{"id":44901,"date":"2023-04-15T09:50:21","date_gmt":"2023-11-13T10:33:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44901-2\/"},"modified":"2024-04-29T23:36:55","modified_gmt":"2024-04-29T15:36:55","slug":"44901-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44901-2\/","title":{"rendered":""},"content":{"rendered":"

\u6982\u8981<\/h2>\n

\u73fe\u5728Golang\u3092\u5b66\u7fd2\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067MySQL\u3068\u306e\u63a5\u7d9a\u306b\u8a70\u307e\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u5171\u6709\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u524d\u63d0<\/h2>\n

\u79c1\u306f\u57fa\u672c\u7684\u306b\u5b66\u7fd2\u3059\u308b\u3068\u304d\u306f\u30ed\u30fc\u30ab\u30eb\u306e\u74b0\u5883\u3092\u6c5a\u3057\u305f\u304f\u306a\u3044\u306e\u3067Docker\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\n\u306a\u306e\u3067\u4eca\u56de\u3082Docker\u3092\u4f7f\u7528\u3057\u3066\u884c\u3044\u307e\u3059\u3002
\n\u306a\u304a\u4eca\u56de\u306f\u3001Docker\u306e\u69cb\u6210\u3092\u6700\u4f4e\u9650\u3057\u304b\u8a2d\u5b9a\u3057\u307e\u305b\u3093\u3002<\/p>\n

