brew install awscli awscurl awslogs httpie serverless
sls create --template aws-nodejs-typescript
git clone https://github.com/josoroma/sls-challenge-ts.git
cd sls-challenge-ts
npm install
sls dynamodb install
Emulate AWS λ, API Gateway and DynamoDB on your local machine with:
sls offline start --stage dev
sls --help
sls offline --help
http http://localhost:3000/dev/posts
Response:
HTTP/1.1 200 OK
Connection: keep-alive
Date: Fri, 11 Sep 2020 05:01:29 GMT
Transfer-Encoding: chunked
access-control-allow-credentials: true
access-control-allow-origin: *
cache-control: no-cache
content-encoding: gzip
content-type: application/json; charset=utf-8
vary: accept-encoding
{
"debug": {
"apiGatewayId": "ckexrwlra00011813ejci0xad",
"country": "",
"endpoint": "offlineContext_domainName",
"lambdaRequestId": "ckexrwlrb000218132sof9aaf",
"logGroupName": "offline_logGroupName_for_sls-challenge-ts-dev-JobGet",
"logStreamName": "offline_logStreamName_for_sls-challenge-ts-dev-JobGet",
"requestBody": "",
"requestMethod": "GET"
},
"responseCreatedAtIndex": [
{
"createdAt": "1599718357157",
"jobId": "02",
"title": "Job 02",
"userId": "02"
},
{
"createdAt": "1599718357157",
"jobId": "04",
"title": "Job 04",
"userId": "02"
}
],
"responseJobIndex": {
"body": "<strong>Job Description 01</strong>",
"createdAt": "1599718357157",
"jobId": "01",
"title": "Job 01",
"updatedAt": "1599718357157",
"userId": "01"
},
"responseTitleIndex": [
{
"body": "<strong>Job Description 01</strong>",
"createdAt": "1599718357157",
"jobId": "01",
"title": "Job 01",
"updatedAt": "1599718357157",
"userId": "01"
},
{
"body": "<strong>Job Description 03</strong>",
"createdAt": "1599718357157",
"jobId": "03",
"title": "Job 03",
"updatedAt": "1599718357157",
"userId": "01"
},
{
"body": "<strong>Job Description 05</strong>",
"createdAt": "1599718357157",
"jobId": "05",
"title": "Job 05",
"updatedAt": "1599718357157",
"userId": "01"
}
],
"responseUpdatedAtIndex": [
{
"jobId": "04",
"title": "Job 04",
"updatedAt": "1599718357157",
"userId": "02"
},
{
"jobId": "02",
"title": "Job 02",
"updatedAt": "1599718357157",
"userId": "02"
}
]
}
import * as AWS from "aws-sdk";
import * as dynamoose from "dynamoose";
import { lambdas } from "micro-aws-lambda";
// Middlewares
import { removeFieldsFromResponse } from "../libs/middlewares";
// Models
import { JobModel, JobModelTitleIndex } from "../models/job";
// AWS Config
AWS.config.update({
region: "localhost",
accessKeyId: "H499Y",
secretAccessKey: "H4CkiNg",
});
// For the sake of the offline demo: `serverless offline start --stage dev`
dynamoose.aws.ddb.local();
export const main = lambdas(
[
async () => {
const responseJobIndex = await JobModel.get({
userId: "01",
jobId: "01",
});
const responseTitleIndex = await JobModelTitleIndex.query({
title: { contains: "Job" },
userId: "01",
})
.sort("ascending")
.exec();
const responseCreatedAtIndex = await JobModel.query({
userId: "02",
})
.sort("descending")
.using("CreatedAtIndex")
.exec();
const responseUpdatedAtIndex = await JobModel.query({
userId: "02",
})
.sort("ascending")
.using("UpdatedAtIndex")
.exec();
return {
responseJobIndex,
responseTitleIndex,
