Use host Ollama for Docker app runtime

docker-compose.yml

@@ -1,50 +1,18 @@
 services:
-  ollama:
-    image: ollama/ollama:latest
-    container_name: monthytracker-ollama
-    ports:
-      - "11434:11434"
-    volumes:
-      - ollama_data:/root/.ollama
-    healthcheck:
-      test: ["CMD", "ollama", "list"]
-      interval: 15s
-      timeout: 10s
-      retries: 20
-      start_period: 20s
-
-  ollama-init:
-    image: ollama/ollama:latest
-    depends_on:
-      ollama:
-        condition: service_healthy
-    environment:
-      OLLAMA_HOST: http://ollama:11434
-      OLLAMA_MODEL: ${OLLAMA_MODEL:-qwen3.5:9b}
-    entrypoint: ["/bin/sh", "-c"]
-    command: "ollama pull ${OLLAMA_MODEL:-qwen3.5:9b}"
-    volumes:
-      - ollama_data:/root/.ollama
-    restart: "no"
-
   app:
     build:
       context: .
     container_name: monthytracker-app
-    depends_on:
-      ollama:
-        condition: service_healthy
-      ollama-init:
-        condition: service_completed_successfully
     environment:
       DATABASE_URL: file:/data/dev.db
-      OLLAMA_URL: http://ollama:11434/
+      OLLAMA_URL: ${OLLAMA_URL:-http://host.docker.internal:11434/}
       OLLAMA_MODEL: ${OLLAMA_MODEL:-qwen3.5:9b}
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     ports:
       - "3000:3000"
     volumes:
       - app_data:/data
 
 volumes:
-  ollama_data:
   app_data: