ssr-site: do not deploy CDN in dev mode

Author: fwang

pkg/platform/src/components/aws/astro.ts

@@ -7,6 +7,7 @@ import {
   Plan,
   SsrSiteArgs,
   createBucket,
+  createDevServer,
   createServersAndDistribution,
   prepare,
   useCloudFrontFunctionHostHeaderInjection,
@@ -319,9 +320,9 @@ const BUILD_META_FILE_NAME: BuildMetaFileName = "sst.buildMeta.json";
  * ```
  */
 export class Astro extends Component implements Link.Linkable {
-  private cdn: Output<Cdn>;
-  private assets: Bucket;
-  private server: Output<Function>;
+  private cdn?: Output<Cdn>;
+  private assets?: Bucket;
+  private server?: Output<Function>;
 
   constructor(
     name: string,
@@ -331,10 +332,22 @@ export class Astro extends Component implements Link.Linkable {
     super(__pulumiType, name, args, opts);
 
     const parent = this;
-    const { sitePath, partition, region } = prepare(args, opts);
+    const { sitePath, partition } = prepare(args, opts);
+
+    if ($dev) {
+      this.registerOutputs({
+        _metadata: {
+          mode: "placeholder",
+          path: sitePath,
+          server: createDevServer(parent, name, args).arn,
+        },
+      });
+      return;
+    }
+
     const { access, bucket } = createBucket(parent, name, partition, args);
     const outputPath = buildApp(name, args, sitePath);
-    const { buildMeta } = loadBuildOutput();
+    const buildMeta = loadBuildMetadata();
     const plan = buildPlan();
     const { distribution, ssrFunctions, edgeFunctions } =
       createServersAndDistribution(
@@ -352,37 +365,18 @@ export class Astro extends Component implements Link.Linkable {
     this.cdn = distribution;
     this.server = serverFunction;
     this.registerOutputs({
-      _hint: $dev
-        ? undefined
-        : all([this.cdn.domainUrl, this.cdn.url]).apply(
-            ([domainUrl, url]) => domainUrl ?? url,
-          ),
+      _hint: all([this.cdn.domainUrl, this.cdn.url]).apply(
+        ([domainUrl, url]) => domainUrl ?? url,
+      ),
       _metadata: {
-        mode: $dev ? "placeholder" : "deployed",
+        mode: "deployed",
         path: sitePath,
         url: distribution.apply((d) => d.domainUrl ?? d.url),
         edge: plan.edge,
         server: serverFunction.arn,
       },
     });
 
-    function loadBuildOutput() {
-      const cache = new Cache(
-        `${name}BuildOutput`,
-        {
-          data: $dev ? loadBuildMetadataPlaceholder() : loadBuildMetadata(),
-        },
-        {
-          parent,
-          ignoreChanges: $dev ? ["*"] : undefined,
-        },
-      );
-
-      return {
-        buildMeta: cache.data as ReturnType<typeof loadBuildMetadata>,
-      };
-    }
-
     function loadBuildMetadata() {
       return outputPath.apply((outputPath) => {
         const filePath = path.join(outputPath, "dist", BUILD_META_FILE_NAME);
@@ -397,34 +391,6 @@ export class Astro extends Component implements Link.Linkable {
       });
     }
 
-    function loadBuildMetadataPlaceholder() {
-      return {
-        deploymentStrategy: "regional",
-        responseMode: "buffer",
-        outputMode: "server",
-        pageResolution: "directory",
-        trailingSlash: "ignore",
-        serverBuildOutputFile: "dist/server/entry.mjs",
-        clientBuildOutputDir: "dist/client",
-        clientBuildVersionedSubDir: "_astro",
-        routes: [
-          {
-            route: "/_image",
-            type: "endpoint",
-            pattern: "/^\\/_image$/",
-            prerender: false,
-          },
-          {
-            route: "/",
-            type: "page",
-            pattern: "/^\\/$/",
-            prerender: false,
-          },
-        ],
-        serverRoutes: [],
-      };
-    }
-
     function buildPlan() {
       return all([outputPath, buildMeta]).apply(([outputPath, buildMeta]) => {
         const isStatic = buildMeta.outputMode === "static";
@@ -603,7 +569,7 @@ export class Astro extends Component implements Link.Linkable {
    * Otherwise, it's the autogenerated CloudFront URL.
    */
   public get url() {
-    return all([this.cdn.domainUrl, this.cdn.url]).apply(
+    return all([this.cdn?.domainUrl, this.cdn?.url]).apply(
       ([domainUrl, url]) => domainUrl ?? url,
     );
   }

pkg/platform/src/components/aws/function.ts

@@ -781,10 +781,6 @@ export interface FunctionArgs {
      */
     logGroup?: Transform<cloudwatch.LogGroupArgs>;
   };
-  /**
-   * @internal
-   */
-  _ignoreCodeChanges?: boolean;
   /**
    * @internal
    */
@@ -1116,17 +1112,6 @@ export class Function extends Component implements Link.Linkable, AWSLinkable {
 
     function buildHandler() {
       return dev.apply((dev) => {
-        if (args._ignoreCodeChanges) {
-          return {
-            bundle: path.join(
-              $cli.paths.platform,
-              "functions",
-              "empty-function",
-            ),
-            handler: "index.handler",
-          };
-        }
-
         if (dev) {
           return {
             handler: "bootstrap",
@@ -1398,9 +1383,6 @@ export class Function extends Component implements Link.Linkable, AWSLinkable {
         },
         {
           parent,
-          ignoreChanges: args._ignoreCodeChanges
-            ? ["key", "source"]
-            : undefined,
           retainOnDelete: true,
         },
       );
@@ -1456,12 +1438,7 @@ export class Function extends Component implements Link.Linkable, AWSLinkable {
       transformed.architectures = all([transformed.architectures, dev]).apply(
         ([architectures, dev]) => (dev ? ["x86_64"] : architectures!),
       );
-      return new lambda.Function(`${name}Function`, transformed, {
-        parent,
-        ignoreChanges: args._ignoreCodeChanges
-          ? ["code", "handler"]
-          : undefined,
-      });
+      return new lambda.Function(`${name}Function`, transformed, { parent });
     }
 
     function createUrl() {