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serverless.ts
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serverless.ts
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import type { AWS } from '@serverless/typescript';
const serverlessConfiguration: AWS = {
service: 'websocket-chat',
frameworkVersion: '3',
plugins: ['serverless-esbuild'],
provider: {
name: 'aws',
runtime: 'nodejs14.x',
region: 'us-east-1',
stage: 'dev',
apiGateway: {
minimumCompressionSize: 1024,
shouldStartNameWithService: true,
},
environment: {
AWS_NODEJS_CONNECTION_REUSE_ENABLED: '1',
NODE_OPTIONS: '--enable-source-maps --stack-trace-limit=1000',
},
iam: {
role: {
statements: [
{
Effect: 'Allow',
Action: [
'dynamodb:PutItem',
'dynamodb:GetItem',
'dynamodb:DeleteItem',
'dynamodb:Scan',
],
Resource: {
'Fn::Sub': [
'arn:aws:dynamodb:${region}:*:table/ConnectionIds',
{
region: '${aws:region}',
},
],
},
},
],
},
},
},
functions: {
connect: {
handler: 'src/functions/hello/handler.connect',
events: [
{
websocket: {
route: '$connect',
},
},
],
},
disconnect: {
handler: 'src/functions/hello/handler.disconnect',
events: [
{
websocket: {
route: '$disconnect',
},
},
],
},
message: {
handler: 'src/functions/hello/handler.message',
events: [
{
websocket: {
route: 'message',
},
},
],
},
},
package: { individually: true },
custom: {
esbuild: {
bundle: true,
minify: false,
sourcemap: true,
exclude: ['aws-sdk'],
target: 'node14',
define: { 'require.resolve': undefined },
platform: 'node',
concurrency: 10,
},
},
};
module.exports = serverlessConfiguration;