DevOps, Cloud & Infrastructure

Step-by-step prepare code, launch and configure EC2 instance and security group, install runtime, deploy app, set environment variables, start services, monitor logs, scale, update

Diagram showing Docker container using environment variables: .env file, docker run -e flags, Dockerfile ENV, and secure secrets management for configurable runtime settings. best.

Prometheus and Grafana dashboard showing container metrics: scrape targets, CPU and memory graphs, pod/service status, alerts, and resource trends for Kubernetes over time per-pod.

Diagram showing GitHub Actions workflow automating build, test, and continuous deployment: commits trigger jobs, artifacts flows to deployment environments, monitoring and rollback

CI/CD basics for DevOps: automated build, test, deploy pipelines, CI/CD practices, IaC, monitoring, rollback, security, observability, and team collaboration. for fast feedback ops

SPONSORED Sponsor message — This article is made possible by Dargslan.

Illustration of a beginner configuring a Jenkins pipeline: user at a laptop mapping stages (SCM, build, test, deploy) with visual flowchart, console logs, and step-by-step guidance

Docker Compose diagram showing compose file, build images, start services, map ports, mount volumes, set environment vars, view logs, scale containers and deploy a web application.

SPONSORED Sponsor message — This article is made possible by Dargslan.

Quick guide to install and configure Docker on Ubuntu: update apt, install prerequisites, add Docker repo and GPG key, install Docker, enable/start service, verify with hello-world