{"id":780,"date":"2020-12-04T22:59:39","date_gmt":"2020-12-04T14:59:39","guid":{"rendered":"https:\/\/www.rayer.idv.tw\/blog\/?p=780"},"modified":"2020-12-04T23:08:59","modified_gmt":"2020-12-04T15:08:59","slug":"%e7%a8%8b%e5%bc%8f%e8%b7%91%e5%9c%a8docker%e8%b7%9f%e8%b7%91%e5%9c%a8%e5%8e%9f%e7%94%9f%ef%bc%8c%e5%88%b0%e5%ba%95%e5%93%aa%e4%ba%9b%e6%9c%83%e4%b8%8d%e4%b8%80%e6%a8%a3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.rayer.idv.tw\/blog\/?p=780","title":{"rendered":"\u7a0b\u5f0f\u8dd1\u5728Container\u5167\u8ddf\u4ee5\u539f\u751f\u4f86\u8dd1\uff0c\u5230\u5e95\u54ea\u4e9b\u6703\u4e0d\u4e00\u6a23\uff1f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u7406\u8ad6\u4e0a\u4f86\u8b1bDocker\u9019\u6771\u897f\uff0c\u628aApplication\u5305\u6210image\u5728\u8dd1container\uff0c\u61c9\u8a72\u884c\u70ba\u8981\u8ddf\u539f\u751f\u8dd1\u7684\u4e00\u6a23\u624d\u5c0d\u3002\u5373\u4f7f\u4e0d\u540c\uff0c\u6211\u5011\u4e5f\u6703\u5229\u7528-v\u8ddf-p\u628avolume\u4ee5\u53caport\u639b\u4e0a\u53bb\uff0c\u8b93\u4ed6\u80fd\u76f4\u63a5\u5c0d\u61c9\u5230host\u88e1\u9762\u7684\u67d0\u4e9b\u6771\u897f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u67d0\u4e9b\u6771\u897f\uff0c\u5c24\u5176\u662fAPI Server\uff0c\u6211\u5011\u7e3d\u6703\u78b0\u5230\u4e00\u4e9b\u8dd1\u539f\u751f\u4ee5\u53ca\u8dd1Container\u884c\u70ba\u5927\u4e0d\u76f8\u540c\u7684\u5730\u65b9\uff0c\u6211\u628a\u6211\u958b\u767c\u4e2d\u78b0\u5230\u7684\u4e00\u4e9b\u4f8b\u5b50\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b\u3002<\/p>\n\n\n\n<!--more \u95b1\u8b80\u5168\u6587-->\n\n\n\n<h2 class=\"wp-block-heading\">Docker + Proxy\u5f8c\u62ff\u5230\u7684Source IP\u6703\u4e0d\u5c0d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u5011\u4ee5gin\u70ba\u4f8b\u5b50\uff0c\u6700\u5e38\u898b\u7684\u62ffsource IP\u7684\u65b9\u6cd5\u5927\u6982\u9577\u5f97\u50cf\u9019\u6a23\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">func(c *gin.Context) {\n    ipAddr := c.ClientIP()\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u500b\u5728\u539f\u751f\u88e1\u9762\u8dd1\u8d77\u4f86\u61c9\u8a72\u6c92\u592a\u5927\u554f\u984c\uff0c\u554f\u984c\u662fDocker\u4f86\u8b1b\u5c31\u6703\u6709\u554f\u984c\u3002Docker\u901a\u5e38\u6211\u5011application\u90fd\u662f\u5728container\u88e1\u9762\uff0c\u7528-p\u53bbmap\u5230\u5916\u9762\u7684port\uff0c\u7136\u5f8c\u518d\u5229\u7528\u8af8\u5982nginx\u4e4b\u985e\u7684Load Balancer\u628a\u5916\u9762expose\u7684port forwarding\u5230docker\u88e1\u9762\u3002\u90a3\u9019\u7a2e\u62ff\u6cd5\u5f88\u986f\u7136\u7684\uff0cdocker port\u6536\u5230\u7684ip\u901a\u5e38\u5c31\u662f127.0.0.1(IPv4)\u6216\u8005::1(IPv6) &#8212; \u4e5f\u5c31\u662f\u7a0b\u5f0f\u5728container