20 articles
A concrete, reproducible guide to bringing up Keycloak 26 with Docker Compose, creating the mx-ver-lerdo realm preloaded with users, roles and clients, and verifying the token flow with curl.
Master advanced OpenCode configuration: AI providers, MCP servers, permission system, native LSP, and environment variables for teams.
Build a complete full-stack application with Docker: React frontend with Nginx, Node.js/Express API, PostgreSQL database, and Redis cache. The Docker course final project.
Automate Docker builds with GitHub Actions. Learn to push to GHCR, configure layer caching, run multi-platform builds, and set up complete CI/CD pipelines.
Learn Docker security best practices: running as non-root, vulnerability scanning with Trivy, secrets management, read-only filesystems, and container hardening.
Master multi-stage builds in Docker to dramatically reduce image sizes. Practical examples for Java, Node.js, Python, and Go with before/after comparisons.
Learn Docker Compose to define and manage multi-container applications. Build a WordPress + MySQL + phpMyAdmin stack with health checks and environment variables.
Master Docker networking: bridge, host, overlay. Connect containers with automatic DNS and port mapping.
Learn to use Docker volumes for persistent data. Named volumes, bind mounts and backups with practical examples.