M3-1: Docker API Integration

Description

Integrate dockerode library with Effect.ts service pattern for Docker API access.

Acceptance Criteria

• Add dockerode dependency
• Create DockerService using Effect.Layer
• Connect to /var/run/docker.sock
• Implement retry logic with exponential backoff
• Handle Docker daemon unavailability gracefully
• Create service interface for all Docker operations

Technical Requirements

• Use Effect.acquireRelease for connection management
• Implement health check for Docker connection
• Support both local socket and remote Docker API
• Thread-safe connection pooling

Estimated Effort

6 hours