bind\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u500b\u662f\u6709\u6a19\u6e96\u89e3\u6cd5\u7684\uff0c\u6a19\u6e96\u89e3\u6cd5\u662f\uff0c\u4ee5nginx\u70ba\u4f8b\uff0c\u5728site-enabled\/default\uff08\u6216\u8005\u81ea\u5df1\u7684\u8a2d\u5b9a\u6a94\uff09\u8a2d\u5b9aproxy\u6642\uff0c\u591a\u593e\u5e36\u4e00\u500bX-Forwarded-For\u7684header\u5728http request\u88e1\u9762 :<\/p>\n\n\n\n<pre class=\"wp-block-code\" title=\"sites-enabled\/default\"><code lang=\"vim\" class=\"language-vim\">        location \/ {\n                # First attempt to serve request as file, then\n                # as directory, then fall back to displaying a 404.\n                # try_files $uri $uri\/ =404;\n                proxy_pass http:\/\/127.0.0.1:8800;\n                proxy_set_header X-Real-IP $remote_addr;\n                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n\n        }<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u6a23X-Forwarded-For\u5c31\u6703\u593e\u5e36\u771f\u5be6IP\u4e86\uff0c\u6700\u5f8c\u5728go\u88e1\u9762\u7528\u9019\u65b9\u6cd5\u5c31\u53ef\u4ee5\u8f15\u9b06\u62ff\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">func(c *gin.Context) {\n\tipAddr := c.GetHeader(\"X-Forwarded-For\")\n\t\/\/\u8a18\u5f97\u9019\u6bb5\uff0c\u4e0d\u7136\u539f\u751f\u8dd1\u8d77\u4f86\u6703\u6293\u4e0d\u5230ip\n\tif ipAddr == \"\" {\n\t\tipAddr = c.ClientIP()\n\t}\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8dd1\u5728Docker\u88e1\u9762\u7684\u6642\u5019Docker SDK\u5931\u6548\u5566<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Docker container\u88e1\u9762\u4e26\u6c92\u6709\u8dd1\u8d77\u4f86docker daemon\uff08\u901a\u5e38\u5566\uff09\uff0c\u6240\u4ee5\u88e1\u6240\u7576\u7136\u7684Docker SDK\u7684client\u62ff\u5f97\u5230\u4f46\u662f\u6c92\u8fa6\u6cd5\u4f7f\u7528\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">dc, err := client.NewEnvClient()\nif err != nil {\n    \/\/\u5176\u5be6\u6c92\u6709docker\u4e0b\uff0c\u4ed6\u4e5f\u4e0d\u6703err....\n    return err\n}\n\/\/\u4f46\u662fPing\u4e0b\u53bb\u5c31\u539f\u5f62\u7562\u9732\u4e86\uff0cerr\u5c31\u8dd1\u51fa\u4f86\u4e86\uff0c\u9019\u4e5f\u662f\u901a\u5e38\u6211\u5011\u5075\u6e2c\u6709\u6c92\u6709docker\u7684\u65b9\u6cd5\n_, err = dc.Ping(context.TODO()) <\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u505a\u6cd5\u5176\u5be6\u6709\u5169\u7a2e\uff0c\u5206\u5225\u662fdind\uff08Docker in Docker\uff09\u8ddf\u8f03\u70ba\u7c21\u55ae\u7684\u639b\u8f09\u6cd5\uff08\u8a73\u7d30\u53ef\u4ee5\u53c3\u8003<a href=\"https:\/\/stackoverflow.com\/questions\/27879713\/is-it-ok-to-run-docker-from-inside-docker\" target=\"_blank\" rel=\"noreferrer noopener\">\u9019\u88e1<\/a>\uff09\u3002dind\u7684\u505a\u6cd5\u554f\u984c\u5f88\u591a\uff0c\u6240\u4ee5\u6211\u5c31\u4e0d\u8d05\u8ff0\uff0c\u800c\u639b\u8f09\u6cd5\u6975\u7c21\u55ae\u3002Docker\u662f\u9760\/var\/run\/docker.sock\u9019\u500bsocket\u4f86\u8ddfdocker host\u6e9d\u901a\uff0c\u6240\u4ee5\u5176\u5be6\u53ea\u8981\u628a\u9019\u500b\u6771\u897f\u7528-v\u53c3\u6578\uff0c\u639b\u5230docker\u88e1\u9762\u540c\u6a23\u4f4d\u7f6e\u4e0d\u5c31\u597d\u4e86\u55ce\uff1f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">docker run -p 8800:8080 -v \/var\/run\/docker.sock:\/var\/run\/docker.sock --hostname $(hostname) --rm -d rayer\/someawesomeimage'<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u6a23\u4f60\u7684docker sdk\u5c31\u80fd\u6b63\u78ba\u5730\u5728docker container\u64cd\u4f5c\u5916\u9762\u7684docker\uff0c\u62ff\u5230\u5916\u9762container\u76ee\u524d\u72c0\u614b\u4ee5\u53ca\u5176\u4ed6\u9a37\u64cd\u4f5c\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528multi-stage build\u9020\u6210SSL Trust Root\u7f3a\u5931\uff0c\u9020\u6210https\u64cd\u4f5c\u932f\u8aa4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u53e6\u5916\u4e00\u500b\u554f\u984c\u662f\uff0c\u660e\u660e\u4e00\u500b\u5f88\u7c21\u55ae\u7684https call\uff0c\u6bd4\u65b9\u8aaahttp.GET(&#8220;https:\/\/www.hinet.net&#8221;)\uff0c\u539f\u751f\u689d\u4ef6\u4e0b\u8dd1\u5f97\u5f88\u9806\u5229\uff0c\u5728Docker\u88e1\u9762\u537b\u6703\u51fa\u73feX509\u7684\u932f\u8aa4\uff1ax509: certificate signed by unknown authority\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u500b\u539f\u56e0\u662f\uff0cmulti-stage build\u6211\u5011\u901a\u5e38\u4f7f\u7528\u7684\u662fscratch image\u7576\u4f5c\u6700\u5f8c\u7684\u8f09\u9ad4\uff0c\u800cscratch\u5c31\u662f\u4ec0\u9ebc\u90fd\u6c92\u6709\uff0c\u5305\u62ectrust root, CA\u4ec0\u9ebc\u90fd\u6c92\u6709\uff01\u90a3\u7576\u7136\uff0c\u7576\u9019\u500bimage\u8dd1container\u6642\uff0c\u6240\u6709\u7684https call\u90fd\u6c92\u8fa6\u6cd5\u8a8d\u8b49\u5c0d\u65b9\u7684certificate &#8212; \u4f60\u6c92\u6709trusted root\uff0c\u4f60\u8981\u600e\u9ebc\u8a8d\u8a3c\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u500b\u89e3\u6cd5\u5176\u5be6\u4e5f\u4e0d\u56f0\u96e3\uff0c\u6211\u662f\u53c3\u8003\u4e86<a href=\"https:\/\/github.com\/drone\/ca-certs\" target=\"_blank\" rel=\"noreferrer noopener\">\u9019\u88e1<\/a>\u5f97\u5230\u7684\u7b54\u6848\u3002\u901a\u5e38\u4f86\u8b1bmulti-stage\u7684build image\u662fgolang:alpine\uff0c\u6240\u4ee5\u6211\u62ff\u9019\u500b\u7576\u4f8b\u5b50\uff0c\u4fee\u6539\u81ea\u5df1\u7684Dockerfile\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\" title=\"Dockerfile\"><code lang=\"docker\" class=\"language-docker\">FROM golang:alpine as build-env\n# \u5b89\u88ddca-certificate\nRUN apk add -U --no-cache ca-certificates\n#...\n#...\n#...\u505a\u4f60\u5269\u4e0b\u7684building\n\nFROM scratch\n# \u628a\u525b\u525b\u5b89\u88dd\u7684ca-certificate\u62f7\u8c9d\u904e\u4f86\nCOPY --from=build-env \/etc\/ssl\/certs\/ca-certificates.crt \/etc\/ssl\/certs\/\nENV TZ=Asia\/Taipei\nEXPOSE 8080\nENTRYPOINT [\"\/app\/server.app\"]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u597d\u5566\uff0c\u9019\u6a23build\u51fa\u4f86\u7684image\u5c31\u6709trust root\u4e86\uff0c\u4e0d\u518d\u6703\u6709X.509\u7684\u932f\u8aa4\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7406\u8ad6\u4e0a\u4f86\u8b1bDocker\u9019\u6771\u897f\uff0c\u628aApplication\u5305\u6210image\u5728\u8dd1container\uff0c\u61c9\u8a72\u884c\u70ba\u8981\u8ddf\u539f\u751f\u8dd1\u7684\u4e00\u6a23\u624d\u5c0d\u3002\u5373\u4f7f\u4e0d\u540c\uff0c\u6211\u5011\u4e5f\u6703\u5229\u7528-v\u8ddf-p\u628avolume\u4ee5\u53caport\u639b\u4e0a\u53bb\uff0c\u8b93\u4ed6\u80fd\u76f4\u63a5\u5c0d\u61c9\u5230host\u88e1\u9762\u7684\u67d0\u4e9b\u6771\u897f\u3002 \u7136\u800c\uff0c\u67d0\u4e9b\u6771\u897f\uff0c\u5c24\u5176\u662fAPI Server\uff0c\u6211\u5011\u7e3d\u6703\u78b0\u5230\u4e00\u4e9b\u8dd1\u539f\u751f\u4ee5\u53ca\u8dd1Container\u884c\u70ba\u5927\u4e0d\u76f8\u540c\u7684\u5730\u65b9\uff0c\u6211\u628a\u6211\u958b\u767c\u4e2d\u78b0\u5230\u7684\u4e00\u4e9b\u4f8b\u5b50\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":781,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[38,84],"tags":[101,86],"class_list":["post-780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-code","category-84","tag-docker","tag-golang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u7a0b\u5f0f\u8dd1\u5728Container\u5167\u8ddf\u4ee5\u539f\u751f\u4f86\u8dd1\uff0c\u5230\u5e95\u54ea\u4e9b\u6703\u4e0d\u4e00\u6a23\uff1f - Fox Nest<\/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.rayer.idv.tw\/blog\/?p=780\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7a0b\u5f0f\u8dd1\u5728Container\u5167\u8ddf\u4ee5\u539f\u751f\u4f86\u8dd1\uff0c\u5230\u5e95\u54ea\u4e9b\u6703\u4e0d\u4e00\u6a23\uff1f - Fox Nest\" \/>\n<meta property=\"og:description\" content=\"\u7406\u8ad6\u4e0a\u4f86\u8b1bDocker\u9019\u6771\u897f\uff0c\u628aApplication\u5305\u6210image\u5728\u8dd1container\uff0c\u61c9\u8a72\u884c\u70ba\u8981\u8ddf\u539f\u751f\u8dd1\u7684\u4e00\u6a23\u624d\u5c0d\u3002\u5373\u4f7f\u4e0d\u540c\uff0c\u6211\u5011\u4e5f\u6703\u5229\u7528-v\u8ddf-p\u628avolume\u4ee5\u53caport\u639b\u4e0a\u53bb\uff0c\u8b93\u4ed6\u80fd\u76f4\u63a5\u5c0d\u61c9\u5230host\u88e1\u9762\u7684\u67d0\u4e9b\u6771\u897f\u3002 \u7136\u800c\uff0c\u67d0\u4e9b\u6771\u897f\uff0c\u5c24\u5176\u662fAPI Server\uff0c\u6211\u5011\u7e3d\u6703\u78b0\u5230\u4e00\u4e9b\u8dd1\u539f\u751f\u4ee5\u53ca\u8dd1Container\u884c\u70ba\u5927\u4e0d\u76f8\u540c\u7684\u5730\u65b9\uff0c\u6211\u628a\u6211\u958b\u767c\u4e2d\u78b0\u5230\u7684\u4e00\u4e9b\u4f8b\u5b50\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rayer.idv.tw\/blog\/?p=780\" \/>\n<meta property=\"og:site_name\" content=\"Fox Nest\" \/>\n<meta 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