serverless-sam

by sapessi

sapessi /serverless-sam

Serverless framework plugin to export AWS SAM templates for a service

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Serverless SAM Build Status

Serverless-sam is a plugin for the Serverless framework that makes it easy to create Serverless Application Model (SAM) templates from an application. The plugin adds the

sam
command to the serverless cli.

Installation

From your Serverless application directory, use

npm
to install the plugin:
$ npm install --save-dev serverless-sam

Once you have installed the plugin, add it to your

serverless.yml
file in the
plugins
sections.
service: my-serverless-service

plugins:

  • serverless-sam

frameworkVersion: ">=1.1.0 <2.0.0" ...

Usage

Use the

sam export
command to generate a SAM definition from your service. Use the
--output
or
-o
option to set the name for the SAM template file.
$ serverless sam export --output ./sam-template.yml

Once you have exported the template, you can follow the standard procedure with the AWS CLI to deploy the service. First, the package command reads the generated templates, uploads the packaged functions to an S3 bucket for deployment, and generates an output template with the S3 links to the function packages.

$ aws cloudformation package \
    --template-file /path_to_template/template.yaml \
    --s3-bucket bucket-name \
    --output-template-file packaged-template.yaml

The next step is to deploy the output template from the

package
command:
$ aws cloudformation deploy \
    --template-file /path_to_template/packaged-template.yaml \
    --stack-name my-new-stack \
    --capabilities CAPABILITY_IAM

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