Vaultwarden Doc
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# 🚦 **Traefik Overview**
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**Traefik** is a **modern reverse proxy** and load balancer that makes deploying, securing, and managing microservices easier.
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---
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## 🔄 **Core Concepts**
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### 1️⃣ **Entrypoint** 🛬
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* The starting point for **incoming requests**.
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* Example: `:80` for HTTP or `:443` for HTTPS.
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### 2️⃣ **Router** 🚏
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* Decides **where a request should go** based on rules.
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* Connects **entrypoints** to **services**.
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### 3️⃣ **Service** 🛠️
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* The actual application or backend that processes the request.
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---
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## 🧩 **Routers Details**
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**Routers** can have:
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1. **Middleware** 🧱
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* Modify requests/responses before reaching the service.
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* Examples:
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* `StripPrefix` ➡️ Remove part of the URL path.
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* `RateLimit` ➡️ Limit request rate.
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* `Auth` ➡️ Add authentication.
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2. **Rules** 📜
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* Define **how to match a request**.
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* Examples:
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* `Host("example.com")`
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* `PathPrefix("/api")`
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---
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## ⚙️ **Traefik Configuration Types**
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1. **Static Configuration** 🗂️
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* Defines **Traefik’s own behavior**.
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* Example: entrypoints, providers, log level.
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* Set in `traefik.yml` or CLI args.
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2. **Dynamic Configuration** 📡
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* Defines **how Traefik routes requests**.
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* Example: routers, services, middlewares.
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* Comes from files, Kubernetes CRDs, or Docker labels.
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---
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## 🔗 **Request Flow**
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```
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Request
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⬇️
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Entrypoint 🛬
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⬇️
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Router 🚏
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⬇️
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Middleware 1 🧱 → Middleware 2 🧱
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⬇️
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Service 🛠️
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```
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---
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## 🌟 **Summary**
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Traefik acts like a **smart traffic cop** 🚓 for your microservices, ensuring that requests go exactly where they should, with the right rules and transformations applied along the way.
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