# Konstantin Hintermayer

## Rolle im Projekt

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**Aufgabenbereiche**:

- Product Owner
- Kundenschnittstelle
- Infrastruktur & CI/CD

**Softwareentwicklung:**

- Event Registration
- Black Board
- Report System
- Mass Mailer
  
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    \clip (0,0) circle (3em);
    \node at (0,0) {\includegraphics[width=6em]{./Images/images/konstantin/profile.jpg}};
    \draw[accent, line width=3pt] (0,0) circle (3em);
\end{tikzpicture}

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## Infrastruktur 

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**Entwicklung:**

- **Gitea:** Versionskontrollsystem
- **Wireguard:** VPN
- **Docker:** Containerisierung
- **GitHub:** Transfer
- **Gitea Actions:** CI/CD 

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**Produktion:** 

- **Debian:** Betriebssystem
- **NginX:** Reverse Proxy
- **PostgreSQL:** Datenbank
- **Oqtane:** CMS

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\vfill

\begin{center}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/debian.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/docker.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/gitea.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/wireguard.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/github.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/nginx.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/postgres.pdf} \hspace{1em}
    \includegraphics[width=2.5em]{./Images/images/konstantin/logos/oqtane.pdf}
\end{center}

\vfill
<!-- ![](./Images/konstantin/tech_stack_logos.png){ width=100% } -->

---

**Produktions-Infrastruktur:**

```mermaid
sequenceDiagram
    participant browser as Client
    participant nginx as NginX
    participant oqtane as Oqtane
    participant db as PostgreSQL

    browser->>+nginx: HTTPS => 0.0.0.0:443
    nginx->>nginx: SSL Terminierung
    nginx->>+oqtane: HTTP => 127.0.0.1:5000
    oqtane->>+db: SQL => 127.0.0.1:5432
    db-->>-oqtane: SQL
    oqtane-->>-nginx: HTTP
    nginx-->>-browser: HTTPS
```


## Softwarearchitektur

- Open-Closed Principle
- Strategy Pattern
- Dependency Injection
  
## Technischer Vergleich

Bisherige Erfahrungen:

- Go
- Typescript
- GRPC (interprozess Kommunikation)

Untersuchungsgebiete:

- Typisierung
- Konsistenz

## Teamleitung

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## Fazit