Add Docker build test results

Local build verification completed successfully
Image builds without errors
Configuration parses correctly

docs/plans/docker-test-results.txt

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+Docker Build Test Results
+==========================
+Date: 2025-10-30
+Branch: docker-deployment
+Working Directory: /home/bballou/AI-Trader/.worktrees/docker-deployment
+
+Test 1: Docker Image Build
+---------------------------
+Command: docker-compose build
+Status: SUCCESS
+Result: Successfully built image 7b36b8f4c0e9
+
+Build Output Summary:
+- Base image: python:3.10-slim
+- Build stages: Multi-stage build (base + application)
+- Dependencies installed successfully from requirements.txt
+- Application code copied
+- Directories created: data, logs, data/agent_data
+- Entrypoint script made executable
+- Ports exposed: 8000, 8001, 8002, 8003, 8888
+- Environment: PYTHONUNBUFFERED=1 set
+- Image size: 266MB
+- Build time: ~2 minutes (including dependency installation)
+
+Key packages installed:
+- langchain==1.0.2
+- langchain-openai==1.0.1
+- langchain-mcp-adapters>=0.1.0
+- fastmcp==2.12.5
+- langgraph<1.1.0,>=1.0.0
+- pydantic<3.0.0,>=2.7.4
+- openai<3.0.0,>=1.109.1
+- All dependencies resolved without conflicts
+
+Test 2: Image Verification
+---------------------------
+Command: docker images | grep ai-trader
+Status: SUCCESS
+Result: docker-deployment_ai-trader     latest          7b36b8f4c0e9   9 seconds ago   266MB
+
+Image Details:
+- Repository: docker-deployment_ai-trader
+- Tag: latest
+- Image ID: 7b36b8f4c0e9
+- Created: Just now
+- Size: 266MB (reasonable for Python 3.10 + ML dependencies)
+
+Test 3: Configuration Parsing (Dry-Run)
+----------------------------------------
+Command: docker-compose --env-file .env.test config
+Status: SUCCESS
+Result: Configuration parsed correctly without errors
+
+Test .env.test contents:
+OPENAI_API_KEY=test
+ALPHAADVANTAGE_API_KEY=test
+JINA_API_KEY=test
+RUNTIME_ENV_PATH=/app/data/runtime_env.json
+
+Parsed Configuration:
+- Service name: ai-trader
+- Container name: ai-trader-app
+- Build context: /home/bballou/AI-Trader/.worktrees/docker-deployment
+- Environment variables correctly injected:
+  * AGENT_MAX_STEP: '30' (default)
+  * ALPHAADVANTAGE_API_KEY: test
+  * GETPRICE_HTTP_PORT: '8003' (default)
+  * JINA_API_KEY: test
+  * MATH_HTTP_PORT: '8000' (default)
+  * OPENAI_API_BASE: '' (not set, defaulted to blank)
+  * OPENAI_API_KEY: test
+  * RUNTIME_ENV_PATH: /app/data/runtime_env.json
+  * SEARCH_HTTP_PORT: '8001' (default)
+  * TRADE_HTTP_PORT: '8002' (default)
+- Ports correctly mapped: 8000, 8001, 8002, 8003, 8888
+- Volumes correctly configured:
+  * ./data:/app/data:rw
+  * ./logs:/app/logs:rw
+- Restart policy: unless-stopped
+- Docker Compose version: 3.8
+
+Summary
+-------
+All Docker build tests PASSED successfully:
+✓ Docker image builds without errors
+✓ Image created with reasonable size (266MB)
+✓ Multi-stage build optimizes layer caching
+✓ All Python dependencies install correctly
+✓ Configuration parsing works with test environment
+✓ Environment variables properly injected
+✓ Volume mounts configured correctly
+✓ Port mappings set up correctly
+✓ Restart policy configured
+
+No issues encountered during local Docker build testing.
+The Docker deployment is ready for use.
+
+Next Steps:
+1. Test actual container startup with valid API keys
+2. Verify MCP services start correctly in container
+3. Test trading agent execution
+4. Consider creating test tag for GitHub Actions CI/CD verification