Learn the essential developer tools from scratch. Git for version control, Docker for containers, and SQL for databases. Every article has practical examples you can follow along with.
Simple explanations. Real-world examples. No unnecessary theory.
Git
Master version control with Git.
| # | Tutorial | What You Will Learn |
|---|---|---|
| 1 | Git Basics — Init, Add, Commit, Push | Repository setup, staging, commits, pushing to GitHub |
| 2 | Git Branching and Merging | Branches, merging, resolving conflicts, pull requests |
| 3 | Git Rebase and History (coming soon) | Interactive rebase, squashing, amend, clean history |
| 4 | Git Stash and Undo (coming soon) | Stash, reset, revert, cherry-pick, recovering mistakes |
| 5 | Git Workflows for Teams (coming soon) | Trunk-based, GitFlow, PR reviews, CI/CD integration |
Docker
Containerize your applications.
| # | Tutorial | What You Will Learn |
|---|---|---|
| 1 | Docker Basics — Containers and Images (coming soon) | What containers are, pulling images, running containers |
| 2 | Dockerfile — Building Your Own Images (coming soon) | FROM, RUN, COPY, CMD, multi-stage builds |
| 3 | Docker Compose — Multi-Container Apps (coming soon) | docker-compose.yml, services, networking, volumes |
| 4 | Docker for Development (coming soon) | Dev containers, hot reload, debugging in containers |
| 5 | Docker in Production (coming soon) | Registry, CI/CD, health checks, logging, security |
SQL
Query and manage databases.
| # | Tutorial | What You Will Learn |
|---|---|---|
| 1 | SQL Basics — SELECT, WHERE, ORDER BY (coming soon) | Querying data, filtering, sorting, LIMIT |
| 2 | JOINs — Combining Tables (coming soon) | INNER, LEFT, RIGHT, FULL JOIN, self joins |
| 3 | INSERT, UPDATE, DELETE (coming soon) | Modifying data, transactions, ON CONFLICT |
| 4 | Aggregation — GROUP BY, HAVING (coming soon) | COUNT, SUM, AVG, MIN, MAX, grouping |
| 5 | Subqueries and CTEs (coming soon) | Nested queries, WITH clause, recursive CTEs |
| 6 | Indexes and Performance (coming soon) | Creating indexes, EXPLAIN, query optimization |
| 7 | Window Functions (coming soon) | ROW_NUMBER, RANK, LAG, LEAD, running totals |
Capstone
| # | Tutorial | What You Will Learn |
|---|---|---|
| 1 | Full Stack DevOps Project (coming soon) | Git + Docker + SQL in one project, deploy a real app |
Who is This For?
- Beginners who need to learn developer tools from scratch
- Self-taught developers who skipped the tooling fundamentals
- Students preparing for their first job
- Anyone who wants to be more productive with Git, Docker, and SQL
Cheat Sheets
Need a quick reference? Check these companion cheat sheets: