[アップデート] Amazon Bedrock AgentCore Runtimeのdirect code deployがNode.jsに対応しました！

mkdir agent-strands-hono && cd agent-strands-hono
npm init -y
npm pkg set type="module"
npm install hono @hono/node-server @strands-agents/sdk
npm install -D typescript @types/node tsx

{
  "compilerOptions": {
    "target": "ES2022",
    "module": "NodeNext",
    "moduleResolution": "NodeNext",
    "strict": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "types": ["node"],
    "rootDir": "src",
    "outDir": "dist"
  },
  "include": ["src/**/*.ts"]
}

import { Hono } from "hono";
import { serve } from "@hono/node-server";
import { stream } from "hono/streaming";
import { Agent } from "@strands-agents/sdk";
import { BedrockModel } from "@strands-agents/sdk/models/bedrock";

const model = new BedrockModel({
  region: process.env.AWS_REGION ?? "us-west-2",
  modelId: "us.anthropic.claude-haiku-4-5-20251001-v1:0",
  maxTokens: 1024,
});

const agent = new Agent({
  model,
  systemPrompt: "あなたは親しみやすいアシスタントです。簡潔に日本語で答えてください。",
});

const app = new Hono();

app.get("/ping", (c) => c.json({ status: "Healthy" }));

app.post("/invocations", async (c) => {
  const body = await c.req.json<{ prompt?: string }>().catch(() => ({}) as { prompt?: string });
  const prompt = body.prompt ?? "こんにちは";

  c.header("Content-Type", "text/event-stream");
  c.header("Cache-Control", "no-cache");
  c.header("Content-Encoding", "Identity");

  return stream(c, async (s) => {
    for await (const event of agent.stream(prompt)) {
      if (event.type === "modelStreamUpdateEvent") {
        const inner = event.event;
        if (inner.type === "modelContentBlockDeltaEvent" && inner.delta.type === "textDelta") {
          await s.write(`data: ${JSON.stringify({ text: inner.delta.text })}\n\n`);
        }
      } else if (event.type === "agentResultEvent") {
        const usage = event.result.lastMessage?.metadata?.usage;
        await s.write(
          `event: done\ndata: ${JSON.stringify({ stopReason: event.result.stopReason, usage })}\n\n`,
        );
      }
    }
  });
});

const port = 8080;
serve({ fetch: app.fetch, hostname: "0.0.0.0", port });
console.log(`Strands+Hono agent listening on port ${port} (Node ${process.version})`);

npx tsx src/app.ts

curl -s http://localhost:8080/ping

{"status":"Healthy"}

curl -sN -X POST http://localhost:8080/invocations \
  -H "Content-Type: application/json" \
  -d '{"prompt":"自己紹介を一文で。"}'

data: {"text":"こ"}
data: {"text":"んにちは！"}
data: {"text":"私は"}
data: {"text":"Cl"}
data: {"text":"audeという"}
data: {"text":"AIアシスタントで"}
...
event: done
data: {"stopReason":"endTurn","usage":{"inputTokens":49,"outputTokens":59,"totalTokens":108}}

npx tsc

ls -lh dist/app.js

npm prune --omit=dev

zip -r deployment_package.zip dist package.json package-lock.json node_modules

{
  "Version": "2012-10-17",
  "Statement": [{
    "Effect": "Allow",
    "Principal": { "Service": "bedrock-agentcore.amazonaws.com" },
    "Action": "sts:AssumeRole",
    "Condition": {
      "StringEquals": { "aws:SourceAccount": "<ACCOUNT_ID>" },
      "ArnLike": { "aws:SourceArn": "arn:aws:bedrock-agentcore:us-west-2:<ACCOUNT_ID>:*" }
    }
  }]
}

aws iam create-role \
  --role-name AmazonBedrockAgentCoreSDKRuntime-us-west-2 \
  --assume-role-policy-document file://trust-policy.json

aws iam put-role-policy \
  --role-name AmazonBedrockAgentCoreSDKRuntime-us-west-2 \
  --policy-name AgentCoreRuntimePolicy \
  --policy-document file://runtime-policy.json

