f0\uc2f1, \uc11c\ud0b7 \ube0c\ub808\uc774\ucee4 \ub4f1\uc758 \uae30\ub2a5\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\ub2a5\ub4e4\uc740 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uac04\uc758 \ud1b5\uc2e0\uacfc \uc548\uc815\uc801\uc778 \uc11c\ube44\uc2a4 \uc6b4\uc601\uc744 \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc \ub137\ud50c\ub9ad\uc2a4\ub97c \uc774\uc6a9\ud55c \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \ud1b5\uc2e0\uacfc \uc11c\ud0b7 \ube0c\ub808\uc774\ucee4 \uad6c\ud604\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \ud1b5\uc2e0 \uad6c\ud604 \ubc29\ubc95<\/h1>\n

\ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c\ub294 \uac01\uac01\uc758 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uac00 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc6b4\uc601\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc870\uc5d0\uc11c\ub294 \uac01\uac01\uc758 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uac00 \uc11c\ub85c \ud1b5\uc2e0\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc \ub137\ud50c\ub9ad\uc2a4\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \ubc29\ubc95\uc73c\ub85c \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uac04\uc758 \ud1b5\uc2e0\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

RestTemplate\uc744 \uc774\uc6a9\ud55c \ud1b5\uc2e0<\/h2>\n

RestTemplate\uc740 \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 HTTP \ud074\ub77c\uc774\uc5b8\ud2b8 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. RestTemplate\uc744 \uc774\uc6a9\ud558\uba74 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uac04\uc758 HTTP \ud1b5\uc2e0\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

RestTemplate restTemplate = new RestTemplate();\nString result = restTemplate.getForObject(\"http:\/\/my-service\/api\/resource\", String.class);<\/code><\/pre>\n

\uc704 \ucf54\ub4dc\uc5d0\uc11c\ub294 RestTemplate\uc744 \uc774\uc6a9\ud558\uc5ec "http:\/\/my-service\/api\/resource”\uc5d0<\/a> GET \uc694\uccad\uc744 \ubcf4\ub0b4\uace0, \uc751\ub2f5 \uacb0\uacfc\ub97c String \ud615\ud0dc\ub85c \ubc1b\uc544\uc635\ub2c8\ub2e4.<\/p>\n

FeignClient\ub97c \uc774\uc6a9\ud55c \ud1b5\uc2e0<\/h2>\n

FeignClient\ub294 \uc2a4\ud504\ub9c1 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 HTTP \ud074\ub77c\uc774\uc5b8\ud2b8 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. RestTemplate\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uac04\uc758 HTTP \ud1b5\uc2e0\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc FeignClient\ub294 \uc778\ud130\ud398\uc774\uc2a4 \uae30\ubc18\uc758 HTTP \ud074\ub77c\uc774\uc5b8\ud2b8 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc774\ubbc0\ub85c, RestTemplate\ubcf4\ub2e4 \ucf54\ub4dc\uc758 \uac00\ub3c5\uc131\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n

@FeignClient(name = \"my-service\")\npublic interface MyServiceClient {\n\n    @GetMapping(\"\/api\/resource\")\n    String getResource();\n}\n\nMyServiceClient client = Feign.builder()\n    .target(MyServiceClient.class, \"http:\/\/my-service\");\nString result = client.getResource();<\/code><\/pre>\n

\uc704 \ucf54\ub4dc\uc5d0\uc11c\ub294 FeignClient\ub97c \uc774\uc6a9\ud558\uc5ec "http:\/\/my-service\/api\/resource”\uc5d0<\/a> GET \uc694\uccad\uc744 \ubcf4\ub0b4\uace0, \uc751\ub2f5 \uacb0\uacfc\ub97c String \ud615\ud0dc\ub85c \ubc1b\uc544\uc635\ub2c8\ub2e4.<\/p>\n

\uc11c\ud0b7 \ube0c\ub808\uc774\ucee4\uc758 \uac1c\ub150\uacfc \uae30\ub2a5<\/h1>\n

\ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uac04\uc758 \ud1b5\uc2e0\uc740 \ub2e4\uc591\ud55c \uc774\uc720\ub85c \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc11c\ube44\uc2a4\uc758 \ubd80\ud558\uac00 \uc99d\uac00\ud558\uc5ec \uc751\ub2f5 \uc18d\ub3c4\uac00 \ub290\ub824\uc9c0\uac70\ub098, \uc11c\ube44\uc2a4\uc758 \uc7a5\uc560\ub85c \uc778\ud574 \uc694\uccad\uc774 \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0c1\ud669\uc5d0\uc11c\ub294 \uc11c\ud0b7 \ube0c\ub808\uc774\ucee4\ub97c \uc774\uc6a9\ud558\uc5ec \uc548\uc815\uc801\uc778 \uc11c\ube44\uc2a4 \uc6b4\uc601\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc11c\ud0b7 \ube0c\ub808\uc774\ucee4\ub294 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uac04\uc758 \ud1b5\uc2e0\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc7a5\uc560\ub97c \ucc98\ub9ac\ud558\ub294 \ud328\ud134\uc785\ub2c8\ub2e4. \uc11c\ud0b7 \ube0c\ub808\uc774\ucee4\ub294 \uc694\uccad\uc774 \uc2e4\ud328\ud558\uba74 \uc77c\uc815 \uc2dc\uac04 \ub3d9\uc548 \ub2e4\uc74c \uc694\uccad\uc744 \ucc28\ub2e8\ud558\uace0, \uc774\ud6c4 \uc694\uccad\uc774 \ubc1c\uc0dd\ud560 \ub54c \uc2e4\ud328\ub97c \ubc14\ub85c \ubc18\ud658\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc11c\ube44\uc2a4\uc758 \ubd80\ud558\ub97c \uc904\uc774\uace0, \uc7a5\uc560\uac00 \uc804\ud30c\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc11c\ud0b7 \ube0c\ub808\uc774\ucee4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n