# ===================================
# MCP Hub — Dockerfile
# ===================================
# Multi-stage build for optimized image size
# Production-ready with security best practices
# ===================================
# Stage 1: Build stage
FROM python:3.12-alpine AS builder
# Install build dependencies
RUN apk add --no-cache \
gcc \
musl-dev \
libffi-dev \
openssl-dev
# Create build directory
WORKDIR /build
# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt
# Stage 2: Production stage
FROM python:3.12-alpine AS production
# CRITICAL: Install wget for health checks + docker-cli for WP-CLI tools
RUN apk add --no-cache wget curl docker-cli
# Create non-root user for security and grant Docker socket access
# Docker group (GID 999) allows access to /var/run/docker.sock
RUN addgroup -g 1001 appgroup && \
adduser -u 1001 -G appgroup -s /bin/sh -D appuser && \
addgroup -g 999 docker 2>/dev/null || true && \
adduser appuser docker 2>/dev/null || true
# Set working directory
WORKDIR /app
# Copy Python packages from builder
COPY --from=builder /root/.local /home/appuser/.local
# Copy application code
COPY --chown=appuser:appgroup . .
# Create data directories for API keys and logs with correct ownership
# This must be done before switching to non-root user
RUN mkdir -p /app/data /app/logs && \
chown -R appuser:appgroup /app/data /app/logs && \
chmod 755 /app/data /app/logs
# Make server.py executable
RUN chmod +x server.py
# Switch to non-root user
USER appuser
# Add local packages to PATH
ENV PATH=/home/appuser/.local/bin:$PATH
ENV PYTHONUNBUFFERED=1
# CRITICAL: EXPOSE port for Coolify
EXPOSE 8000
# CRITICAL: Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:8000/health || exit 1
# CRITICAL: Listen on 0.0.0.0 (not localhost!)
# Run server with streamable-http transport on port 8000
CMD ["python", "server.py", "--transport", "streamable-http", "--port", "8000", "--host", "0.0.0.0"]