services:
  adc-init:
    image: alpine:3.24
    restart: "no"
    environment:
      GOOGLE_ADC_B64: ${GOOGLE_ADC_B64}
    volumes:
      - google-adc:/credentials
    command:
      - /bin/sh
      - -c
      - |
        umask 077
        printf '%s' "$${GOOGLE_ADC_B64}" | base64 -d > /credentials/application_default_credentials.json

  litellm:
    image: ghcr.io/berriai/litellm:main-stable
    restart: unless-stopped
    depends_on:
      adc-init:
        condition: service_completed_successfully
    network_mode: host
    environment:
      GOOGLE_APPLICATION_CREDENTIALS: /credentials/application_default_credentials.json
      VERTEXAI_PROJECT: ${VERTEXAI_PROJECT}
      VERTEXAI_LOCATION: ${VERTEXAI_LOCATION:-global}
      LITELLM_MASTER_KEY: ${LITELLM_MASTER_KEY}
    volumes:
      - ./config.yaml:/app/config.yaml:ro
      - google-adc:/credentials:ro
    command: ["--config", "/app/config.yaml", "--host", "${LISTEN_IP:-127.0.0.1}", "--port", "${LITELLM_PORT:-1049}"]
    logging:
      driver: json-file
      options:
        max-size: 1m
        max-file: "2"

volumes:
  google-adc: