Dockerfile

# Build stage
FROM node:20-slim AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including dev dependencies for building)
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:20-slim

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install only production dependencies
RUN npm ci --only=production

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist

# Copy required config files
COPY smithery.yaml ./

# Copy .well-known directory for Smithery discovery
COPY .well-known ./.well-known

# Copy healthcheck script
COPY scripts/healthcheck.js ./scripts/

# Set environment variables
ENV NODE_ENV=production
ENV PORT=8081
# Bind to 0.0.0.0 to allow external connections in Docker/Cloud environments
ENV BIND_HOST=0.0.0.0

# Expose Smithery's expected port (8081)
EXPOSE 8081

# Add health check for container readiness
# Checks /health endpoint every 10 seconds with 3 second timeout
# Allows 30 seconds for initial startup before first check
HEALTHCHECK --interval=10s --timeout=3s --start-period=30s --retries=3 \
  CMD node scripts/healthcheck.js

# Run the application in Streamable HTTP mode
# Respects PORT environment variable (defaults to 8081 if not set)
# Allows flexibility for custom port configuration in different deployment scenarios
CMD ["node", "dist/index.js", "--transport", "streamable-http"]