Add llama-server and open-webui apps for local LLM inference

- llama-server: llama.cpp REST API server, 8G memory, port 8080 - open-webui: Chat UI connecting to llama-server, 2G memory, port 3000 - Both include x-casaos metadata for ZimaOS app store - README with model download instructions and API examples
2026-04-19 22:25:22 +02:00
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+name: open-webui
+
+services:
+  open-webui:
+    image: ghcr.io/open-webui/open-webui:main
+    container_name: open-webui
+    restart: unless-stopped
+    environment:
+      TZ: Europe/Stockholm
+      OLLAMA_BASE_URL: http://llama-server:8080
+      WEBUI_PORT: "3000"
+    ports:
+      - target: 3000
+        published: "3000"
+        protocol: tcp
+    volumes:
+      - type: bind
+        source: /DATA/AppData/$AppID/data
+        target: /app/backend/data
+    deploy:
+      resources:
+        reservations:
+          memory: 2G
+    depends_on:
+      - llama-server
+    security_opt:
+      - no-new-privileges:true
+    cap_drop:
+      - ALL
+    x-casaos:
+      envs:
+        - container: OLLAMA_BASE_URL
+          description:
+            en_us: Internal URL to llama-server API (http://llama-server:8080)
+        - container: WEBUI_PORT
+          description:
+            en_us: Web UI listen port inside container
+        - container: TZ
+          description:
+            en_us: Timezone, for example Europe/Stockholm
+      ports:
+        - container: "3000"
+          description:
+            en_us: OpenWebUI web interface port
+      volumes:
+        - container: /app/backend/data
+          description:
+            en_us: OpenWebUI persistent data (chat history, settings)
+
+x-casaos:
+  architectures:
+    - amd64
+    - arm64
+  main: open-webui
+  category: ai
+  author: Joachim Friberg
+  developer: Joachim Friberg
+  icon: https://cdn.simpleicons.org/webui
+  tagline:
+    en_us: Modern chat UI for local LLMs
+  description:
+    en_us: >
+      OpenWebUI provides a modern, feature-rich web interface for interacting with local LLMs.
+      Connect to llama-server or any OpenAI-compatible API. Requires llama-server app to be running first.
+  title:
+    en_us: OpenWebUI
+  index: /
+  port_map: "3000"