{"id":32233,"date":"2022-11-11T21:24:35","date_gmt":"2024-03-03T13:09:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8-aws-cdk-typescript-%e7%8e%af%e5%a2%83%e4%b8%ad%e6%9c%89%e6%95%88%e5%9c%b0%e7%ae%a1%e7%90%86-lambda-layer%e3%80%82\/"},"modified":"2024-04-29T00:11:43","modified_gmt":"2024-04-28T16:11:43","slug":"%e5%9c%a8-aws-cdk-typescript-%e7%8e%af%e5%a2%83%e4%b8%ad%e6%9c%89%e6%95%88%e5%9c%b0%e7%ae%a1%e7%90%86-lambda-layer%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8-aws-cdk-typescript-%e7%8e%af%e5%a2%83%e4%b8%ad%e6%9c%89%e6%95%88%e5%9c%b0%e7%ae%a1%e7%90%86-lambda-layer%e3%80%82\/","title":{"rendered":"\u5728 AWS CDK + Typescript \u73af\u5883\u4e2d\u6709\u6548\u5730\u7ba1\u7406 Lambda Layer"},"content":{"rendered":"<p>\u4f7f\u7528AWS CDK\u5f00\u53d1lambda\u51fd\u6570\u65f6\uff0c\u6211\u60f3\u8bb0\u5f55\u4e0b\u4e00\u79cd\u7ba1\u7406lambda\u5c42\u7684\u597d\u65b9\u6cd5\uff0c\u4ee5\u5907\u5fd8\u3002\u56e0\u4e3a\u6211\u662f\u521d\u5b66\u8005\uff0c\u53ef\u80fd\u8fd8\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u3002<\/p>\n<h2>\u52a8\u673a<\/h2>\n<p>import { hoge } from &#8216;layer&#8217; \u307f\u305f\u3044\u306b lambda layer \u306b\u3057\u305f\u30b3\u30fc\u30c9\u3092\u4f7f\u3044\u305f\u3044<br \/>\nvendor \u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u5b9f\u88c5\u8005\u304c\u7279\u306b\u610f\u8b58\u305b\u305a\u4f7f\u3044\u305f\u3044(vendor \u30e9\u30a4\u30d6\u30e9\u30ea\u3082 layer \u306b\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059)<\/p>\n<p>package.json \u306f\uff11\u3064\u3060\u3051\u3067\u826f\u3044<\/p>\n<p>\u51fa\u4e8e\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u540c\u65f6\u4e5f\u5e0c\u671b\u7b80\u5355\u5730\u4e3a\u8fd9\u4e2a\u73af\u5883\u505a\u51c6\u5907\u7684\u80cc\u666f\u3002<\/p>\n<h2>\u786e\u8ba4\u64cd\u4f5c\u73af\u5883<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">typescript: 3.8.3<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">aws-cdk: 1.26.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">aws-sam-cli: 0.40.0<\/ul>\n<h2>\u9996\u5148\u51c6\u5907\u4e00\u4e2a\u7b80\u5355\u7684 lambda \u51fd\u6570\u3002<\/h2>\n<p>\u4ee5\u4e0b\u662f\u57fa\u4e8e\u4f7f\u7528 cdk init &#8211;language typescript \u521b\u5efa\u7684 cdk \u73af\u5883\u7684\u9879\u76ee\u3002<br \/>\n\u9879\u76ee\u540d\u79f0\uff1acdk-project<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>tree <span class=\"nt\">-I<\/span> node_modules <span class=\"nt\">-L<\/span> 3\r\n<span class=\"nb\">.<\/span>\r\n\u251c\u2500\u2500 README.md\r\n\u251c\u2500\u2500 bin\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 cdk-project.ts\r\n\u251c\u2500\u2500 cdk.json\r\n\u251c\u2500\u2500 jest.config.js\r\n\u251c\u2500\u2500 lib\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 cdk-project-stack.ts\r\n\u251c\u2500\u2500 package-lock.json\r\n\u251c\u2500\u2500 package.json\r\n\u251c\u2500\u2500 <span class=\"nb\">test<\/span>\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 cdk-project.test.ts\r\n\u2514\u2500\u2500 tsconfig.json\r\n<\/code><\/pre>\n<p>\u6211\u4f1a\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u533f\u540d\u51fd\u6570\u6765\u8fd4\u56de\u201cHello World\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">mkdir<\/span> <span class=\"nt\">-p<\/span> <span class=\"nb\">dir <\/span>lambda\/helloWorld\r\n<span class=\"nv\">$ <\/span>vi lambda\/helloWorld\/index.ts\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ lambda\/helloWorld\/index.ts<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">APIGatewayEvent<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Cotnext<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">aws-lambda<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">handler<\/span> <span class=\"o\">=<\/span> <span class=\"k\">async<\/span> <span class=\"p\">(<\/span><span class=\"nx\">event<\/span><span class=\"p\">:<\/span> <span class=\"nx\">APIGatewayEvent<\/span><span class=\"p\">,<\/span> <span class=\"nx\">context<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Context<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Callback<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">callback<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Hello World<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u521b\u5efa lambda\uff0c\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u4fee\u6539 lib\/cdk-project-stack.ts\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ lib\/cdk-project-stack.ts<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">cdk<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@aws-cdk\/core<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">lambda<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@aws-cdk\/aws-lambda<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">CdkProjectStack<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">Stack<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">scope<\/span><span class=\"p\">:<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">Construct<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span> <span class=\"nx\">props<\/span><span class=\"p\">?:<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">StackProps<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">super<\/span><span class=\"p\">(<\/span><span class=\"nx\">scope<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"nx\">props<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">helloWorldLambda<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nb\">Function<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">helloWorldLambda<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">code<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">Code<\/span><span class=\"p\">.<\/span><span class=\"nx\">fromAsset<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">lambda\/helloWorld<\/span><span class=\"dl\">'<\/span><span class=\"p\">),<\/span>\r\n      <span class=\"na\">handler<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">index.handler<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">runtime<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">Runtime<\/span><span class=\"p\">.<\/span><span class=\"nx\">NODEJS_12_X<\/span>\r\n    <span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ bin\/cdk-project.ts \u306b\u3082\u66f8\u304b\u308c\u3066\u3044\u308b\u304c\u30b3\u30fc\u30c9\u8a18\u8f09\u7701\u7565\u306e\u305f\u3081<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">app<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">App<\/span><span class=\"p\">()<\/span>\r\n<span class=\"k\">new<\/span> <span class=\"nx\">CdkProjectStack<\/span><span class=\"p\">(<\/span><span class=\"nx\">app<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">HelloWorldCdkApp<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nx\">app<\/span><span class=\"p\">.<\/span><span class=\"nx\">synth<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u6682\u65f6\u5728\u8fd9\u91cc\u7528 sam \u786e\u8ba4\u4e00\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>yarn build\r\n<span class=\"nv\">$ <\/span>cdk synth\r\n<span class=\"nv\">$ <\/span>sam <span class=\"nb\">local <\/span>invoke <span class=\"nt\">-t<\/span> cdk.out\/HelloWorldCdkApp.template.json\r\nInvoking index.handler <span class=\"o\">(<\/span>nodejs12.x<span class=\"o\">)<\/span>\r\n\r\nFetching lambci\/lambda:nodejs12.x Docker container image......\r\n<span class=\"o\">(<\/span>\u7701\u7565<span class=\"o\">)<\/span>\r\n\r\n<span class=\"s2\">\"Hello World\"<\/span>\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u5df2\u7ecf\u6536\u5230\u201cHello World\u201d\u3002<\/p>\n<h2>\u51c6\u5907lambda\u5c42<\/h2>\n<p>\u5728\u90e8\u7f72 lambda \u5c42\u65f6\uff0c\u5fc5\u987b\u9075\u5faa\u4ee5\u4e0b\u89c4\u5219\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">zip \u3067 S3 \u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">zip \u5c55\u958b\u5f8c\u306e\u69cb\u9020\u304c nodejs\/node_modules\/ \u3068\u306a\u3063\u3066\u3044\u308b<\/ul>\n<p>\u5982\u679c\u4f7f\u7528 aws-cdk\uff0c\u5b83\u53ef\u4ee5\u5c06\u6307\u5b9a\u7684\u76ee\u5f55\u538b\u7f29\u6210 zip \u5e76\u4e0a\u4f20\u5230 S3\uff0c\u4f46\u662f\u9700\u8981\u6211\u4eec\u81ea\u5df1\u5904\u7406 nodejs\/node_modules\/ \u8fd9\u6837\u7684\u7ed3\u6784\u3002\u8fd9\u662f\u4e2a\u68d8\u624b\u7684\u95ee\u9898\u3002<\/p>\n<blockquote><p>\u6211\u60f3\u4f7f\u7528\u8f6c\u5316\u4e3a lambda layer \u7684\u4ee3\u7801\uff0c\u5c31\u50cfimport { hoge } from &#8216;layer&#8217;\u4e00\u6837\u3002<\/p><\/blockquote>\n<p>\u6253\u7b97\u505a\u67d0\u4e8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">.<\/span>\r\n\u251c\u2500\u2500 lambda\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 helloWorld\r\n\u2514\u2500\u2500 layer\r\n<\/code><\/pre>\n<p>\u5982\u679c\u7b80\u5355\u5730\u8fdb\u884c\uff0c\u90a3\u4e48\u5c31\u4f1a\u53d8\u6210\uff1a\u201c\u4f9b\u5e94\u5546\u5e93\u5462\uff1f\u5408\u5e76\u6210Lambda\u5c42\u597d\u9ebb\u70e6\u3002\u3002\u3002\u201d<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">.<\/span>\r\n\u251c\u2500\u2500 lambda\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 helloWorld\r\n\u2514\u2500\u2500 layer\r\n \u00a0\u00a0 \u2514\u2500\u2500 nodejs\r\n \u00a0\u00a0     \u2514\u2500\u2500 nodejs\r\n     \u00a0\u00a0     \u2514\u2500\u2500 node_modules\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8fd9\u6837\u7684\u8bdd\uff0c\u201c\u54ce\u5440\uff01\u5982\u679c\u5305\u62ec\u4f9b\u5e94\u5546\u7684\u5e93\uff0c\u6211\u9700\u8981\u5728nodejs\u4e2d\u51c6\u5907\u4e00\u4e2apackage.json\u6765\u7ba1\u7406\uff1f\u800c\u4e14\uff0cimport\u8bed\u53e5\u770b\u8d77\u6765\u4e0d\u592a\u8212\u670d\u3002\u3002\u600e\u4e48\u529e\u5462\uff1f\u201d<\/p>\n<blockquote><p>\u4f9b\u5e94\u5546\u5e93\u53ef\u4ee5\u65e0\u9700\u7279\u522b\u610f\u8bc6\u5230\u4f7f\u7528(\u5bf9\u4e8eaws-cdk \u7279\u522b\u9700\u8981\u5c06\u4f9b\u5e94\u5546\u5e93\u4fdd\u7559\u4e3a\u5c42)<br \/>\n\u53ea\u9700\u8981\u4e00\u4e2a package.json \u6587\u4ef6\u5373\u53ef<\/p><\/blockquote>\n<p>\u5728\u8fd9\u4e00\u5e26\u505a\u5f97\u4e0d\u597d\uff0c\u53d8\u5f97\u5f88\u70e6\u607c\u4e86\u3002<\/p>\n<p>\u901a\u8fc7\u91c7\u7528\u4ee5\u4e0b\u7ed3\u6784\uff0c\u95ee\u9898\u5f97\u5230\u4e86\u89e3\u51b3\u3002\uff08\u6211\u662f\u7528\u4e0a\u8ff0\u7b2c\u4e00\u79cd\u65b9\u6cd5\uff09<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728layer\u6587\u4ef6\u5939\u4ee5\u4e0b\u7ba1\u7406\u72ec\u81ea\u5171\u901a\u5316\u5904\u7406<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728root\u7684dependencies\u4e2d\u6dfb\u52a0layer\u6587\u4ef6\u5939\u7684\u8def\u5f84<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728root\u7684dependencies\u4e2d\u6dfb\u52a0\u8981\u7528\u4f5clambda\u5c42\u7684vendor\u5e93<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5728root\u7684dependencies\u4e2d\u4ee5layer.out\/nodejs\/node_modules\/\u7684\u7ed3\u6784\u6dfb\u52a0\u6307\u5b9a\u7684\u5e93\uff0c\u5e76\u8fdb\u884cyarn\u5b89\u88c5\u3002<\/ol>\n<p>\u5982\u679c\u4f60\u8ba4\u4e3a layer.out\/nodejs\/node_modules\/ \u8fd9\u4e2a\u6587\u4ef6\u5939\u6709\u81a8\u80c0\u7684\u60c5\u51b5\uff0c\u5efa\u8bae\u4f60\u8003\u8651\u5c06\u5176\u4e2d\u5e94\u8be5\u79fb\u81f3 devDependencies \u7684\u5185\u5bb9\u79fb\u52a8\u8fc7\u53bb\u3002<\/p>\n<h3>\u5728layer\u6587\u4ef6\u5939\u4e2d\u7ba1\u7406\u5355\u72ec\u7684\u5171\u540c\u5904\u7406\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nb\">.<\/span>\r\n\u251c\u2500\u2500 lambda\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 helloWorld\r\n\u2514\u2500\u2500 layer\r\n \u00a0\u00a0 \u2514\u2500\u2500 utils\r\n    \u2502\u00a0\u00a0 \u2514\u2500\u2500 index.ts\r\n \u00a0\u00a0 \u251c\u2500\u2500 ...\r\n \u00a0\u00a0 \u2514\u2500\u2500 index.ts\r\n<\/code><\/pre>\n<p>\u5728\u56fe\u5c42\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\uff0c\u7528\u6765\u5bf9\u6570\u503c\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ layer\/utils\/index.ts<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">num1<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">,<\/span> <span class=\"nx\">num2<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">):<\/span> <span class=\"kr\">number<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">num1<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">num2<\/span>\r\n<\/code><\/pre>\n<p>\u5728 layer \u5c42\u4e0b\u7ba1\u7406\u901a\u7528\u5904\u7406\u5e76\u4e14\u5728 layer\/index.ts \u6587\u4ef6\u4e2d\u8fdb\u884c\u96c6\u4e2d\u5bfc\u51fa\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ layer\/index.ts<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/utils<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"p\">...