feat: enhance auth module and add stdio guide (not tested) (#2)

* feat: add Docker setup and authentication validation for MCP MetricFlow server

* feat: add tests for API key authentication and rate limiting in app lifespan

Author: datnguye

.env.template

@@ -9,10 +9,19 @@ DBT_PROFILES_DIR=~/.dbt
 # Path to the MetricFlow executable (optional, defaults to 'mf')
 MF_PATH=mf
 
-# Path to temporary directory for query results (optional, defaults to ~/.dbt/metricflow)
-MF_TMP_DIR=~/.dbt/metricflow
+# Path to temporary directory for query results (optional, defaults to /tmp)
+MF_TMP_DIR=/tmp
 
+# SSE Server Configuration (only needed for SSE mode)
 # Host to bind to for SSE mode (optional, defaults to '0.0.0.0')
 MCP_HOST=0.0.0.0
 # Port to bind to for SSE mode (optional, defaults to 8000)
-MCP_PORT=8000
+MCP_PORT=8000
+
+# API Key Authentication Configuration (for SSE mode)
+# Whether to require API key authentication (true/false, defaults to false)
+MCP_REQUIRE_AUTH=false
+# API key for authentication (required if MCP_REQUIRE_AUTH=true)
+# Must be at least 32 characters long and contain only alphanumeric characters, hyphens, or underscores
+# Generate with: python -c "import secrets; print(secrets.token_urlsafe(32))"
+MCP_API_KEY=

docs/jaffle-shop-setup/Dockerfile

@@ -0,0 +1,34 @@
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Clone the mcp-metricflow repository
+RUN git clone https://github.com/datnguye/mcp-metricflow.git .
+
+# Install uv
+RUN pip install uv
+
+# Install dependencies
+RUN uv sync --all-extras
+
+# Copy the dbt project
+COPY . /dbt-project
+
+# Set environment variables
+ENV DBT_PROJECT_DIR=/dbt-project
+ENV DBT_PROFILES_DIR=/root/.dbt
+ENV MF_PATH=mf
+ENV MF_TMP_DIR=/tmp
+
+# Create .dbt directory and copy profiles
+RUN mkdir -p /root/.dbt
+COPY profiles.yml /root/.dbt/profiles.yml
+
+# Default command for STDIO mode
+CMD ["uv", "run", "python", "src/main_stdio.py"]