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Fragments

Fragments - Cloud Computing project from Cloud Computing course at Seneca College.

Medium Article about this project: https://medium.com/@andreibatomunkuev/cloud-computing-79f47c4463fa

Docker Hub repository: https://hub.docker.com/repository/docker/abatomunkuev1/fragments

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Contents of the page

Task

Develop a new highly-scalable microservice which will help automate the processes of internal systems:

  • Collect reports from IoT devices in different text formats (plain-text, csv, json)
  • Collect reports from mobile devices in different formats (plain-text, json, markdown, HTML)
  • Collect image files from device cameras.

System Design

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Tech Stack

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Technologies, Services Description
Node JS Open-source, back-end JavaScript environment
Amazon Web Services (AWS) Amazon Cloud Platform that provides on-demand delivery of IT resources over the Internet
Amazon Cognito Web Services product that controls user authentication and access for mobile applications on internet-connected devices.
Amazon Elastic Compute Cloud EC2 Amazon EC2
Amazon Elastic Container Registry Amazon Elastic Container Registry - fully managed Docker container registry
Amazon Elastic Container Service Amazon Elastic Container Service - fully managed container orchestration service that makes it easy to deploy, manage, and scale containerized applications
Amazon Fargate Fargate - serverless, pay-as-you-go compute engine that lets you focus on building applications without managing servers.
Amazon S3 Amazon S3 - is an object storage service offering industry-leading scalability, data availability, security, and performance.
Amazon DynamoDB Amazon DynamoDB - is a fully managed, serverless, key-value NoSQL database designed to run high-performance applications at any scale.
Docker Docker is an open platform for developing, shipping, and running applications. See Docker Overview
Docker Hub Docker Hub - Docker Container Registry

Development

Local Development

  • Install the project dependencies
npm install
Script How to run
Linter npm run lint
Start the server npm start
Start the server in development mode npm run dev
Start the server in debug mode npm run debug
Run unit-tests npm test
Run integration tests npm run test:integration
Run script to create mock S3 Bucket and DynamoDB table ./scripts/local-aws-setup.sh
Run script to create mock DynamoDB table (MinIO) ./scripts/local-aws-minio-setup.sh

Docker Containers

  • Pull an image from Docker Hub
docker pull abatomunkuev1/fragments
  • Build the Docker Image.
docker build -t fragments:latest .
  • Run the container with environment variables, specifying port 8080
docker run --rm --name fragments --env-file .env -p 8080:8080 fragments:latest
  • Run the container using Basic Auth instead of AWS Cognito
docker run --rm --name fragments --env-file env.jest -p 8080:8080 fragments:latest
  • Run the container; override environment variable
docker run --rm --name fragments --env-file env.jest -e LOG_LEVEL=debug -p 8080:8080 fragments:latest
  • Detaching the container (run the container in the background)
docker run --rm --name fragments --env-file env.jest -e LOG_LEVEL=debug -p 8080:8080 -d fragments:latest
  • See the logs (replace with id generated by docker)
docker logs <id>
  • Docker follow the logs (keep printing them as they happen)
docker logs -f <id>
  • Build the image targeting the platform (Mac OS M1 Chip)
docker buildx build -t abatomunkuev1/fragments:latest --platform=linux/amd64 .
  • Build and run multiple services using docker-compose
docker-compose up
  • Run service(s) in the background using -d
docker-compose up -d
  • Stop services
docker-compose down
  • Run specific services instead of running all
docker-compose up dynamodb-local localstack
  • Restart specific container without touching other containers
docker-compose up --build --no-deps -d fragments
  • Start docker-compose for local development (MinIO)
docker-compose -f docker-compose.local.yml up -d