<\/span>\r\n<\/code><\/pre>\n<h3>\u5728root\u7684\u4f9d\u8d56\u9879\u4e2d\u4f7f\u7528\u8def\u5f84\u6307\u5b9a\u65b9\u5f0f\u6dfb\u52a0layer\u76ee\u5f55\u3002<\/h3>\n<p>\u4fee\u6539 package.json \u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"err\">...<\/span>\r\n  <span class=\"nl\">\"dependencies\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"layer\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"file:.\/layer\"<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5728root\u7684dependencies\u4e2d\u6dfb\u52a0\u60f3\u8981\u4f5c\u4e3aLambda\u5c42\u4f7f\u7528\u7684\u4f9b\u5e94\u5546\u5e93\u3002<\/h3>\n<p>\u4e3a\u4e86\u505a\u4e00\u4e2a\u4f9b\u5e94\u5546\u4ee3\u7801\u7684\u4f8b\u5b50\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5728\u4f9d\u8d56\u4e2d\u6dfb\u52a0dayjs\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"err\">...<\/span>\r\n  <span class=\"nl\">\"dependencies\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"dayjs\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^1.8.22\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"layer\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"file:.\/layer\"<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>4. \u5c06\u6839\u76ee\u5f55\u7684 package.json \u6587\u4ef6\u4e2d\u6307\u5b9a\u7684\u4f9d\u8d56\u5e93\u4ee5 layer.out\/nodejs\/node_modules\/ \u7ed3\u6784\u7684\u65b9\u5f0f\u8fdb\u884c yarn install \u5b89\u88c5\u3002<\/h3>\n<p>\u521b\u5efa\u4e00\u4e2a\u9884\u5904\u7406\u811a\u672c\uff0c\u7528\u4e8e\u6309\u7167\u6307\u5b9a\u7684\u7ed3\u6784\u6765\u5b89\u88c5\u5728dependencies\u4e2d\u6307\u5b9a\u7684\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ lib\/layerSetup.ts<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">childProcess<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">child_process<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">LAMBDA_LAYER_DIR_NAME<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/layer.out\/nodejs\/node_modules\/<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">bundleLayer<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">childProcess<\/span><span class=\"p\">.<\/span><span class=\"nx\">execSync<\/span><span class=\"p\">(<\/span><span class=\"s2\">`yarn install --production --modules-folder <\/span><span class=\"p\">${<\/span><span class=\"nx\">LAMBDA_LAYER_DIR_NAME<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ bin\/cdk-project.ts<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">...<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">bundleLayer<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/layerSetup<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"c1\">\/\/ pre-process<\/span>\r\n<span class=\"nx\">bundleLayer<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">app<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">App<\/span><span class=\"p\">()<\/span>\r\n<span class=\"k\">new<\/span> <span class=\"nx\">CdkProjectStack<\/span><span class=\"p\">(<\/span><span class=\"nx\">app<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">HelloWorldCdkApp<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u8981\u5728\u4f7f\u7528tsc\u8fdb\u884c\u8f6c\u8bd1\u4e4b\u524d\u5347\u7ea7layer\uff0c\u8fd9\u6837\u5f53\u66f4\u65b0layer\u65f6\u4e5f\u53ef\u4ee5\u8f7b\u677e\u5730\u8fdb\u884c\u53cd\u6620\uff0c\u56e0\u6b64\u53ef\u4ee5npm\u811a\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"err\">...<\/span>\r\n  <span class=\"nl\">\"scripts\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"build\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"yarn upgrade layer &amp;&amp; tsc\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"err\">...