{"id":44815,"date":"2023-10-19T02:34:01","date_gmt":"2024-02-09T06:57:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44815-2\/"},"modified":"2024-05-04T04:56:44","modified_gmt":"2024-05-03T20:56:44","slug":"44815-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44815-2\/","title":{"rendered":""},"content":{"rendered":"

\u521d\u3081\u306b<\/h1>\n

GCP\u3092\u3064\u304b\u3063\u3066\u3044\u3066\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u8a71\u306b\u884c\u304d\u7740\u304d\u307e\u3057\u305f\u3002
\n\u300c\u6700\u5927\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570\u304c100\u3092\u8d85\u3048\u307e\u3057\u305f\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3002
\n\u306a\u305c\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570\u304c\u591a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u304b\u3092\u8abf\u3079\u3001\u898b\u3064\u3051\u305f\u5bfe\u51e6\u65b9\u6cd5\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u74b0\u5883<\/h1>\n

\u30af\u30e9\u30a6\u30c9\uff1aGCP
\nWEB\u30b5\u30fc\u30d0\u30fc\u3092Vue\/CloudRun
\nAPI\u30b5\u30fc\u30d0\u30fc\u3092Golang\/CloudRun
\nDB\u30b5\u30fc\u30d0\u30fc\u3092MySQL\/CloudSQL<\/p>\n

