Automatically build and push Docker images to Docker Hub using GitHub Actions

According to  GitHub, GitHub Actions allows you to automate, customize, and execute your software development workflows right in your repository. You can discover, create, and share actions to perform any job you would like, including continuous integration (CI) and continuous deployment (CD), and combine actions in a completely customized workflow.

This brief post will examine a simple use case for GitHub Actions — automatically building and pushing a new Docker image to Docker Hub. A GitHub Actions workflow will be triggered every time a new Git tag is pushed to the GitHub project repository.

GitHub Project Repository

For the demonstration, we will be using the public  NLP Client microservice GitHub project repository. The NLP Client, written in Go, is part of five microservices that comprise the Natural Language Processing (NLP) API. I developed this API to demonstrate architectural principles and DevOps practices. The API’s microservices are designed to be run as a distributed system using container orchestration platforms such as Docker Swarm, Red Hat OpenShift, Amazon ECS, and Kubernetes.

Public NLP Client GitHub project repository

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