General

Question 1

SAM
Server Application Model

what is it
what language
capabilities

Answer 1

Framework for develop and deploy serverless applications

All is in YAML CODE; its actually Cloudformation Code
From Simple YAML we generate complex cloudformation code

Can support Cloudformation:
Output, mapping, parameters, resources

Two commands to deploy

Capabilities:
Use codedeploy to deploy lambda functions
Run lambda, api gateway, dynamodb locally.

Question 2

SAM
Server Application Model

anatomy

Answer 2

Code looks like the following

1. Transform header
   transform: ‘aws::serverless-2016-10-31’
2. write code
   aws: :serverless:function

Question 3

ApplicationStop

Answer 3

1
Stop application, remove current packages in prep of deployment and/or gracefully stop app

APPSEC and scripts are used for this, from last successful revision

Question 4

DownloadBundle

Answer 4

2

Agent copies revision files to a temp location, RESERVED for AGENT, dont run user scripts

Question 5

before install

Answer 5

3

Decrypt files, create a backup

Question 6

install

Answer 6

4

temp files are copied to destination folder, RESERVED for agent, NO SCRIPTS FROM USER

Question 7

AFTERINSTALL

Answer 7

5
Deployment of tasks
CHANGE FILE PERMISSIONS
CONFIGURE APP

Question 8

application start

Answer 8

6

RESTART SERVICES THAT WERE STOPPED

Question 9

validate service

Answer 9

Verify deployment.