serverless-nestjs
This is an example of creating a function that runs as nestjs using the serverless framework. Sample publish. https://mmjdx4zxmc.execute-api.ap-northeast-1.amazonaws.com/dev/
What is changed.
add
src/index.tssrc/swagger.tsserverless.yml
change
package.json
How to use
Prepare
$ npm install serverless -g
$ git clone [email protected]:rdlabo/serverless-nestjs.git 【projectName】
$ cd 【projectName】
Development
$ sls offline$ sls offline
Serverless: Starting Offline: dev/us-east-1.
Serverless: Routes for index:
Serverless: ANY /
Serverless: ANY /{proxy*}
Serverless: Offline listening on http://localhost:3000
Then browse http://localhost:3000
The logs should be :
Serverless: ANY / (λ: index)
[Nest] 5280 - 2019-03-24 14:44 [NestFactory] Starting Nest application...
[Nest] 5280 - 2019-03-24 14:44 [InstanceLoader] AppModule dependencies initialized +11ms
[Nest] 5280 - 2019-03-24 14:44 [RoutesResolver] AppController {/}: +5ms
[Nest] 5280 - 2019-03-24 14:44 [RouterExplorer] Mapped {/, GET} route +2ms
[Nest] 5280 - 2019-03-24 14:44 [NestApplication] Nest application successfully started +1ms
How to Deploy
$ npm run prestart:prod && sls deployOptions
Hot start
See : https://serverless.com/blog/keep-your-lambdas-warm/
These behavior can be fixed with the plugin serverless-plugin-warmup
1 Install the plugin
$ npm install serverless-plugin-warmup --save-dev
2 Enable the plugin
plugins:
- '@hewmen/serverless-plugin-typescript'
- serverless-plugin-optimize
- serverless-offline
- serverless-plugin-warmup
custom:
# Enable warmup on all functions (only for production and staging)
warmup:
- production
- staging
Use Swagger for development
$ ts-node src/swagger.ts
[Nest] 6890 - 2019-03-24 15:11 [NestFactory] Starting Nest application...
[Nest] 6890 - 2019-03-24 15:11 [InstanceLoader] AppModule dependencies initialized +11ms
[Nest] 6890 - 2019-03-24 15:11 [RoutesResolver] AppController {/}: +224ms
[Nest] 6890 - 2019-03-24 15:11 [RouterExplorer] Mapped {/, GET} route +2ms
[Nest] 6890 - 2019-03-24 15:11 [NestApplication] Nest application successfully started +2ms
Then browse http://localhost:3001/api
This function is for development. If you want to use production, change package.json dependencies and serverless.yml.
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