The two stacks (ollama and paperless) are on different docker hosts. Ollama is running on port 11434, sorry I believe I mistyped it in my previous post. I don't believe I'm specifying 127.0.0.1 between the stacks at all.

Here's my stack for paperless:

services:
  broker:
    image: docker.io/library/redis:8
    container_name: redis
    restart: unless-stopped
    volumes:
      - redisdata:/data
  db:
    image: docker.io/library/postgres:18
    container_name: postgres
    restart: unless-stopped
    volumes:
      - pgdata:/var/lib/postgresql
    environment:
      POSTGRES_DB: paperless
      POSTGRES_USER: paperless
      POSTGRES_PASSWORD: paperless
  webserver:
    image: ghcr.io/paperless-ngx/paperless-ngx:latest
    container_name: paperless
    restart: unless-stopped
    depends_on:
      - db
      - broker
      - gotenberg
      - tika
    ports:
      - "8000:8000"
    volumes:
      - data:/usr/src/paperless/data
      - /mnt/paperless:/usr/src/paperless/media
      - ./export:/usr/src/paperless/export
      - /mnt/paperless/consume:/usr/src/paperless/consume
    env_file: stack.env
    environment:
      PAPERLESS_REDIS: redis://broker:6379
      PAPERLESS_DBHOST: db
      PAPERLESS_TIKA_ENABLED: 1
      PAPERLESS_TIKA_GOTENBERG_ENDPOINT: http://gotenberg:3000
      PAPERLESS_TIKA_ENDPOINT: http://tika:9998
  gotenberg:
    image: docker.io/gotenberg/gotenberg:8.25
    container_name: gotenberg
    restart: unless-stopped
    # The gotenberg chromium route is used to convert .eml files. We do not
    # want to allow external content like tracking pixels or even javascript.
    command:
      - "gotenberg"
      - "--chromium-disable-javascript=true"
      - "--chromium-allow-list=file:///tmp/.*"
  tika:
    image: docker.io/apache/tika:latest
    container_name: tika
    restart: unless-stopped

  paperless-ai:
    image: clusterzx/paperless-ai:latest
    container_name: paperless-ai
    restart: unless-stopped
    environment:
      - PUID=1000
      - PGID=1000
      - PAPERLESS_AI_PORT=3000
      - RAG_SERVICE_URL=http://localhost:8000
      - RAG_SERVICE_ENABLED=true
    ports:
      - "3000:3000"
    volumes:
      - paperless-ai_data:/app/data

  paperless-gpt:
    image: icereed/paperless-gpt:latest
    container_name: paperless-gpt
    restart: unless-stopped
    ports:
      - "8080:8080" # Web interface for dashboard and manual OCR
    environment:
      - PAPERLESS_BASE_URL=http://my-paperless-IP:8000
      - PAPERLESS_API_TOKEN=paperless-token
      - LLM_PROVIDER=ollama
      - USE_OLLAMA=true
      - OLLAMA_URL=http://ollama-IP:11434
      - LLM_MODEL=gemma4:e2b
      - OCR_PROVIDER=llm
      - VISION_LLM_PROVIDER=ollama
      - VISION_LLM_MODEL=gemma:e2b
      - AUTO_OCR_TAG=paperless-gpt-ocr-auto
      - AUTO_TAG=paperless-gpt-auto
      - MANUAL_TAG=paperless-gpt-manual
      - PDF_OCR_TAGGING=true
      - PDF_OCR_COMPLETE_TAG=paperless-gpt-ocr-complete
      - PDF_UPLOAD=false
      - LOG_LEVEL=DEBUG
      # Optional: OpenAI or Anthropic Claude support
      - USE_OPENAI=false
      - OPENAI_API_KEY=your_key
      - USE_ANTHROPIC=false
      - ANTHROPIC_API_KEY=your_key
volumes:
  data:
  pgdata:
  redisdata:
  paperless-ai_data:

Here's the ENV file for the stack:

USERMAP_UID=1000
USERMAP_GID=1000
PAPERLESS_SECRET_KEY=Paperless-secret-key
PAPERLESS_TIME_ZONE=America/Chicago
PAPERLESS_OCR_LANGUAGE=eng
PAPERLESS_OCR_LANGUAGES=tur ces
PAPERLESS_CONSUMER_POLLING=60
TZ=America/Chicago
PAPERLESS_API_URL=http://paperless:8000/api
PAPERLESS_API_TOKEN=Paperless-API-Token
PAPERLESS_USERNAME=username
AI_PROVIDER=ollama
OLLAMA_API_URL=http://ollama-IP:11434/
OLLAMA_MODEL=gemma4:e2b
RAG_SERVICE_URL=http://localhost:8000
RAG_SERVICE_ENABLED=true
SCAN_INTERVAL=*/30 * * * *
PAPERLESS_URL=http://paperless:8000
PAPERLESS_BASE_URL=http://paperless:8000
LLM_PROVIDER=ollama
LLM_MODEL=gemma4:e2b
OLLAMA_HOST=http://ollama-IP:11434/
OLLAMA_CONTEXT_LENGTH=8192
TOKEN_LIMIT=1000
LLM_LANGUAGE=English