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/
src/index.ts
src/swagger.ts
serverless.yml
package.json
$ npm install @nestjs/cli serverless -g
$ git clone git@github.com:rdlabo/serverless-nestjs.git 【projectName】
$ cd 【projectName】
$ npm install
$ npm start
$ npm start
$ npm start
> serverless-nestjs@0.0.0 start /Users/sakakibara/dev/serverless-nestjs
> nest start
[Nest] 3905 - 11/29/2019, 4:40:49 PM [NestFactory] Starting Nest application...
[Nest] 3905 - 11/29/2019, 4:40:49 PM [InstanceLoader] AppModule dependencies initialized +20ms
[Nest] 3905 - 11/29/2019, 4:40:49 PM [RoutesResolver] AppController {/}: +6ms
[Nest] 3905 - 11/29/2019, 4:40:49 PM [RouterExplorer] Mapped {/, GET} route +3ms
[Nest] 3905 - 11/29/2019, 4:40:49 PM [NestApplication] Nest application successfully started +4ms
Then browse http://localhost:3000
after also doing an: npm run build
$ 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
$ npm run build && sls deploy
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
$ npx 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.