This article shows you how to set up a fully-automated CI/CD pipeline for your AWS SAM application.

Step 1 — Create SAM App

Create a SAM application as described here. Push this code to a CodeCommit repo.

Step 2 — Add Build Spec

Add the following to the root directory of the Git repo in a new file named buildspec.yml:

version: 0.2
phases:
  install:
    runtime-versions:
      nodejs: 12
    commands:
    - npm install
    - aws cloudformation package --template-file template.yaml --s3-bucket my-s3-bucket --output-template-file cft.yaml
artifacts:
  type: zip
  files:
  - cft.yaml
  discard-paths: yes

Step 3 — Create Pipeline

Create a CodePipeline as shown below:

Now, whenever you push code to the repo, it’ll get auto-deployed to Lambda!