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@@ -1,2 +1,66 @@
 # JavadocViewerService
 
+A Spring Boot web service that automatically fetches, manages, and serves Javadoc documentation for Maven artifacts.
+
+## Features
+
+- Fetches Javadoc JARs from Maven Central or custom Maven repositories
+- Tracks multiple Maven artifacts with version detection
+- Serves generated Javadoc via a simple Bootstrap web UI
+- Scheduled updates via configurable cron expression
+- Persists metadata in an embedded H2 database (Liquibase-managed)
+
+## Requirements
+
+Currently, this service is docker-only.
+
+## Docker
+
+```yaml
+services:
+  jvs-dockerized:
+    image: git.mein-gateway.de/thischwa/javadocviewerservice:develop
+    volumes:
+      - /opt/javadocviewerservice-dockerized/jdvs.yml:/app/jdvs.yml:ro
+      - /opt/javadocviewerservice-dockerized/database:/app/database
+      - /opt/javadocviewerservice-dockerized/javadoc-storage:/app/javadoc-storage
+    restart: unless-stopped
+    ports:
+      - "127.0.0.1:8086:8080"
+```
+
+Volume mapping:
+
+| Mount | Purpose |
+|---|---|
+| `jdvs.yml:/app/jdvs.yml:ro` | Injects the repository configuration (which artifacts to track) as read-only — the only file you need to edit |
+| `database:/app/database` | Persists the H2 database so tracked version metadata survives restarts and image updates |
+| `javadoc-storage:/app/javadoc-storage` | Persists generated Javadoc HTML so it is not lost on container recreation |
+
+
+## Configuration
+
+### `application.yml`
+
+Key defaults:
+
+| Property | Default | Description |
+|---|---|---|
+| `jdvs.base-dir` | `./javadoc-storage` | Storage root for generated Javadoc |
+| `jdvs.cron` | `0 0/15 * * * ?` | Update schedule (every 15 min) |
+| `jdvs.clean-on-start` | `false` | Wipe storage and DB on startup |
+| `jdvs.run-on-start` | `false` | Run update immediately on startup |
+| `jdvs.maven-central-url` | `https://repo1.maven.org/maven2` | Default Maven repository |
+
+### `jdvs.yml`
+
+Defines the repositories to track and individual settings (all key defaults can be overridden):
+
+```yaml
+jdvs:
+  repositories:
+    - name: my-lib
+      group-id: com.example
+      artifact-id: my-lib
+      # maven-repo-url: https://custom.repo/maven  # optional, defaults to Maven Central
+```