<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u9009\u9879\uff0c\u770b\u8d77\u6765\u4e0d\u9519\u3002<\/p>\n<p>\u6700\u540e\u5c06 Lambda \u5c42\u6dfb\u52a0\u5230\u5806\u6808\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">cdk<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@aws-cdk\/core<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">lambda<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@aws-cdk\/aws-lambda<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">CdkProjectStack<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">Stack<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">scope<\/span><span class=\"p\">:<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">Construct<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span> <span class=\"nx\">props<\/span><span class=\"p\">?:<\/span> <span class=\"nx\">cdk<\/span><span class=\"p\">.<\/span><span class=\"nx\">StackProps<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">super<\/span><span class=\"p\">(<\/span><span class=\"nx\">scope<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"nx\">props<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">layer<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">LayerVersion<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">layer<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">compatibleRuntimes<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">Runtime<\/span><span class=\"p\">.<\/span><span class=\"nx\">NODEJS_12_X<\/span><span class=\"p\">],<\/span>\r\n      <span class=\"na\">code<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">Code<\/span><span class=\"p\">.<\/span><span class=\"nx\">fromAsset<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">layer.out<\/span><span class=\"dl\">'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"p\">})<\/span>\r\n\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">helloWorldLambda<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nb\">Function<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">helloWorldLambda<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">code<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">Code<\/span><span class=\"p\">.<\/span><span class=\"nx\">fromAsset<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">lambda\/helloWorld<\/span><span class=\"dl\">'<\/span><span class=\"p\">),<\/span>\r\n      <span class=\"na\">handler<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">index.handler<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">runtime<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lambda<\/span><span class=\"p\">.<\/span><span class=\"nx\">Runtime<\/span><span class=\"p\">.<\/span><span class=\"nx\">NODEJS_12_X<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">layers<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">layer<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>yarn build\r\n<span class=\"nv\">$ <\/span>cdk synth\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8fd9\u6837\u505a\uff0c\u5c31\u4f1a\u5728\u9884\u5904\u7406\u4e2d\u521b\u5efa layer.out\/nodejs\/node_modules\/&#8230;\uff0c\u7136\u540e\u5c06 layer.out \u8bbe\u7f6e\u4e3a layer\u3002<\/p>\n<h2>\u7528Sam\u8fdb\u884cLambda Layer\u7684\u64cd\u4f5c\u9a8c\u8bc1<\/h2>\n<p>\u5c06 helloWorldLambda \u66f4\u6539\u4e3a\u4f7f\u7528 lambda layer \u7684\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">APIGatewayEvent<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Context<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">aws-lambda<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">dayjs<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">dayjs<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">sum<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">layer<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"nx\">dayjs<\/span><span class=\"p\">.