always buildingexit lab

DevOps Basics

DevOps for Backend Developers

I'm a backend developer, not a DevOps engineer — but understanding the delivery lifecycle is what turns “the code works” into “the service is live, reachable, and recoverable.” This covers Docker, CI/CD, reverse proxies, and deployment, focused on what a Java/Spring Boot and Next.js stack actually needs.

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Continue: Git Browse hands-on labs

Hands-on Labs

Dockerize an app, wire up Nginx, ship a CI/CD pipeline

Command Reference

Searchable Git, Docker, Maven, and PostgreSQL commands

Backend Infrastructure

Reverse proxy, load balancer, caching, health checks — explained

Learning roadmap

Track what you've learned — progress is saved in your browser.

Version Control

Git

The version control system everything else in this roadmap assumes you already know.

Version Control

GitHub

Where the repository lives, and the trigger point for every CI/CD pipeline on this roadmap.

30 minPlanned

Environment

Linux Basics

The shell every server, container, and CI runner in this roadmap actually runs on.

1 hrPlanned

Environment Variables

How config and secrets move between local dev, CI, and production without being committed to Git.

Networking & Security

Networking Basics

Ports, DNS, and the request path — enough to reason about why a deploy can't be reached.

45 minPlanned

Architecture

From a git push to production

Developerwrites code

Gitlocal commits

GitHubpush / PR

GitHub Actionstest + build

Dockerimage built

Railwaydeploy

Productionlive traffic

How a request reaches your data

Browseruser's request

Next.jsfrontend, Vercel

Spring BootREST API

PostgreSQLdata

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