responseCreatedAtIndex,
responseUpdatedAtIndex,
};
},
removeFieldsFromResponse(["password"]),
],
{
addTraceInfoToResponse: true,
logRequestInfo: true,
}
);
import * as dynamoose from "dynamoose";
const schemaJobRangeKey = new dynamoose.Schema({
userId: String,
jobId: { type: String, rangeKey: true },
title: String,
body: String,
createdAt: String,
updatedAt: String,
});
const schemaTitleRangeKey = new dynamoose.Schema({
userId: String,
jobId: String,
title: { type: String, rangeKey: true },
body: String,
createdAt: String,
updatedAt: String,
});
export const JobModel = dynamoose.model("Job", schemaJobRangeKey);
export const JobModelTitleIndex = dynamoose.model("Job", schemaTitleRangeKey);
import { Middleware } from "micro-aws-lambda";
export const removeFieldsFromResponse = (
fieldsToRemove: string[]
): Middleware => ({ response }) => {
const newResponse = Object.assign({}, response);
fieldsToRemove.forEach((field) => {
if (newResponse[field] != null) {
delete newResponse[field];
}
});
return newResponse;
};
Resources: {
CoursesTable: {
Type: "AWS::DynamoDB::Table",
Properties: {
TableName: "Job",
AttributeDefinitions: [
{
AttributeName: "jobId",
AttributeType: "S",
},
{
AttributeName: "userId",
AttributeType: "S",
},
{
AttributeName: "title",
AttributeType: "S",
},
{
AttributeName: "createdAt",
AttributeType: "S",
},
{
AttributeName: "updatedAt",
AttributeType: "S",
},
],
KeySchema: [
{
AttributeName: "userId",
KeyType: "HASH",
},
{
AttributeName: "jobId",
KeyType: "RANGE",
},
],
GlobalSecondaryIndexes: [
{
IndexName: "TitleIndex",
KeySchema: [
{
AttributeName: "userId",
KeyType: "HASH",
},
{
AttributeName: "title",
KeyType: "RANGE",
},
],
Projection: {
ProjectionType: "INCLUDE",
NonKeyAttributes: ["createdAt", "updatedAt"],
},
},
],
LocalSecondaryIndexes: [
{
IndexName: "CreatedAtIndex",
KeySchema: [
{
AttributeName: "userId",
KeyType: "HASH",
},
{
AttributeName: "createdAt",
KeyType: "RANGE",
},
],
Projection: {
ProjectionType: "INCLUDE",
NonKeyAttributes: ["title"],
},
},
{
IndexName: "UpdatedAtIndex",
KeySchema: [
{
AttributeName: "userId",
KeyType: "HASH",
},
{
AttributeName: "updatedAt",
KeyType: "RANGE",
},
],
Projection: {
ProjectionType: "INCLUDE",
NonKeyAttributes: ["title"],
},
},
],
BillingMode: "PAY_PER_REQUEST",
},
},
}
[
{
"jobId": "01",
"userId": "01",
"createdAt": "1599718357157",
"updatedAt": "1599718357157",
"title": "Job 01",
"body": "<strong>Job Description 01</strong>"
},
{
"jobId": "02",
"userId": "02",
"createdAt": "1599718357157",
"updatedAt": "1599718357157",
"title": "Job 02",
"body": "<strong>Job Description 02</strong>"
},
{
"jobId": "03",
"userId": "01",
"createdAt": "1599718357157",
"updatedAt": "1599718357157",
"title": "Job 03",
"body": "<strong>Job Description 03</strong>"
},
{
"jobId": "04",
"userId": "02",
"createdAt": "1599718357157",
"updatedAt": "1599718357157",
"title": "Job 04",
"body": "<strong>Job Description 04</strong>"
},
{
"jobId": "05",
"userId": "01",
"createdAt": "1599718357157",
"updatedAt": "1599718357157",
"title": "Job 05",
"body": "<strong>Job Description 05</strong>"
}
]
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