Log

  • 05 Sep 2022 - Started the project, configured package.json, prettier, eslint
  • 07 Sep 2022 - Added logger, nodemon, startup scripts
  • 08 Sep 2022 - Added VSCode debug launch, updated README
  • 13 Sep 2022 - Created repo for Fragments UI Web Application - https://github.com/abatomunkuev/fragments-ui
  • 13 Sep 2022 - Added dotenv, passport.js, aws-jwt-verify packages.
  • 13 Sep 2022 - Updated project structure, added routes, authorization and authentication code, configured .env,
  • 13 Sep 2022 - Connected to AWS Cognito service
  • 21 Sep 2022 - Added CI GitHub Actions workflow - ESlint
  • 30 Sep 2022 - Created and configured EC2 instance. Installed and ran Microservice (Fragments API) on EC2.
  • 04 Oct 2022 - Added In-Memory Database Backend. Implemented database related calls and wrote unit-tests for each call.
  • 05 Oct 2022 - Implemented Fragment class to use Data Model and In-Memory Database and wrote unit-tests
  • 06 Oct 2022 - Added POST /fragments route with unit-tests using Fragment class
  • 06 Oct 2022 - Modified GET /fragments route, added unit-tests. Implemented GET /fragments/:id route with unit-tests
  • 06 Oct 2022 - Secured user login (email) via hashing, added unit-tests. Added custom middleware to hash user's email address
  • 06 Oct 2022 - Added logs
  • 16 Oct 2022 - Dockerized the project. Added Dockerfile.
  • 23 Oct 2022 - Optimized Dockerfile. Modified GET /fragments route - now it accepts query parameter expand to get expanded fragments metadata. Added unit-tests.
  • 06 Nov 2022 - Added Linting Dockerfiles job in CI workflow: hadolint tool that parses a Dockerfile and checks it against set of rules
  • 06 Nov 2022 - Added Automatic Build and Push to Dockehub job in CI workflow: the job builds the image and pushes it to the Docker registry (DockerHub). Added secrets in GitHub.
  • 06 Nov 2022 - Added a CD Workflow in GitHub Actions. Push the new image to private container repository. Created Amazon Elastic Container Registry private repository.
  • 10 Nov 2022 - Modified POST /fragments route, added support for any text/* format (text/html, text/markdown) and application/json. Modified and added unit-tests. Modified formats method that returns list of supported format to convert the Fragment.
  • 10 Nov 2022 - Added GET /fragments/:id/info route with unit-tests. GET /fragments/:id/info returns the Fragment's metadata for the given id
  • 12 Nov 2022 - Added GET /fragments/:id.ext support with unit-tests. GET /fragments/:id.ext returns the Fragment's data converted to a supported type
  • 20 Nov 2022 - Added integration tests using a tool Hurl.
  • 20 Nov 2022 - Added docker-compose to create complex testing environments, and use it to mock AWS services in local development. Offline solutions used: LocalStack, DynamoDB Local
  • 27 Nov 2022 - Added Amazon ECS - fully managed container orchestration service. Added CD Workflow in GitHub Actions. Auto-deployment to Amazon ECS (deploy image, run and manage containers, monitor containers, scale containers, manage compute resources)
  • 27 Nov 2022 - Added AWS S3. Created S3 Bucket. Connected project using Amazon S3 SDK. Microservice supports adding, reading, and deleting raw data to S3 storage.
  • 27 Nov 2022 - Added DELETE route to delete fragment: metadata and raw data from S3. Added integration tests to test S3 connection with our Microservice: writing, reading, and deleting fragments data using Hurl.
  • 27 Nov 2022 - Added MinIO - an S3-compatible object store that can be run as a Docker container locally. It's a useful tool for development, or creating private-cloud applications that need S3 object storage.
  • 04 Dec 2022 - Added Amazon DynamoDB - is a fully managed, serverless, key-value NoSQL database designed to run high-performance applications at any scale. Added integration tests to test DynamoDB connection with our Microservice: writing, reading, and deleting fragments metadata using Hurl.
  • 04 Dec 2022 - Created table in Amazon DynamoDB
  • 04 Dec 2022 - Added Integration Tests job in CI Workflow.
  • 05 Dec 2022 - Updated docker-compose.local.yml for local development: Local S3 MinIO and DynamoDB Local. Added script that initializes fragments table in DynamoDB Local.
  • 07 Dec 2022 - Added POST image support. User can create any supported image/, text/, application/json fragments.
  • 07 Dec 2022 - Added image conversion of all fragment types (text/*, application/json, image/*) using sharp library
  • 07 Dec 2022 - Modified Dockerfile. Sharp is manually installed due to issues with alpine image versions.
  • 09 Dec 2022 - Added PUT /fragments/:id route. PUT /fragments/:id updates (i.e., replaces) the data for their existing fragment with the specified id.
  • 11 Dec 2022 - Added and update Unit Tests: DELETE and PUT route. Added Integration Tests: PUT, GET by id, GET converted data

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Cloud Computing project: Fragments Microservice

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