feat: use a multi-stage build for dockerfile

dangreaves · Sep 19, 2024 · 23ff02c · 23ff02c
1 parent 2fc2798
commit 23ff02c
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/src/assets/Dockerfile b/src/assets/Dockerfile
@@ -1,7 +1,4 @@
-FROM public.ecr.aws/docker/library/node:20
-
-# https://github.com/awslabs/aws-lambda-web-adapter
-COPY --from=public.ecr.aws/awsguru/aws-lambda-adapter:0.8.4 /lambda-adapter /opt/extensions/lambda-adapter
+FROM public.ecr.aws/docker/library/node:20 AS base
 
 ENV PORT=8080
 
@@ -11,4 +8,9 @@ COPY . .
 
 ENV NODE_ENV=production
 
-CMD ["node", "__HANDLER_PATH__"]
+CMD ["node", "__HANDLER_PATH__"]
+
+FROM base AS lambda
+
+# https://github.com/awslabs/aws-lambda-web-adapter
+COPY --from=public.ecr.aws/awsguru/aws-lambda-adapter:0.8.4 /lambda-adapter /opt/extensions/lambda-adapter
diff --git a/src/cdk/GatsbySite.ts b/src/cdk/GatsbySite.ts
@@ -176,6 +176,7 @@ export class GatsbySite extends Construct {
             memorySize: options.memorySize ?? isSsrEngine ? 1024 : 512,
             logRetention: logs.RetentionDays.ONE_MONTH,
             code: lambda.DockerImageCode.fromImageAsset(fn.functionDir, {
+              target: "lambda",
               platform: ecrAssets.Platform.LINUX_AMD64,
             }),
             insightsVersion: lambda.LambdaInsightsVersion.VERSION_1_0_229_0,
@@ -240,6 +241,7 @@ export class GatsbySite extends Construct {
             taskImageOptions: {
               containerPort: 8080,
               image: ecs.ContainerImage.fromAsset(fn.functionDir, {
+                target: "base",
                 platform: ecrAssets.Platform.LINUX_AMD64,
               }),
               logDriver: new ecs.AwsLogDriver({