FromCodeToCloud @CodeToCloudxx
Sharing daily insights on Cloud, DevOps & CI/CD | Simplifying Infra & Automation for everyone. United Kingdom Joined November 2024-
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🚨Real-Time DevOps Use Case: AWS API Gateway Scenario: ✨A company runs multiple microservices (user, orders, payments) on AWS Lambda and wants a single secure entry point for all APIs. Solution: •Use API Gateway to route requests like: •/users → User Lambda •/orders →…
Secure EC2 Instances with IAM Roles ▶️ Example: Your app on EC2 needs to access S3 for file uploads. •Attach an IAM Role with AmazonS3FullAccess (or least-privilege policy). •No need to store AWS keys inside the app.
Common Tasks in DevOps ▶️ CI/CD Pipeline Management •Set up pipelines for automated build, test, and deployment. ▶️ Infrastructure as Code (IaC) •Use tools like Terraform or CloudFormation to manage infrastructure as code. ▶️ Configuration Management •Manage and automate…
🚨Real-Time DevOps Use Case: AWS API Gateway Scenario: ✨A company runs multiple microservices (user, orders, payments) on AWS Lambda and wants a single secure entry point for all APIs. Solution: •Use API Gateway to route requests like: •/users → User Lambda •/orders →…
♻️Git Tips - Save for Later✅
♻️Git Flow branching Strategy Structure: •main (or master) → production-ready code •develop → ongoing development •Feature branches → new features •Release branches → prep for production •Hotfix branches → urgent fixes in production •Pros: Good for large teams,…
Database Snapshot Automation Lambda script → nightly snapshot → store in S3 → lifecycle policy to remove after 30 days
Container Disk Full Scenario: Node.js build container fails: ENOSPC. Real DevOps Fix: 🔸Clean up old Docker images (docker system prune -a) 🔸Increase Docker volume size on VM 🔸Use .dockerignore to avoid copying unnecessary files
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✅Cron Jobs Explained Cron jobs = tasks your Linux server runs automatically at scheduled times Cron Jobs are very common in DevOps for automating backups, reports, log cleanup, and more. By default cron jobs uses server’s time zone
♻️Blue-Green Deployments with AWS CodeDeploy! 1.Switch traffic between two environments (EC2/ECS) with zero downtime 2.Instant rollback if something fails 3. Keep your users happy & your releases safe
🐳 Containers are like tiny portable apps here’s why DevOps loves them 🔸Docker lets you package your app + dependencies in one container. 🔸Run it anywhere: your laptop, cloud, or CI/CD server. 🔸Multiple containers can run different parts of your app independently.
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