📁 Projects

Utilities

split-pdf-bookmarks

• Description: Extract bookmarks from PDFs and split documents using a companion CSV.
• Docker Hub: https://hub.docker.com/r/pjfsu/split-pdf-bookmarks
• Technologies: GitHub Actions, Podman, REST API, Bash, Python
• License: GPLv3

Containerization

k8s-service-podman-simulation

• Description: Simulating of a Kubernetes‑style Service using Podman pods and a shared network.
• Technologies: Podman, Nginx
• License: MIT

helloworld-pod

• Description: An example of creating and running a Podman pod with NGINX serving static content.
• Technologies: Podman, Nginx, HTTP
• License: MIT

Security

podman-firewall-minilab

• Description: Configuration of firewalls on two lightweight OpenWrt router containers to regulate ICMP (ping) traffic between them.
• Technologies: Podman, OpenWrt, Firewall, ICMP
• License: MIT

32bits-alpine-ssh-hardening

• Description: Hardening SSH on a 32‑bit Alpine Linux system.
• Technologies: Ansible, Alpine, SSH, Bash
• License: MIT

Benchmarking

nginx-cpu-vs-ram

• Description: An experiment analyzing how increased RAM versus increased CPU resources affect the performance of a basic Nginx HTTP server.
• Technologies: Podman, Nginx, ApacheBench
• License: MIT

plain_vs_json_logs

• Description: A Flask application showcasing both JSON and plain‑text logging to illustrate the benefits of structured logs for DQL queries.
• Technologies: Dynatrace, DQL, Vagrant, Flask, Bash
• License: MIT

sum_list_vs_gen

• Description: An experiment showcasing the contrasting memory usage of list comprehensions versus generator expressions when processing large datasets in Python.
• Technologies Used: Ansible, Vagrant, Dynatrace, Python
• License: MIT

Programming

go-hello-world

• Description: A minimal “Hello World” application in Go, packaged as a multi-stage container for ultra-lean builds.
• Technologies: GitHub Actions, Go, Podman, Bash
• License: GPLv3