\u539f\u56e0<\/h1>\n
API\u3092\u53e9\u304f\u305f\u3073\u306bAPI\u30b5\u30fc\u30d0\u30fc\u3068DB\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u65b0\u3057\u3044\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c\u3067\u304d\u3066\u3044\u308b\u304b\u3089\r\n<\/code><\/pre>\n
\u3068\u5224\u660e\u3057\u305f\u3002<\/p>\n
\u3064\u307e\u308a\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u4f7f\u3044\u56de\u3057\u304c\u3067\u304d\u3066\u3044\u306a\u304b\u3063\u305f\u3002<\/p>\n
\u5bfe\u7b56<\/h1>\n
database.sql\u306e\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3002
\n\u307e\u305f\u3001ORM\u3067\u3082\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u3067\u304d\u308b\u3089\u3057\u3044\u3002<\/p>\n
\n
\u30e1\u30bd\u30c3\u30c9\u540d\u8aac\u660efunc (db *DB) SetMaxOpenConns(n int)\u63a5\u7d9a\u306e\u6700\u5927\u6570\u3092\u8a2d\u5b9a\u3002 n\u306b0\u4ee5\u4e0b\u306e\u5024\u3092\u8a2d\u5b9a\u3067\u3001\u63a5\u7d9a\u6570\u7121\u5236\u9650\u3002func (db *DB) SetMaxIdleConns(n int)\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u6700\u5927\u63a5\u7d9a\u6570\u3092\u8a2d\u5b9a\u3002func (db *DB) SetConnMaxLifetime(d time.Duration)\u63a5\u7d9a\u306e\u518d\u5229\u7528\u304c\u53ef\u80fd\u306a\u6642\u9593\u3092\u8a2d\u5b9a\u3002d\u306b0\u4ee5\u4e0b\u306e\u5024\u3092\u8a2d\u5b9a\u3067\u3001\u305a\u3063\u3068\u518d\u5229\u7528\u53ef\u80fd\u3002<\/div>\n<\/div>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u5b9f\u88c5\u3002<\/p>\n
func<\/span> NewLocalDBConnection<\/span>()<\/span> error<\/span> {<\/span>\r\n    \/* ===== connect datebase ===== *\/<\/span>\r\n    \/\/ user<\/span>\r\n    user<\/span> :=<\/span> os<\/span>.<\/span>Getenv<\/span>(<\/span>\"MYSQL_USER\"<\/span>)<\/span> \r\n    \/\/ password<\/span>\r\n    password<\/span> :=<\/span> os<\/span>.<\/span>Getenv<\/span>(<\/span>\"MYSQL_PASSWORD\"<\/span>)<\/span> \r\n    \/\/ connection database<\/span>\r\n    database<\/span> :=<\/span> os<\/span>.<\/span>Getenv<\/span>(<\/span>\"MYSQL_DATABASE\"<\/span>)<\/span> \r\n    \/\/ connection host<\/span>\r\n    host<\/span> :=<\/span> \"localhost\"<\/span> \r\n    \/\/ connection port<\/span>\r\n    port<\/span> :=<\/span> \"3306\"<\/span> \r\n\r\n    var<\/span> err<\/span> error<\/span>\r\n    DB<\/span>,<\/span> err<\/span> =<\/span> setupDB<\/span>(<\/span>\"mysql\"<\/span>,<\/span> fmt<\/span>.<\/span>Sprintf<\/span>(<\/span>\"%s:%s@tcp(%s:%s)\/%s?parseTime=true\"<\/span>,<\/span> user<\/span>,<\/span> password<\/span>,<\/span> host<\/span>,<\/span> port<\/span>,<\/span> database<\/span>))<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> fmt<\/span>.<\/span>Errorf<\/span>(<\/span>\"sql.Open: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    return<\/span> err<\/span>\r\n}<\/span>\r\n\r\n\/\/this function is a function for connection pooling<\/span>\r\nfunc<\/span> setupDB<\/span>(<\/span>Driver<\/span> string<\/span>,<\/span> dsn<\/span> string<\/span>)<\/span> (<\/span>*<\/span>sql<\/span>.<\/span>DB<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    db<\/span>,<\/span> err<\/span> :=<\/span> sql<\/span>.<\/span>Open<\/span>(<\/span>Driver<\/span>,<\/span> dsn<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> nil<\/span>,<\/span> err<\/span>\r\n    }<\/span>\r\n    \/\/\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u6700\u5927\u63a5\u7d9a\u6570\u3092\u8a2d\u5b9a\u3002<\/span>\r\n    db<\/span>.<\/span>SetMaxIdleConns<\/span>(<\/span>100<\/span>)<\/span>\r\n    \/\/\u63a5\u7d9a\u306e\u6700\u5927\u6570\u3092\u8a2d\u5b9a\u3002 n\u306b0\u4ee5\u4e0b\u306e\u5024\u3092\u8a2d\u5b9a\u3067\u3001\u63a5\u7d9a\u6570\u306f\u7121\u5236\u9650\u3002<\/span>\r\n    db<\/span>.<\/span>SetMaxOpenConns<\/span>(<\/span>100<\/span>)<\/span>\r\n    \/\/\u63a5\u7d9a\u306e\u518d\u5229\u7528\u304c\u53ef\u80fd\u306a\u6642\u9593\u3092\u8a2d\u5b9a\u3002d\u306b0\u4ee5\u4e0b\u306e\u5024\u3092\u8a2d\u5b9a\u3067\u3001\u305a\u3063\u3068\u518d\u5229\u7528\u53ef\u80fd\u3002<\/span>\r\n    db<\/span>.<\/span>SetConnMaxLifetime<\/span>(<\/span>100<\/span> *<\/span> time<\/span>.<\/span>Second<\/span>)<\/span>\r\n\r\n    return<\/span> db<\/span>,<\/span> err<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u521d\u3081\u306b GCP\u3092\u3064\u304b\u3063\u3066\u3044\u3066\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u8a71\u306b\u884c\u304d\u7740\u304d\u307e\u3057\u305f\u3002 \u300c\u6700\u5927\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570\u304c100\u3092\u8d85\u3048\u307e\u3057\u305f […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44815","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/44815-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u521d\u3081\u306b GCP\u3092\u3064\u304b\u3063\u3066\u3044\u3066\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u8a71\u306b\u884c\u304d\u7740\u304d\u307e\u3057\u305f\u3002 \u300c\u6700\u5927\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570\u304c100\u3092\u8d85\u3048\u307e\u3057\u305f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44815-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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