Udagram

An Image Filtering application, allows users to register and log into a web client, post photos to the feed, and process photos using an image filtering service. It has two components:

1. Frontend - Angular web application built with Ionic framework
2. Backend RESTful API - Node-Typescript application

Url to access the application

http://udagram-prod-roopan.s3-website-us-east-1.amazonaws.com

Demo Credentials

username: [email protected] password: password

Screenshot of the hosted Application

Installation

Provision the necessary AWS services needed for running the application:

1. In AWS, provision a publicly available RDS database running Postgres.
2. In AWS, provision a s3 bucket for hosting the uploaded files.
3. Export the ENV variables needed or use a package like dotnev. udagram-api requires following env values.

POSTGRES_USERNAME=<username for the postgres db>
POSTGRES_PASSWORD=<password for the postgres db>
POSTGRES_DB=<postgres db name>
PORT=<port to host the backend application>
POSTGRES_HOST=<url of the hosted postgres>
AWS_ACCESS_KEY_ID=<AWS access key id>
AWS_SECRET_ACCESS_KEY=<AWS access key id>
AWS_BUCKET=<bucket name to host>
URL=<Url of the front end application>
JWT_SECRET=<secret for hashing the passwords>

1. From the root of the repo, navigate udagram-api folder cd udagram/udagram-api to install the node_modules npm install. After installation is done start the api in dev mode with npm run dev.
2. Without closing the terminal in step 1, navigate to the udagram-frontend cd udagram/udagram-frontend to intall the node_modules npm install. After installation is done start the api in dev mode with npm run start.

Testing

Follow these steps to run the unit test cases in front end.

1. cd udagram/udagram-frontend
2. npm run test

There are no Unit test on the back-end

Unit Tests:

Unit tests are using the Jasmine Framework.

Built With

• Angular - Single Page Application Framework
• Node - Javascript Runtime
• Express - Javascript API Framework