This document discusses deploying and scaling a cloud application using Amazon Lightsail. It describes what Lightsail is and when it should be used. It then walks through deploying a sample to-do list application on Lightsail in multiple phases: initially on a single instance, adding a database, scaling the web frontend, and ultimately migrating to Amazon RDS and EC2 for further scaling. It covers using Lightsail load balancers and databases and horizontally scaling the frontend using snapshots.

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Deploy and scale your first cloud
application with Amazon Lightsail
Mike Coleman
Developer advocate
Amazon Lightsail
C M P 2 0 2

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What you
will learn
What Amazon Lightsail is
When to choose Lightsail
Using Lightsail load balancers and databases
Deploying a multi-tier application on Lightsail
Horizontal scaling with snapshots
Vertical scaling with Amazon Elastic Compute Cloud
(Amazon EC2)

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Lightsail: Cloud made easy
Launch
• Get started in minutes
• Low, predictable pricing
Grow
• Easily scale your ideas
• Access other AWS services
Manage
• Intuitive global console
• Robust API and CLI

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When to choose Lightsail
• Small-scale multi-tier
applications
• Websites
• Web apps
• Testing environment
• Line-of-business software
• Large, multi-tier applications
• Workload-dependent instances
• Advanced networking
• Database read replicas

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The application:
Simple to-do list
PHP frontend
MySQL backend
Phase 1
Deploy app into a single Lightsail instance
Phase 2
Implement a Lightsail database
Phase 3
Scale web frontend
Phase 4
Move application to Amazon Relational
Database Service (Amazon RDS)/Amazon EC2

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Application architecture – Version 1
http

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Launch Script
cd /opt/bitnami/apache2/htdocs rm -rf *
git clone -b loft https://github.com/mikegcoleman/todo-php .
chown bitnami:daemon connectvalues.php
chmod 666 connectvalues.php
sed -i.bak "s/<password>/$(cat
/home/bitnami/bitnami_application_password)/;"
/opt/bitnami/apache2/htdocs/connectvalues.php
cat /home/bitnami/htdocs/data/init.sql |
/opt/bitnami/mysql/bin/mysql -u root -p$(cat
/home/bitnami/bitnami_application_password)

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Refining our application
Potential issues
Single point-of-failure
Responding to increasing demand
Database and web frontend tied closely together
Solution
Separate database and web frontend
Created multiple frontend instances
Add a Lightsail load balancer

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Lightsail databases
• Easy to create and manage MySQL
and Postgress databases
• Standard and high-availability
options
• Four instance sizes
• Public and private access
• Automated backups
• Fully managed

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Application architecture – Version 2
http

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Migrating data
mysqldump -u root
--databases tasks
--single-transaction
--compress
--order-by-primary
-p$(cat /home/bitnami/bitnami_application_password)
| mysql -u dbmasteruser
--port=3306
--host ls-
cdbd709673113be603fe2ec93a0f8aca08ca197c.cy1p9uiwyv6z.us-
east-2.rds.amazonaws.com
-ptaskstasks

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Horizontal scaling with snapshots
Frontend is stateless
Create Lightsail snapshot
Deploy multiple instances from snapshot
Create Lightsail load balancer
And frontend instances to load balancer

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Lightsail load balancers
Simplified Amazon load-balancer
implementation
Set up in a few clicks
Easy SSL certs
Handles http/https traffic
Balances across ports 80 and 443

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Application architecture – Version 3
http
Lightsailloadbalancer

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Upgrade to Amazon EC2
Move your data to
Amazon EC2
• Snapshot instance or disk
• Choose export to Amazon
EC2 from snapshot
Use Amazon Elastic Block
Store (Amazon EBS) to
rehydrate disk snapshots
Create a new instance in Amazon
EC2
• Or use Amazon EC2 export wizard
(simplified setup with preconfigured
VPC, etc.)
• Use Amazon EC2 creation wizard (all
configuration options available)

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Application architecture – Full AWS
http

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Migrating data
mysqldump -u dbmasteruser
--databases tasks
--single-transaction
--compress
--order-by-primary
-p$taskstasks
--set-gtid-purged=OFF
--host ls-
cdbd709673113be603fe2ec93a0f8aca08ca197c.cy1p9uiwyv6z.us-
east-2.rds.amazonaws.com
| mysql -u dbmasteruser
--port=3306
--host=tasks.c6csnjkl56ds.us-east-2.rds.amazonaws.com
-ptaskstasks

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Resources
https://github.com/mikegcoleman/todo-php
https://loft.lightsailworkshop.com

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Thank you!
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Mike Coleman
@mikegcoleman