Implementation of automated distribution through AWS product ECS to Fargate and CodePipeline

Notifications over Slack using through AWS product SNS and Chatbot

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What is AWS ?

Whether you're looking for compute power, database storage, content delivery, or other features with services operated by Amazon,

AWS has services to help you build sophisticated applications with increased flexibility, scalability, and reliability.

What is ECS ?

Amazon Elastic Container Service (Amazon ECS) is a fully managed container orchestration service.

Customers such as Duolingo, Samsung, GE, and Cook Pad use ECS to run their most sensitive and mission critical applications because of its security, reliability, and scalability.

Additionally, because ECS has been a foundational pillar for key Amazon services,

it can natively integrate with other services such as Amazon Route 53, Secrets Manager,

AWS Identity and Access Management (IAM), and Amazon CloudWatch providing you a familiar experience to deploy and scale your containers.

▾ Amazon ECS works

What is Fargate ?

AWS Fargate is a serverless compute engine for containers that works with both Amazon Elastic Container Service (ECS) and Amazon Elastic Kubernetes Service (EKS).

Fargate makes it easy for you to focus on building your applications.

Fargate removes the need to provision and manage servers, lets you specify and pay for resources per application, and improves security through application isolation by design.

▾ Amazon Fargate works

What is the difference Instance vs Fargate in ECS ?

• Instance

An ECS container instance is nothing more than an EC2 instance that runs the ECS Container Agent.

The downside is that you have to scale, monitor, patch, and secure the EC2 instances yourself.

• Fargate

AWS Fargate manages the task execution. No EC2 instances to manage anymore. You pay for running tasks

▾ Amazon ECS vs Faragte

What is CodePipeline ?

AWS CodePipeline is a fully managed continuous delivery service that helps you automate your release pipelines for fast and reliable application and infrastructure updates.

CodePipeline automates the build, test, and deploy phases of your release process every time there is a code change, based on the release model you define.

▾ Amazon CodePipeline works

Continuous Deployment with CodePipeline

Add a Build Specification File to Your Source Repository

CodeBuild to build your Docker image and push the image to Amazon ECR.

Add a buildspec.yml file to your source code repository to tell CodeBuild how to do that.

Developerguide

▾ buildspec.yml

version: 0.2

phases:
  install:
    runtime-versions:
      docker: 18
  pre_build:
    commands:
      - echo Logging in to Amazon ECR...
      - aws --version
      - $(aws ecr get-login --region $AWS_DEFAULT_REGION --no-include-email)
      - REPOSITORY_URI={ ECR_URI }
      - COMMIT_HASH=$(echo $CODEBUILD_RESOLVED_SOURCE_VERSION | cut -c 1-7)
      - IMAGE_TAG=${COMMIT_HASH:=latest}
  build:
    commands:
      - echo Build started on `date`
      - echo Building the Docker image...
      - docker build -t $REPOSITORY_URI:latest .
      - docker tag $REPOSITORY_URI:latest $REPOSITORY_URI:$IMAGE_TAG
  post_build:
    commands:
      - echo Build completed on `date`
      - echo Pushing the Docker images...
      - docker push $REPOSITORY_URI:latest
      - docker push $REPOSITORY_URI:$IMAGE_TAG
      - echo Writing image definitions file...
      - printf '[{"name":"{ ECS_SERVICE_CONTAINER }","imageUri":"%s"}]' $REPOSITORY_URI:$IMAGE_TAG > imagedefinitions.json
artifacts:
    files: imagedefinitions.json

Add a DockerFile to Your Source Repository

Create a dockerfile to run in codebuild.

Refernce

▾ Dockerfile

# Version node lts
FROM node:lts

# Dockerfile manager
LABEL maintainer="AGUMON <ljlm0402@gmail.com>"

# Copy Project
COPY . /aws-fargate-codepipeline-deploy

# Install npm latest
RUN npm install -g npm@latest

# Work to Project
WORKDIR /aws-fargate-codepipeline-deploy

# Install dependencies
RUN npm install

# Set environments port
ENV PORT=80

# Set process port
EXPOSE 80

# Start process
CMD ["npm", "start"]

What is SNS ?

Amazon Simple Notification Service (SNS) is a highly available, durable, secure, fully managed pub/sub messaging service that enables you to decouple microservices, distributed systems, and serverless applications.

Amazon SNS provides topics for high-throughput, push-based, many-to-many messaging.

▾ Amazon SNS works

What is Chatbot ?

AWS Chatbot is an interactive agent that makes it easy to monitor and interact with your AWS resources in your Slack channels and Amazon Chime chat rooms.

AWS Chatbot is currently in beta.

▾ Amazon Chatbot Notifications

▾ Amazon Chatbot Commands

Usage charge for this month in Fargate

Region: Asia Pacific (Seoul)

0.25vCPU 0.5GB

per vCPU per hour $0.04656 / per GB per hour $0.00511

▾ Amazon Billing Management