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\u7b2c\u4e00\u6b65\u662f\u5efa\u7acb\u4e00\u4e2a uptime \u68c0\u67e5\u5668\u3002\u5916\u9762\u6709\u5f88\u591a\u8fd9\u6837\u7684\u4e1c\u897f\uff0c\u6211\u73b0\u5728\u4f7f\u7528\u7684\u662f \u200b\u200bupdown.io\u200b\u200b \u548c \u200b\u200buptime robot\u200b\u200b\u3002\u6211\u66f4\u559c\u6b22 updown \u7684\u7528\u6237\u754c\u9762\u548c \u200b\u200b\u5b9a\u4ef7\u200b\u200b \u7ed3\u6784\uff08\u5b83\u662f\u6309\u8bf7\u6c42\u800c\u4e0d\u662f\u6309\u6708\u6536\u8d39\uff09\uff0c\u4f46 uptime \u673a\u5668\u4eba\u6709\u4e00\u4e2a\u66f4\u6177\u6168\u7684\u514d\u8d39\u5957\u9910\u3002<\/p>\n
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\r\n func healthHandler(w http.ResponseWriter, r *http.Request) {\r\n \/\/ make a request to localhost:8080 with `healthcheckJSON` as the body\r\n \/\/ if it works, return 200\r\n \/\/ if it doesn't, return 500\r\n client := http.Client{}\r\n resp, err := client.Post(\"http:\/\/localhost:8080\/\", \"application\/json\", strings.NewReader(healthcheckJSON))\r\n if err != nil {\r\n log.Println(err)\r\n w.WriteHeader(http.StatusInternalServerError)\r\n return\r\n }\r\n if resp.StatusCode != http.StatusOK {\r\n log.Println(resp.StatusCode)\r\n w.WriteHeader(http.StatusInternalServerError)\r\n return\r\n }\r\n w.WriteHeader(http.StatusOK)\r\n }\r\n\r\n<\/pre>\n
\u73b0\u5728\uff0c\u6211\u5927\u90e8\u5206\u5065\u5eb7\u68c0\u67e5\u6bcf\u5c0f\u65f6\u8fd0\u884c\u4e00\u6b21\uff0c\u6709\u4e9b\u6bcf 30 \u5206\u949f\u8fd0\u884c\u4e00\u6b21\u3002<\/p>\n
\u6211\u6bcf\u5c0f\u65f6\u8fd0\u884c\u4e00\u6b21\uff0c\u56e0\u4e3a \u200b\u200bupdown.io\u200b\u200b \u7684\u5b9a\u4ef7\u662f\u6309\u5065\u5eb7\u68c0\u67e5\u6b21\u6570\u8ba1\u7b97\u7684\uff0c\u6211\u6b63\u5728\u76d1\u63a7 18 \u4e2a\u4e0d\u540c\u7684 URL\uff0c\u800c\u4e14\u6211\u60f3\u628a\u6211\u7684\u5065\u5eb7\u68c0\u67e5\u9884\u7b97\u4fdd\u6301\u5728 5 \u7f8e\u5143\/\u5e74\u7684\u6700\u4f4e\u6c34\u5e73\u3002<\/p>\n
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\u6211\u7684\u4e00\u4e9b\u7f51\u7ad9\u5728 \u200b\u200bfly.io\u200b\u200b \u4e0a\uff0cfly \u6709\u4e00\u4e2a\u76f8\u5f53\u6807\u51c6\u7684\u529f\u80fd\uff0c\u6211\u53ef\u4ee5\u4e3a\u4e00\u4e2a\u670d\u52a1\u914d\u7f6e\u4e00\u4e2a HTTP \u5065\u5eb7\u68c0\u67e5\uff0c\u5982\u679c\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\uff0c\u5c31\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u3002<\/p>\n
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