#Devops

Databases

• Relational DB
  • RDS
• Non-relational DB
  • DynamoDB

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Amazon VPC

• Amazon Virtual Private Cloud
• A VPC is an isolated portion of the AWS Cloud
• i.e define and launch AWS resources in a logically isolated virtual network

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Elastic Load Balancing

• Elastic Load Balancing automatically distributes your incoming traffic across multiple targets
• Such as EC2 instances, containers, and IP addresses, in one or more Availability Zones.
• EC2 > Load Balancing

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Process and Migrate Data Kinesis Collect, process, and analyze data streams in real time. Features K data Stream Real-time data capture –> Collect streaming data with a data stream K Data Firehose Process and deliver streaming data with data delivery stream. Load streaming data into data lakes, data stores, and analytics tools for: K Data Analytics Get insights in real time –> Analyze streaming data with data analytics application. [Read More]

Application Integration on AWS

It is a suite of services that enable communication between decoupled components within microservices, distributed systems, and serverless applications.

• Messaging
  • Amazon Simple Notification Service (SNS)
  • Amazon Simple Queue Service (SQS)
  • Amazon MQ - AWS version of RabbitMQ

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AWS Serverless AWS Lambda Run functions on demand without the server. AWS Lambda is a serverless computing service provided by AWS that lets you run code without provisioning or managing servers. We don’t need to worry about which AWS resources to launch, or how will they manage them. The Lambda functions can perform any kind of computing task, from serving web pages and processing streams of data to calling APIs and integrating with other AWS services. [Read More]

Docker

Docker is an open-source project based on Linux containers for developing, shipping, and running applications.

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Docker

2.1 Docker installation

# Check docker
docker version
sudo docker run hello-world

• On Linux
  • Docker client, Docker daemon and Container runs on the same Host
• On Window or MacOSX
  • Docker daemon cannot be run directly on Non-Linux platform natively because it user Linux specific Kernel feature
  • Need to run inside Docker-Machine
    • Install Docker Desktop

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Create Docker Image

• Docker can be created
  • Container
  • Dockerfile

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Docker-Compose

• DC makes it easier to configure and run applications made up of multiple containers
• DC is a very handy tool to quickly get docker environment up and running.
• It uses yaml files to store the configuration of all the containers
• We can create some containers like: web app, postgres and redis
  • and can establish an internal connection

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