Docker support and Ollama support (#47)

- Added support for running CLI and Ollama server via Docker
- Introduced tests for local embeddings model and standalone Docker setup
- Enabled conditional Ollama server launch via LLM_PROVIDER

docker-compose.yml

@@ -0,0 +1,74 @@
+version: "3.8"
+
+services:
+  # Ollama service for local LLM
+  ollama:
+    image: ollama/ollama:latest
+    container_name: ollama
+    network_mode: host
+    volumes:
+      - ./ollama_data:/root/.ollama
+    # Uncomment for GPU support
+    # deploy:
+    #   resources:
+    #     reservations:
+    #       devices:
+    #         - capabilities: ["gpu"]
+    profiles:
+      - ollama
+
+  # App container for Ollama setup
+  app-ollama:
+    build:
+      context: .
+    container_name: trading-agents-ollama
+    network_mode: host
+    volumes:
+      - .:/app
+      - ./data:/app/data
+    env_file:
+      - .env
+    environment:
+      - LLM_BACKEND_URL=http://localhost:11434/v1
+      - LLM_PROVIDER=ollama
+    depends_on:
+      - ollama
+    tty: true
+    stdin_open: true
+    profiles:
+      - ollama
+
+  # App container for OpenAI setup (no Ollama dependency)
+  app-openai:
+    build:
+      context: .
+    container_name: trading-agents-openai
+    network_mode: host
+    volumes:
+      - .:/app
+      - ./data:/app/data
+    env_file:
+      - .env
+    environment:
+      - LLM_PROVIDER=openai
+      - LLM_BACKEND_URL=https://api.openai.com/v1
+    tty: true
+    stdin_open: true
+    profiles:
+      - openai
+
+  # Generic app container (uses .env settings as-is)
+  app:
+    build:
+      context: .
+    container_name: trading-agents
+    network_mode: host
+    volumes:
+      - .:/app
+      - ./data:/app/data
+    env_file:
+      - .env
+    tty: true
+    stdin_open: true
+    profiles:
+      - default