docker-compose.yml

# Lincoln Development Environment
# 
# Usage:
#   docker compose up -d              # Start DB + ML service (default)
#   docker compose --profile full up  # Include Elixir app in Docker
#   docker compose --profile test up  # Include test database
#   docker compose down               # Stop all services
#
# Services:
#   db         - PostgreSQL 16 with pgvector (port 5432)
#   db-test    - Isolated test database (port 5433) [profile: test]
#   ml_service - Python embedding service (port 8000)
#   lincoln    - Phoenix app [profile: full] (port 4000)

services:
  # ===========================================================================
  # Database Services
  # ===========================================================================
  
  db:
    image: pgvector/pgvector:pg16
    container_name: lincoln_db
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: lincoln_dev
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  db-test:
    image: pgvector/pgvector:pg16
    container_name: lincoln_db_test
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: lincoln_test
    ports:
      - "5433:5432"
    volumes:
      - postgres_test_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 5
    profiles:
      - test
      - full

  # ===========================================================================
  # ML Service (Python)
  # ===========================================================================
  
  ml_service:
    build:
      context: ./apps/ml_service
      dockerfile: Dockerfile
    container_name: lincoln_ml
    ports:
      - "8000:8000"
    volumes:
      - ml_model_cache:/home/appuser/.cache/huggingface
    environment:
      - TRANSFORMERS_CACHE=/home/appuser/.cache/huggingface
      - HF_HOME=/home/appuser/.cache/huggingface
    depends_on:
      db:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 10s
      timeout: 10s
      retries: 5
      start_period: 30s  # Model loading takes time
    restart: unless-stopped

  # ===========================================================================
  # SearXNG (Self-hosted Search)
  # ===========================================================================

  searxng:
    image: searxng/searxng:latest
    container_name: lincoln_searxng
    ports:
      - "8888:8080"
    volumes:
      - searxng_data:/etc/searxng
      - ./config/searxng/settings.yml:/etc/searxng/settings.yml:ro
    restart: unless-stopped
    profiles:
      - search

  # ===========================================================================
  # Elixir App (Optional - use profile: full)
  # ===========================================================================
  
  lincoln:
    build:
      context: ./apps/lincoln
      dockerfile: Dockerfile
    container_name: lincoln_app
    ports:
      - "127.0.0.1:4000:4000"
    environment:
      - DATABASE_URL=postgres://postgres:postgres@db:5432/lincoln_dev
      - ML_SERVICE_URL=http://ml_service:8000
      - LLM_PROVIDER=${LLM_PROVIDER:-anthropic}
      - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
      - OPENAI_API_KEY=${OPENAI_API_KEY:-}
      - OLLAMA_URL=${OLLAMA_URL:-http://ollama:11434}
      - OLLAMA_MODEL=${OLLAMA_MODEL:-qwen2.5:7b}
      - SECRET_KEY_BASE=${SECRET_KEY_BASE:?Set SECRET_KEY_BASE in .env (mix phx.gen.secret)}
      - PHX_HOST=localhost
      - PORT=4000
    depends_on:
      db:
        condition: service_healthy
      ml_service:
        condition: service_healthy
    profiles:
      - full
    restart: unless-stopped

  # ===========================================================================
  # Ollama (Optional - use profile: ollama)
  # ===========================================================================

  ollama:
    image: ollama/ollama:latest
    container_name: lincoln_ollama
    ports:
      - "11434:11434"
    volumes:
      - ollama_data:/root/.ollama
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:11434/api/tags"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    profiles:
      - ollama
    restart: unless-stopped

# ===========================================================================
# Volumes
# ===========================================================================

volumes:
  postgres_data:
    name: lincoln_postgres_data
  postgres_test_data:
    name: lincoln_postgres_test_data
  ml_model_cache:
    name: lincoln_ml_model_cache
  searxng_data:
    name: lincoln_searxng_data
  ollama_data:
    name: lincoln_ollama_data

# ===========================================================================
# Networks (optional, for isolation)
# ===========================================================================

networks:
  default:
    name: lincoln_network