The Valicard project is a robust web application designed to validate credit card information efficiently. Utilizing Docker, it offers a seamless deployment experience while adhering to clean code and architecture principles for maintainability and scalability.

• Validate credit card numbers using the Luhn algorithm.
• Verify expiration dates to ensure validity.
• Docker integration for simplified deployment and enhanced isolation.

• Docker
• Go (if running without Docker)

Begin by cloning the repository to your local machine:

git clone https://github.com/danyaobertan/validcard.git

cd valicard

Take advantage of the Makefile to streamline operations:

make help

Output:

Usage:
  make install       - Install all dependencies.
  make run           - Run the application.
  make build         - Build the executable binary.
  make test          - Run tests.
  make lint          - Run linter.
  make clean         - Clean the binary.
  make docker-build  - Build the Docker image.
  make docker-run    - Run the Docker container.
  make docker-stop   - Stop and remove the Docker container.
  make docker-clean  - Remove Docker image.
  make docker-compose- Run the Docker container using docker-compose.
  make help          - Show this help message.

The Luhn algorithm validates credit card numbers, implemented in pkg/lunn.go. It has been rigorously tested on 10,000 credit card numbers generated via https://www.validcreditcardnumber.com.

The project employs a robust CI/CD pipeline using GitHub Actions, triggered on every push to the main branch.

Extensive testing ensure the code's correctness. Execute tests with:

make test

Utilize golangci-lint was used to enforce best practices:

make lint

The project incorporates Swagger for API documentation. Alternatively, you can use some of requests in the requests.http file.