Add docker-service stubs and ignore runtime artifacts.

This tracks compose and source files for mcp-stub/phoenix while excluding local runtime data and wheel artifacts.

Made-with: Cursor

phoenix/Dockerfile

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+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PHOENIX_WORKING_DIR=/mnt/data
+ENV PHOENIX_HOST=0.0.0.0
+ENV PHOENIX_PORT=6006
+ENV PHOENIX_GRPC_PORT=4317
+
+COPY ./PySocks-1.7.1-py3-none-any.whl /app/PySocks-1.7.1-py3-none-any.whl
+RUN pip install --no-cache-dir /app/PySocks-1.7.1-py3-none-any.whl
+
+RUN pip install --no-cache-dir arize-phoenix
+
+WORKDIR /app
+
+RUN mkdir -p /mnt/data
+VOLUME ["/mnt/data"]
+
+EXPOSE 6006 4317
+
+CMD ["phoenix", "serve"]

phoenix/docker-compose.yml

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+services:
+  phoenix:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: local-phoenix:latest
+    restart: unless-stopped
+    ports:
+      - "6006:6006"
+      - "4317:4317"
+    environment:
+      PHOENIX_WORKING_DIR: /mnt/data
+      # Optional: use external Postgres instead of local SQLite
+      # PHOENIX_SQL_DATABASE_URL: postgresql://user:password@host:5432/dbname
+    volumes:
+      - ./phoenix-data:/mnt/data