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Set up a cross-account IAM role in the destination account

• Add a new IAM role
• For type of trusted entity select "another AWS account"
• Specify the accountId of the account that will be using the resource in the destination account. You can find your AWS Account ID, which is available on the support homepage when you are logged in.
• Create a policy that allows lambda:InvokeFunction for your function and attach it to this new role.

Create a lambda in the calling account.

• Set up a role for your lambda that is allowed to assumeRole
• Use the AWS SDK to assume the new role in the destination account.
• Pass the credentials to the lambda object when you create it

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import uvicorn
from fastapi import FastAPI
from model import SentimentModel, SentimentQueryModel

app = FastAPI()
model = SentimentModel()

@app.post('/predict')
def predict(data: SentimentQueryModel):
    data = data.dict()

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import re
from typing import List

import spacy
from spacy.tokens import Doc
from tqdm import tqdm


class SpacyPreprocessor:
    def __init__(

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// credentials are stored in a .env file with the following contents:
//
// accessKeyId=
// secretAccessKey=
// region=
// tableName=

// See: https://github.com/motdotla/dotenv
require("dotenv").config();

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# Adapted from https://lobster1234.github.io/2017/12/03/run-tasks-with-aws-fargate-and-lambda/

import boto3
import os

def lambda_handler(event,context):
    client = boto3.client('ecs')
    response = client.run_task(
        cluster=os.getenv('CLUSTER'),
        launchType=os.getenv('LAUNCH_TYPE', 'FARGATE'),

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REGION=eu-west-1
VER=2.1.8
LANG=en
MODEL=en_core_web_sm-2.1.0
RUNTIME=python3.7

MODEL_URL=https://github.com/explosion/spacy-models/releases/download/$MODEL/$MODEL.tar.gz

docker run -v $(pwd):/out -it lambci/lambda:build-$RUNTIME \
    pip install spacy==$VER $MODEL_URL -t /out/build/spacy/python

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#!/usr/bin/env bash


openssl genrsa -out private_key.pem 2048    # generate an RSA private key of 2048 bits

openssl rsa -pubout -in private_key.pem -out public_key.pem     # Generate the public key from the private key

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AWS Step functions

InputPath, OutputPath, ResultPath

• InputPath -> the part of the original JSON payload to take to the step
• OutPutPath -> the part of the original JSON payload to return after the step is completed
• ResultPath -> here you can define a node to store the output you create in the step.

Please note "output" node is visible in the step function logs and here in the doc, but you do not have it in the function input. It means { "output": "1.05" } will be just

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const 
AWS = require('aws-sdk'),
{ Readable } = require('readable-stream');

const s3 = new AWS.S3({
    region: 'ap-northeast-2'
});

s3SelectQuery = (query) => {
    return new Promise((resolve, reject) => {

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npm install -g @aws-amplify/cli

npm init private

amplify init

? Enter a name for the project tenant
? Enter a name for the environment develop
? Choose your default editor: Visual Studio Code