Increase ephemeral storage of lambda to 10gb, memory to 512mb, to all…

…ow for downloading/uploading large files
guardian · Jan 8, 2025 · a2c18c6 · a2c18c6
1 parent 21c2b54
commit a2c18c6
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Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/packages/cdk/lib/__snapshots__/transcription-service.test.ts.snap b/packages/cdk/lib/__snapshots__/transcription-service.test.ts.snap
@@ -1798,8 +1798,15 @@ service transcription-service-worker start",
               },
             },
             "Memory": 4096,
+            "MountPoints": [
+              {
+                "ContainerPath": "/media-download",
+                "ReadOnly": false,
+                "SourceVolume": "media-download-volume",
+              },
+            ],
             "Name": "media-download-task-TaskContainer",
-            "ReadonlyRootFilesystem": false,
+            "ReadonlyRootFilesystem": true,
           },
         ],
         "Cpu": "2048",
@@ -1850,6 +1857,11 @@ service transcription-service-worker start",
             "Arn",
           ],
         },
+        "Volumes": [
+          {
+            "Name": "media-download-volume",
+          },
+        ],
       },
       "Type": "AWS::ECS::TaskDefinition",
     },
@@ -2112,6 +2124,9 @@ service transcription-service-worker start",
             "STAGE": "TEST",
           },
         },
+        "EphemeralStorage": {
+          "Size": 10240,
+        },
         "Handler": "index.api",
         "LoggingConfig": {
           "LogFormat": "JSON",

diff --git a/packages/cdk/lib/transcription-service.ts b/packages/cdk/lib/transcription-service.ts
@@ -30,6 +30,7 @@ import {
 	Duration,
 	Fn,
 	RemovalPolicy,
+	Size,
 	Tags,
 } from 'aws-cdk-lib';
 import { EndpointType } from 'aws-cdk-lib/aws-apigateway';
@@ -199,6 +200,8 @@ export class TranscriptionService extends GuStack {
 				noMonitoring: true,
 			},
 			app: `${APP_NAME}-api`,
+			ephemeralStorageSize: Size.mebibytes(10240),
+			memorySize: 512,
 			api: {
 				id: apiId,
 				description: 'API for transcription service frontend',