Shell script to package and deploy a serverless app using AWS::Serverless transform

deploy-sam.sh

#!/usr/bin/env bash

set -e

STACK_TAGS="team=team environment=prod"

aws cloudformation deploy \
    --template-file cf-templates/resources.yaml \
    --stack-name mystack-prod-resources \
    --capabilities CAPABILITY_IAM \
    --tags "$STACK_TAGS" \
    --no-fail-on-empty-changeset

LAMBDA_BUCKET=$(aws cloudformation list-exports --query "Exports[?Name==\`mystack-prod-resources-lambda-bucket-name\`].Value" --output text)

aws cloudformation package \
    --template-file cf-templates/sam.yaml \
    --s3-bucket $LAMBDA_BUCKET \
    --output-template-file sam-new.yaml

aws cloudformation deploy \
    --template-file sam-new.yaml \
    --stack-name mystack-prod-service \
    --s3-bucket $LAMBDA_BUCKET \
    --capabilities CAPABILITY_IAM \
    --tags "$STACK_TAGS" \
    --no-fail-on-empty-changeset \
    --parameter-overrides ""