diff --git a/diagrams/omnibus_arch.tex b/diagrams/omnibus_arch.tex
new file mode 100644
index 0000000..cf33eb9
--- /dev/null
+++ b/diagrams/omnibus_arch.tex
@@ -0,0 +1,55 @@
+% Architekturdiagramm der GitLab-Omnibus-Komponenten
+% Einbinden im Hauptdokument:
+%   \usepackage{tikz}
+%   \usetikzlibrary{positioning,arrows.meta,fit,backgrounds}
+% und an der gewünschten Stelle:
+%   \input{diagrams/omnibus_arch}
+
+\begin{figure}[H]
+	\centering
+	\resizebox{\columnwidth}{!}{%
+	\begin{tikzpicture}[
+		node distance=6mm and 8mm,
+		font=\footnotesize\sffamily,
+		every node/.style={align=center},
+		comp/.style={draw, rounded corners=2pt, minimum height=8mm, minimum width=20mm, fill=blue!5},
+		store/.style={draw, rounded corners=2pt, minimum height=8mm, minimum width=20mm, fill=green!8},
+		ext/.style={draw, dashed, rounded corners=2pt, minimum height=8mm, minimum width=20mm, fill=gray!5},
+		arr/.style={-{Stealth[length=2mm]}, thick},
+		]
+
+		% Ebene 1: Eingang
+		\node[comp] (browser) {Browser / git-Client};
+		\node[comp, right=of browser] (nginx) {nginx\\(Reverse Proxy)};
+
+		% Ebene 2: Anwendungsschicht
+		\node[comp, below=of nginx] (puma) {Puma\\(Rails-App)};
+		\node[comp, right=of puma] (sidekiq) {Sidekiq\\(Hintergrundjobs)};
+
+		% Ebene 3: Datenschicht
+		\node[store, below=of puma] (pg) {PostgreSQL\\(Daten)};
+		\node[store, right=of pg] (redis) {Redis\\(Cache, Queue)};
+		\node[store, left=of pg] (gitaly) {Gitaly\\(Repo-Storage)};
+
+		% Ebene 4: Add-Ons
+		\node[comp, below=of pg] (registry) {Container\\Registry};
+		\node[ext, right=of registry] (runner) {GitLab Runner\\(extern)};
+		\node[ext, left=of registry] (mail) {SMTP-Server\\(extern)};
+
+		% Verbindungen
+		\draw[arr] (browser) -- (nginx);
+		\draw[arr] (nginx) -- (puma);
+		\draw[arr] (puma) -- (pg);
+		\draw[arr] (puma) -- (redis);
+		\draw[arr] (puma.west) to[bend right=20] (gitaly.north);
+		\draw[arr] (sidekiq) -- (redis);
+		\draw[arr] (sidekiq.south) to[bend left=15] (pg.east);
+		\draw[arr] (puma.south) to[bend left=10] (registry.north);
+		\draw[arr, dashed] (runner.north) to[bend left=15] (puma.east);
+		\draw[arr, dashed] (puma.west) to[bend left=20] (mail.north);
+
+	\end{tikzpicture}%
+	}
+	\caption{Komponenten einer Self-Managed-Instanz im Omnibus-Paket. Gestrichelte Komponenten laufen ausserhalb des Omnibus-Pakets und werden separat angebunden.}
+	\label{fig:omnibus-arch}
+\end{figure}
diff --git a/diagrams/pipeline_stages.tex b/diagrams/pipeline_stages.tex
new file mode 100644
index 0000000..5353f13
--- /dev/null
+++ b/diagrams/pipeline_stages.tex
@@ -0,0 +1,55 @@
+% Pipeline-Schema: Pipeline -> Stages -> Jobs mit needs/DAG-Pfeil
+% Einbinden im Hauptdokument:
+%   \usepackage{tikz}
+%   \usetikzlibrary{positioning,arrows.meta,fit,backgrounds}
+% und an der gewünschten Stelle:
+%   \input{diagrams/pipeline_stages}
+
+\begin{figure}[H]
+	\centering
+	\resizebox{\columnwidth}{!}{%
+	\begin{tikzpicture}[
+		node distance=4mm and 6mm,
+		font=\footnotesize\sffamily,
+		every node/.style={align=center},
+		stage/.style={draw, rounded corners=3pt, minimum width=22mm, minimum height=6mm, fill=blue!10, font=\bfseries\footnotesize\sffamily},
+		job/.style={draw, rounded corners=2pt, minimum width=22mm, minimum height=6mm, fill=white},
+		arr/.style={-{Stealth[length=2mm]}},
+		dagarr/.style={-{Stealth[length=2mm]}, dashed, red!70!black, thick},
+		]
+
+		% Stage-Header
+		\node[stage] (s1) {lint};
+		\node[stage, right=12mm of s1] (s2) {test};
+		\node[stage, right=12mm of s2] (s3) {build};
+		\node[stage, right=12mm of s3] (s4) {deploy};
+
+		\draw[arr] (s1) -- (s2);
+		\draw[arr] (s2) -- (s3);
+		\draw[arr] (s3) -- (s4);
+
+		% Jobs unter den Stages
+		\node[job, below=of s1] (j1) {eslint};
+
+		\node[job, below=of s2] (j2a) {unit};
+		\node[job, below=of j2a] (j2b) {integration};
+
+		\node[job, below=of s3] (j3a) {bundle};
+		\node[job, below=of j3a] (j3b) {container};
+
+		\node[job, below=of s4] (j4a) {staging};
+		\node[job, below=of j4a] (j4b) {prod (manual)};
+
+		% needs/DAG: container braucht nur bundle, nicht alle vorigen
+		\draw[dagarr] (j3a.east) to[bend left=10] node[above, midway, font=\tiny\itshape] {needs} (j3b.west);
+
+		% Pipeline-Klammer drumherum
+		\begin{pgfonlayer}{background}
+			\node[draw, dotted, rounded corners=4pt, fit=(s1)(s4)(j2b)(j3b)(j4b), inner sep=4mm, label={[anchor=north west, font=\small\bfseries]north west:Pipeline}] {};
+		\end{pgfonlayer}
+
+	\end{tikzpicture}%
+	}
+	\caption{Aufbau einer Pipeline aus Stages und Jobs. Durchgezogene Pfeile: starre Stage-Reihenfolge. Gestrichelter Pfeil: needs-Beziehung (\acs{DAG}-Modus), die unnötiges Warten verkürzt.}
+	\label{fig:pipeline-stages}
+\end{figure}