Generalized Templates

Parameters:

General

• CertificateARN
  • If you want to set a HTTPS protocol, you can add this Certificate and change the elb and the master template.
• StackEnv
  • Environment name you are going to deploy (if needed)
    • qa
    • prod
• ImageTag
  • With this parameter we will look for the image in the task definition

Cluster configuration

• InstanceType
  • Instance type ECS cluster w ill build on.
• MinSize
  • Minimum number of EC
• DesiredSize
  • Number of instance EC2 on the auto scaling group and can't be less than min size
• MinSize
  • Minimum number of EC2 instances on the auto scaling group
• MaxSize
  • Maximum number of EC2 instance on the auto scaling group
• KeyPair
  • Key for EC2 instances.

Database configuration

• DBMasterUsername
  • Name of the master user in the new database that will be created
• DBMasterUserPassword
  • Password of the master user in the database
• DBInstanceClass
  • Type of the compute an capacity classes of the database, usually db.t2.micro
• DBEngine
  • Database engine that the database instance will use
    • MySQL (default)
    • Postgress
• DBName
  • Name of the database instance provided at the time of the creation
• DBInstanceIdentifier
  • Name of the database
• DBAllocatedStorage
  • Allocated storage size for the data base instance in GB
    • Default: 100Gb

Cache configuration

• CacheNodeType
  • The compute and memory capacity of nodes in the cache cluster
• CacheEngine
  • The engine of the elastic cache instance
• CacheClusterName
  • Name for the cluster cache
• CacheNumCacheNodes
  • Size of the cache nodes in the cluster.

Generalized Stacks

1. VPC Template
   • This template creates a VPC with four subnets:
     • 2 public and 2 private.
2. Security Group Template
   • Creates two Security groups, one accepts public network traffic and the other accepts only the public security group traffic
3. Elastic LoadBalancer V2 Template
   • This template creates and Elastic Load Balancing Applicaion with a listener and a default target group to set up later
4. ECS Cluster Template
   • This template creates:
     • ECS Cluster
     • Auto Scaling group
     • Sacle Up policy
     • Scale Down policy
     • CloudWatch Memory Alarm Up/Down
     • CloudWatch CPU Alarm Up/Down
     • Launch Configuration
     • Role for ECS
     • Instance profile
5. RDS instance Template
   • This template creates a subnet group and a database instance.
6. Elastic Cache Cluster Template
   • This template creates a subnet group and a cluster of cache.
7. Client Service Template
   • This templates creates :
     • Auto scaling for the ECS service
     • Scaling policy for the ECS service
     • CloudWatch Alarm of HTTP errors 500
     • ECS Service
     • Task Definition using a ECR images
     • CloudWatch Log group
     • Target group
     • Rule for the listener in the ELB V2
     • Role for service instance
     • Role for auto scaling