fix: optimize Docker image size — .dockerignore + selective COPY in runtime

.dockerignore

@@ -1,12 +1,25 @@
-src/frontend/node_modules
-src/frontend/build
-src/frontend/coverage
-src/frontend/test-results
-src/frontend/playwright-report
-src/frontend/.dspy_cache
-**/.DS_Store
-**/__pycache__
-**/*.pyc
-**/.pytest_cache
-**/.venv
-**/.env
+.git
+.github
+.vscode
+.cursor
+.claude
+__pycache__
+*.pyc
+*.pyo
+.venv
+.mypy_cache
+.ruff_cache
+.pytest_cache
+node_modules
+tests
+docker
+docs
+*.md
+!README.md
+.env*
+.DS_Store
+*.egg-info
+dist
+build
+*.tar.gz
+*.whl

Dockerfile

@@ -71,7 +71,10 @@ ENV PYTHONUNBUFFERED=1
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PORT=3006
 
-COPY --chown=hanzo:hanzo . .
+# Copy only what's needed at runtime (not .git, tests, docs, docker/, etc.)
+COPY --chown=hanzo:hanzo ./src /app/src
+COPY --chown=hanzo:hanzo ./pyproject.toml /app/pyproject.toml
+COPY --chown=hanzo:hanzo ./README.md /app/README.md
 
 RUN mkdir -p /app/data /app/logs && chown -R hanzo:hanzo /app/data /app/logs