CI/CD Pipeline Workflow Documentation

Overview

This document details the CI/CD pipeline workflow for automating the deployment of a Docker-based application. The workflow integrates GitHub Actions, Docker Hub, and Slack for monitoring. The final deployment is to a remote server hosted within a GPC Virtual Private Cloud (VPC).

Workflow Diagram

Step-by-Step Breakdown

Step-by-Step Breakdown

1. Local Development and Git Operations

   • Actions Performed:
     • git add: Stage changes to be committed.
     • git commit: Save changes locally with a descriptive message.
     • git push: Push code and Dockerfile to the remote GitHub repository.
   • Purpose: Ensures version control and prepares code for the CI/CD pipeline.

2. GitHub Actions Pipeline Execution

   • Trigger: A git push event initiates the GitHub Actions workflow.

   • Key Workflow Steps:

     1. Docker Build: The pipeline builds a Docker image using the Dockerfile.
     2. Docker Tag: Tags the image with a unique version identifier.
     3. Docker Login: Authenticates with Docker Hub.
     4. Docker Push: Pushes the tagged image to Docker Hub.

     

3. Slack Integration for Monitoring

   • Integration: Notifications are sent to Slack channels to monitor:

     • Pipeline start and end statuses.
     • Deployment progress and issues (if any).

   • Benefit: Provides real-time feedback to the development team.

     

4. Deployment to Remote Server

   • Workflow Steps:

     1. The server pulls the Docker image from Docker Hub.
     2. The container is run on the server.

   • Infrastructure:

     • The server resides in a VPC, which includes multiple subnets for scalability and security.

     

Troubleshooting