Dockerfile\u69cb\u6210<\/h3>\n
FROM<\/span> golang:1.19.0-alpine3.16<\/span>\r\nWORKDIR<\/span> \/app<\/span>\r\nCOPY<\/span> . .<\/span>\r\n<\/code><\/pre>\n
docker-compose.yml\u69cb\u6210<\/h3>\n
version<\/span>:<\/span> '<\/span>3.9'<\/span>\r\nservices<\/span>:<\/span>\r\n  db<\/span>:<\/span>\r\n    image<\/span>:<\/span> mysql:8.0<\/span>\r\n    container_name<\/span>:<\/span> mysql<\/span>\r\n    env_file<\/span>:<\/span> .env<\/span>\r\n    ports<\/span>:<\/span>\r\n      -<\/span> 3306:3306<\/span>\r\n    environment<\/span>:<\/span>\r\n      MYSQL_ROOT_PASSWORD<\/span>:<\/span> ${MYSQL_ROOT_PASSWORD}<\/span>\r\n      MYSQL_DATABASE<\/span>:<\/span> ${MYSQL_DB_NAME}<\/span>\r\n    volumes<\/span>:<\/span>\r\n      -<\/span> .\/mysql:\/var\/db\/mysql<\/span>\r\n  web<\/span>:<\/span>\r\n    build<\/span>:<\/span>\r\n      context<\/span>:<\/span> .<\/span>\r\n    container_name<\/span>:<\/span> web<\/span>\r\n    volumes<\/span>:<\/span>\r\n      -<\/span> .:\/app<\/span>\r\n    depends_on<\/span>:<\/span>\r\n      -<\/span> db<\/span>\r\nvolumes<\/span>:<\/span>\r\n  mysql<\/span>:<\/span>\r\n<\/code><\/pre>\n
\u8a70\u307e\u3063\u305f\u90e8\u5206<\/h2>\n
\u4eca\u56de\u8a70\u307e\u3063\u305f\u3068\u3053\u308d\u306f\u3001Go\u5074\u304b\u3089MySQL\u3078\u306e\u63a5\u7d9a\u90e8\u5206\u3067\u3059\u3002<\/p>\n
\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u8a18\u8f09\u3057\u3001Ping()\u3092\u5229\u7528\u3057\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n
package<\/span> models<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n\t\"database\/sql\"<\/span>\r\n\t\"fmt\"<\/span>\r\n\t\"log\"<\/span>\r\n\r\n\t\"github.com\/soicchi\/golang-todo-app\/config\"<\/span>\r\n\r\n\t_<\/span> \"github.com\/go-sql-driver\/mysql\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Db<\/span> *<\/span>sql<\/span>.<\/span>DB<\/span>\r\n\r\nvar<\/span> err<\/span> error<\/span>\r\n\r\nfunc<\/span> init<\/span>()<\/span> {<\/span>\r\n\tconnectionInfo<\/span> :=<\/span> fmt<\/span>.<\/span>Sprintf<\/span>(<\/span>\"root:%s@\/%s\"<\/span>,<\/span> config<\/span>.<\/span>Config<\/span>.<\/span>Password<\/span>,<\/span> config<\/span>.<\/span>Config<\/span>.<\/span>DbName<\/span>)<\/span>\r\n\tDb<\/span>,<\/span> err<\/span> =<\/span> sql<\/span>.<\/span>Open<\/span>(<\/span>config<\/span>.<\/span>Config<\/span>.<\/span>SQLDriver<\/span>,<\/span> connectionInfo<\/span>)<\/span>\r\n\tif<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n\t\tlog<\/span>.<\/span>Fatalln<\/span>(<\/span>err<\/span>)<\/span>\r\n\t}<\/span>\r\n\r\n\terr<\/span> =<\/span> Db<\/span>.<\/span>Ping<\/span>()<\/span>\r\n\tif<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n\t\tlog<\/span>.<\/span>Fatalln<\/span>(<\/span>err<\/span>)<\/span>\r\n\t}<\/span>\r\n\tlog<\/span>.<\/span>Println<\/span>(<\/span>\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u5b8c\u4e86\"<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3059\u305f\u3081\u306b\u7c21\u6613\u7684\u306b\u4e0b\u8a18\u306e\u3088\u3046\u306bmain.go\u304b\u3089\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570Db\u3092\u547c\u3073\u51fa\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n\t\"fmt\"<\/span>\r\n\r\n\t\"github.com\/soicchi\/golang-todo-app\/app\/models\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n\tfmt<\/span>.<\/span>Println<\/span>(<\/span>models<\/span>.<\/span>Db<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3059\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u8fd4\u3063\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
2022\/08\/13 12:17:15 base.go:30: dial tcp 127.0.0.1:3306: connect: connection refused\r\n<\/span><\/code><\/pre>\n
\u3069\u3046\u3084\u3089\u63a5\u7d9a\u3067\u304d\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n
\u4e0b\u8a18\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3059\u308b\u3068Docker\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u63a5\u7d9a\u60c5\u5831\u306bdocker-compose.yml\u3067\u5b9a\u7fa9\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u540d\u3092\u5165\u308c\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3089\u3057\u3044\u3002<\/p>\n
 <\/p>\n
\u3064\u307e\u308a\u3001\u5148\u307b\u3069\u306eapp\/models\/base.go\u3092\u4e0b\u8a18\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n
package<\/span> models<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n\t\"database\/sql\"<\/span>\r\n\t\"fmt\"<\/span>\r\n\t\"log\"<\/span>\r\n\r\n\t\"github.com\/soicchi\/golang-todo-app\/config\"<\/span>\r\n\r\n\t_<\/span> \"github.com\/go-sql-driver\/mysql\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Db<\/span> *<\/span>sql<\/span>.<\/span>DB<\/span>\r\n\r\nvar<\/span> err<\/span> error<\/span>\r\n\r\nfunc<\/span> init<\/span>()<\/span> {<\/span>\r\n\tconnectionInfo<\/span> :=<\/span> fmt<\/span>.<\/span>Sprintf<\/span>(<\/span>\"root:%s@tcp(mysql)\/%s\"<\/span>,<\/span> config<\/span>.<\/span>Config<\/span>.<\/span>Password<\/span>,<\/span> config<\/span>.<\/span>Config<\/span>.<\/span>DbName<\/span>)<\/span> \/\/ root:%s@\/%s \u2192 root:%s@tcp(mysql)\/%s\u306b\u5909\u66f4<\/span>\r\n\tDb<\/span>,<\/span> err<\/span> =<\/span> sql<\/span>.<\/span>Open<\/span>(<\/span>config<\/span>.<\/span>Config<\/span>.<\/span>SQLDriver<\/span>,<\/span> connectionInfo<\/span>)<\/span>\r\n\tif<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n\t\tlog<\/span>.<\/span>Fatalln<\/span>(<\/span>err<\/span>)<\/span>\r\n\t}<\/span>\r\n\r\n\terr<\/span> =<\/span> Db<\/span>.<\/span>Ping<\/span>()<\/span>\r\n\tif<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n\t\tlog<\/span>.<\/span>Fatalln<\/span>(<\/span>err<\/span>)<\/span>\r\n\t}<\/span>\r\n\tlog<\/span>.<\/span>Println<\/span>(<\/span>\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u5b8c\u4e86\"<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3082\u3046\u4e00\u5ea6main.go\u3092\u5b9f\u884c\u3057\u3066\u307f\u308b\u3068<\/p>\n
2022\/08\/13 12:19:39 base.go:32: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u5b8c\u4e86\r\n<\/span>&{0 0x40000a8058 0 {0 0} [0x4000226000] map[] 0 1 0x400008e0c0 false map[0x4000226000:map[0x4000226000:true]] map[] 0 0 0 0 <nil><\/span> 0 0 0 0 0xbf060}<\/span>\r\n<\/code><\/pre>\n
\u7121\u4e8b\u63a5\u7d9a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u4eca\u56de\u306fDocker\u3092\u4f7f\u7528\u3057\u305f\u3053\u3068\u3067\u63a5\u7d9a\u306b\u624b\u9593\u53d6\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001
\n\u305d\u308c\u3067\u3082Docker\u306f\u304b\u306a\u308a\u4fbf\u5229\u306a\u306e\u3067\u624b\u653e\u305b\u306a\u3044\u3067\u3059\u306d\uff08\u7b11\uff09
\n\u9593\u9055\u3063\u305f\u6307\u6458\u304c\u3042\u308b\u3088\u3046\u3067\u3057\u305f\u3089\u3001\u662f\u975e\u3068\u3082\u3054\u6307\u6458\u3044\u305f\u3060\u3051\u308b\u3068\u5e78\u3044\u3067\u3059\u3002
\n\u6700\u5f8c\u307e\u3067\u95b2\u89a7\u3057\u3066\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981 \u73fe\u5728Golang\u3092\u5b66\u7fd2\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067MySQL\u3068\u306e\u63a5\u7d9a\u306b\u8a70\u307e\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u5171\u6709\u3057\u305f […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44901","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\/44901-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u6982\u8981 \u73fe\u5728Golang\u3092\u5b66\u7fd2\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067MySQL\u3068\u306e\u63a5\u7d9a\u306b\u8a70\u307e\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u5171\u6709\u3057\u305f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44901-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-13T10:33:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T15:36:55+00:00\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/44901-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/44901-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-11-13T10:33:41+00:00\",\"dateModified\":\"2024-04-29T15:36:55+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/44901-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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