This document provides a detailed step-by-step guide on how to deploy the gitlab-org/gitlab-discussions project in a production environment. The information below is pertinent to experienced developers looking to execute production deployments for this project.

Prerequisites

Before launching the deployment process, ensure the following prerequisites are met:

  1. Access to Production Environment: Ensure that you have the necessary permissions to deploy code to the production environment.

  2. Deployment Tools: Familiarity with deployment tools and scripts used in the project.

  3. Configuration Settings: All environment variables and configuration settings must be prepared prior to deployment.

Deployment Steps

Step 1: Prepare the Production Environment

Ensure that the production environment is properly configured and all required services are running. This includes databases, caches, and any other dependencies that the application relies on.

Example Code:

# Check the status of essential services
docker-compose ps

Step 2: Pull Latest Code Changes

Before deploying, ensure that you have the latest version of the codebase. This can be done by pulling the latest changes from the repository.

Example Code:

# Navigate to the project directory
cd /path/to/gitlab-discussions

# Pull the latest code from the main branch
git pull origin main

Step 3: Build the Application

Once the latest code has been pulled, the next step is to build the application. The build process may include compiling assets and preparing the application for production.

Example Code:

# Install dependencies and build assets
npm install
npm run build

Step 4: Configure the Application

Configuration for the production environment should be loaded from the appropriate configuration files. Ensure that all environment variables are set according to production settings.

Example Code:

# Export environment variables
export NODE_ENV=production
export DATABASE_URL=your_production_db_url
# Add other necessary configurations here

Step 5: Run Database Migrations

If there are any pending database migrations, they should be executed to ensure that the database schema is up-to-date.

Example Code:

# Run database migrations
npm run migrate

Step 6: Deploy the Application

With the application built and configured, deploy it to the production server. This can involve starting services or containers as defined in your deployment scripts.

Example Code:

# Start the application using Docker
docker-compose up -d --build

Step 7: Verify Deployment

Once the application is deployed, verify that it is functioning as expected. Check logs and health endpoints to ensure everything is operational.

Example Code:

# Check logs for any errors
docker-compose logs -f

# Check if the application is running
curl -f http://your_production_url/health

Step 8: Rollback Changes (if necessary)

In case any issues emerge post-deployment, having a rollback plan is crucial. This may involve reverting to a previous commit or re-deploying a stable version.

Example Code:

# Rollback to the last stable commit
git checkout previous_commit_hash

# Re-build and restart the application
npm install
npm run build
docker-compose up -d --build

Conclusion

Follow these steps to effectively deploy the gitlab-org/gitlab-discussions project in a production environment. Ensure all necessary checks are in place to confirm a successful deployment.

For reference to specific command usages and further configurations, please refer to the repository documentation as needed.

Source of information: Snapshot of internal guidelines and deployment practices.