aws s3api create-bucket \
  --bucket bedrock-agentcore-code-<ACCOUNT_ID>-us-west-2 \
  --region us-west-2 \
  --create-bucket-configuration LocationConstraint=us-west-2

aws s3 cp deployment_package.zip \
  s3://bedrock-agentcore-code-<ACCOUNT_ID>-us-west-2/agent-strands-hono/deployment_package.zip \
  --region us-west-2

aws bedrock-agentcore-control create-agent-runtime \
  --agent-runtime-name agent_strands_hono \
  --agent-runtime-artifact '{
    "codeConfiguration": {
      "code": {
        "s3": {
          "bucket": "bedrock-agentcore-code-<ACCOUNT_ID>-us-west-2",
          "prefix": "agent-strands-hono/deployment_package.zip"
        }
      },
      "runtime": "NODE_22",
      "entryPoint": ["dist/app.js"]
    }
  }' \
  --network-configuration '{"networkMode":"PUBLIC"}' \
  --role-arn "arn:aws:iam::<ACCOUNT_ID>:role/AmazonBedrockAgentCoreSDKRuntime-us-west-2" \
  --region us-west-2

{
    "agentRuntimeArn": "arn:aws:bedrock-agentcore:us-west-2:<ACCOUNT_ID>:runtime/agent_strands_hono-XXXXXXXXXX",
    "agentRuntimeId": "agent_strands_hono-XXXXXXXXXX",
    "agentRuntimeVersion": "1",
    "status": "CREATING"
}

aws bedrock-agentcore-control get-agent-runtime \
  --agent-runtime-id agent_strands_hono-XXXXXXXXXX \
  --region us-west-2 \
  --query status

"READY"

SESSION="my-session-$(date +%s)-$(head -c 22 /dev/urandom | base64 | tr -d /=+)"
ARN="arn:aws:bedrock-agentcore:us-west-2:<ACCOUNT_ID>:runtime/agent_strands_hono-XXXXXXXXXX"

aws bedrock-agentcore invoke-agent-runtime \
  --agent-runtime-arn "$ARN" \
  --runtime-session-id "$SESSION" \
  --payload '{"prompt":"自己紹介を一文で。"}' \
  --region us-west-2 \
  /tmp/response.txt

{
    "runtimeSessionId": "my-session-...",
    "contentType": "text/event-stream",
    "statusCode": 200
}

data: {"text":"Ag"}
data: {"text":"entCore Runtimeが"}
data: {"text":"Node.js"}
data: {"text":"に"}
data: {"text":"対応する"}
data: {"text":"な"}
data: {"text":"ん"}
data: {"text":"て、Java"}
data: {"text":"Scriptで"}
data: {"text":"最"}
data: {"text":"先"}
data: {"text":"端の"}
...
event: done
data: {"stopReason":"endTurn","usage":{"inputTokens":69,"outputTokens":58,"totalTokens":127}}

aws bedrock-agentcore-control update-agent-runtime \
  --agent-runtime-id agent_strands_hono-XXXXXXXXXX \
  --agent-runtime-artifact '{"codeConfiguration":{"code":{...},"runtime":"NODE_24","entryPoint":["dist/app.js"]}}' \
  ...

An error occurred (ValidationException) when calling the UpdateAgentRuntime operation: 
1 validation error detected: Value 'NODE_24' at 'agentRuntimeArtifact.codeConfiguration.runtime' 
failed to satisfy constraint: Member must satisfy enum value set: 
[PYTHON_3_10, PYTHON_3_11, PYTHON_3_12, PYTHON_3_13, PYTHON_3_14, NODE_22]

{ "engines": { "node": ">=18" } }
{ "engines": { "node": ">=14 <18 || >=20" } }
{ "engines": { "node": "22" } }

npm install @aws/aws-distro-opentelemetry-node-autoinstrumentation

{ "entryPoint": ["opentelemetry-instrument", "dist/app.js"] }

AWS Distro of OpenTelemetry automatic instrumentation started successfully