<\/span><span class=\"nx\">locale<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">ja<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">handler<\/span> <span class=\"o\">=<\/span> <span class=\"k\">async<\/span> <span class=\"p\">(<\/span><span class=\"nx\">event<\/span><span class=\"p\">:<\/span> <span class=\"nx\">APIGatewayEvent<\/span><span class=\"p\">,<\/span> <span class=\"nx\">context<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Context<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Callback<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Hello World<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">sum<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">))<\/span> <span class=\"c1\">\/\/ 3<\/span>\r\n  <span class=\"nx\">callback<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dayjs<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">2020-01-01<\/span><span class=\"dl\">'<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>yarn build\r\n<span class=\"nv\">$ <\/span>cdk synth\r\n<span class=\"nv\">$ <\/span>sam <span class=\"nb\">local <\/span>invoke <span class=\"nt\">-t<\/span> .\/cdk.out\/HelloWorldCdkApp.template.json\r\nInvoking index.handler <span class=\"o\">(<\/span>nodejs12.x<span class=\"o\">)<\/span>\r\nlayer27F209B1 is a <span class=\"nb\">local <\/span>Layer <span class=\"k\">in <\/span>the template\r\nBuilding image...\r\nRequested to skip pulling images ...\r\n\r\n<span class=\"o\">(<\/span>\u7701\u7565<span class=\"o\">)<\/span>\r\n... INFO    Hello World\r\n... INFO    3\r\n<span class=\"o\">(<\/span>\u7701\u7565<span class=\"o\">)<\/span>\r\n\r\n<span class=\"s2\">\"2020-01-01T00:00:00.000Z\"<\/span>\r\n<\/code><\/pre>\n<p>\u51fa\u6765\u4e86\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u53e5\uff0c\u5728\u4e0d\u5c06\u4f9b\u5e94\u5546\u4ee3\u7801\u8bbe\u4e3a Lambda \u5c42\u7684\u60c5\u51b5\u4e0b<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">{<\/span><span class=\"s2\">\"errorType\"<\/span>:<span class=\"s2\">\"Runtime.ImportModuleError\"<\/span>,<span class=\"s2\">\"errorMessage\"<\/span>:<span class=\"s2\">\"Error: Cannot find module 'dayjs'<\/span><span class=\"se\">\\n<\/span><span class=\"s2\">Require stack:<\/span><span class=\"se\">\\n<\/span><span class=\"s2\">- \/var\/task\/index.js<\/span><span class=\"se\">\\n<\/span><span class=\"s2\">- \/var\/runtime\/UserFunction.js<\/span><span class=\"se\">\\n<\/span><span class=\"s2\">- \/var\/runtime\/index.js\"<\/span><span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53d8\u5f97\u50cf\u90a3\u6837\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">dependencies \u3067 lambda layer \u3092\u7ba1\u7406\u3067\u304d\u308b\u4f53\u5236\u306b\u3059\u308b\u3002(dependencies \u3068 devDependencies \u3092\u533a\u5225\u3059\u308b\u610f\u8b58\u3092\u3064\u3051\u3066\u3053\u3046)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">preprocess \u3067 dependencies \u3092 nodejs\/node_modules \u306e\u5f62\u5f0f\u306b\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">npm scripts \u3067 synth \u307e\u3067\u306e\u30b3\u30de\u30f3\u30c9\u3092\u3042\u307e\u308a\u610f\u8b58\u3057\u306a\u304f\u3066\u826f\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/ul>\n<p>\u5728\u8fdb\u884c synth \u4e4b\u524d\uff0c\u5982\u679c\u4e0d\u5220\u9664 cdk.out \u548c layer.out \u7b49\u6587\u4ef6\uff0c\u6709\u65f6\u5019\u66f4\u65b0\u53ef\u80fd\u4e0d\u4f1a\u6210\u529f\uff0c\u6240\u4ee5\u6700\u597d\u5728 cdk:synth \u8fd9\u6837\u7684 npm \u811a\u672c\u4e2d\u6dfb\u52a0\u6e05\u7406\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u5728 cdk synth \u4e4b\u524d\u6267\u884c\u6e05\u7406\u5904\u7406\u3002\uff08\u6211\u8fd8\u6ca1\u6709\u7814\u7a76 aws-cdk \u7684\u8fd9\u65b9\u9762\u884c\u4e3a\uff09<\/p>\n<p>\u5982\u679c\u6709\u66f4\u597d\u7684\u5efa\u8bae\uff0c\u8bf7\u544a\u8bc9\u6211\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528AWS CDK\u5f00\u53d1lambda\u51fd\u6570\u65f6\uff0c\u6211\u60f3\u8bb0\u5f55\u4e0b\u4e00\u79cd\u7ba1\u7406lambda\u5c42\u7684\u597d\u65b9\u6cd5\uff0c\u4ee5\u5907\u5fd8\u3002\u56e0\u4e3a\u6211\u662f\u521d\u5b66\u8005\uff0c\u53ef [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32233","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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