Reggy is a general-purpose regular expression generator that is exposed as a web application. Reggy assists you with the construction of regular expressions. The generator consists of three components, each for a different use case. Reggy generates regular expressions for a wide variety of programming languages and strives to generate regular expressions that are as efficient and concise as possible.

• Install Node.js version 8.x
• Install Angular CLI: sudo npm install -g @angular/cli
• Install all the dependencies from the project root directory: npm install
• Install graphviz: sudo apt-get install graphviz
• Install pip: sudo apt-get install -y python3-pip
• Install python graphviz package: sudo pip3 install graphviz

npm run dev: This will concurrently execute the Angular build, TypeScript compiler and Express server.

A window will automatically be opened at localhost:4200. Angular and Express files are being watched. Any change will automatically create a new bundle, restart the Express server and reload your browser.

The web app is deployed using Docker, thus docker ce needs to be installed on the system.

sudo apt-get install docker-ce

Change the working directory to the root directory of the project which contains the Dockerfile and run the following:

sudo docker build -f Dockerfile -t reggy:latest . --network=host

sudo docker run -p 49160:3000 -d reggy:latest

Install the Heroku CLI if it is not installed and then change the working directory to the root directory of the project.

heroku login

sudo heroku container:login

sudo heroku container:push web --app reggy

heroku container:release web --app reggy