add docker build

[illeatmyhat]

Summary by CodeRabbit

• New Features

  • Docker support for running the Kaizen MCP server with automated image building and publishing on releases.
  • Kaizen agent mode configuration for enhanced project integration.

• Documentation

  • Added Docker testing guide for manual build and deployment procedures.

• Tests

  • Adjusted test fixtures to prioritize filesystem backend compatibility.

• Chores

  • Platform-specific dependency optimization for improved cross-architecture support.
  • Enhanced graceful shutdown handling with logging improvements.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

This PR introduces Docker containerization capabilities, adds a Kaizen custom mode for AI agents, implements platform-specific dependency management, and enhances MCP server shutdown handling. It includes a GitHub Actions workflow for Docker image publishing, a Dockerfile for the MCP server, configuration updates, documentation, and test fixture modifications.

Changes

Cohort / File(s)	Summary
Docker & CI/CD .github/workflows/docker-publish.yml, Dockerfile.core	Adds GitHub Actions workflow to build and publish Docker images on release; new Dockerfile.core configures a minimal Python environment for the KAIZEN MCP server with filesystem backend and stdio entrypoint.
Configuration & Environment .env.example, .gitignore, .roomodes	Updates OpenAI API key placeholder format, adds new ignore patterns for kaizen folder/secrets/events, and introduces Kaizen custom mode with read/edit/command permissions.
Documentation DOCKER_TESTING.md	New guide covering manual Docker image build and test procedures, including prerequisites, sample commands, and MCP client configuration steps.
MCP Server Enhancement kaizen/frontend/mcp/__main__.py	Adds logging and graceful KeyboardInterrupt handling with proper shutdown messaging to the MCP server entry point.
Dependencies & Testing pyproject.toml, tests/e2e/test_mcp.py	Implements platform-specific dependency selectors for Milvus packages (handling aarch64 vs. other architectures); updates test fixture to support filesystem backend and optional remote Milvus servers.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• PR #70: Adds Kaizen mode export configuration and setup documentation alongside the Kaizen custom mode definition introduced in this PR.
• PR #59: Modifies test_mcp.py backend parameterization and test fixture setup related to the backend handling changes in this PR.

Suggested reviewers

• vinodmut
• gaodan-fang
• gjt-prog

Poem

🐰 A Docker-clad server hops into place,
Kaizen mode strides with commanding grace,
Platforms unified, from amd to arm,
MCP gracefully exits with gentle charm,
The warren grows—containers and all! 🏗️

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Title check	❓ Inconclusive	The title 'add docker build' is partially related to the changeset. While the PR includes Docker configuration (Dockerfile.core and docker-publish.yml), the changes also encompass environment setup (.env.example, .gitignore), agent modes (.roomodes), documentation, and dependency platform-specific adjustments—broader than just 'docker build'.	Consider a more descriptive title that reflects the full scope, such as 'Add Docker build workflow, agent mode, and platform-specific dependencies' or focus the title on the primary objective if docker is the main intent.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch docker

📝 Coding Plan

• Generate coding plan for human review comments

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