Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22 SOLID and Design Principles 12 Clean Code 13 Design Patterns 23 UML and Modeling 18 Introduction to Software Architecture 9 Clean, Onion and Hexagonal Architecture 8

2 posts found #github-actions

Newest Oldest Popular

Software Design PART 16

Diagrams as Code with PlantUML: Syntax, C4-PlantUML, Includes and Rendering in CI

PlantUML describes a diagram in a text file and renders it locally or in CI, so the diagram changes in the same PR as the code, gets diffed and is validated with --check-syntax. This post walks through the PlantUML sources of the series' use case, class, sequence, state and C4 diagrams, sharing a style with !include, rendering in GitHub Actions, and the privacy risks of the public server and the source embedded in SVGs, with real output.

7 Nov 2026 14 min 4

Backend PART 31

Containerizing an ASP.NET Core Web API with Docker and Setting Up CI/CD with GitHub Actions

We containerize an ASP.NET Core Web API with a multi-stage Dockerfile: dotnet publish, the layer cache, .dockerignore, ports and environment settings; then we build a GitHub Actions CI/CD pipeline that tests the code and pushes the image to ghcr.io.

4 Nov 2026 9 min 49