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# Multi-stage build for optimized production image
FROM node:18-alpine AS builder
# Set working directory
WORKDIR /app
# Copy package files
COPY package.json ./
COPY package-lock.json* ./
COPY tsconfig.json ./
# Install all dependencies (including devDependencies for build)
# Use npm ci if package-lock.json exists, otherwise use npm install
RUN if [ -f package-lock.json ]; then \
npm ci --legacy-peer-deps; \
else \
npm install --legacy-peer-deps; \
fi
# Copy source code
COPY src ./src
# Build TypeScript to JavaScript
RUN npm run build
# Production stage
FROM node:18-alpine
# Set working directory
WORKDIR /app
# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init
# Copy package files
COPY package.json ./
COPY package-lock.json* ./
# Install production dependencies only
# Use npm ci if package-lock.json exists, otherwise use npm install
RUN if [ -f package-lock.json ]; then \
npm ci --only=production --legacy-peer-deps && npm cache clean --force; \
else \
npm install --only=production --legacy-peer-deps && npm cache clean --force; \
fi
# Copy built files from builder stage
COPY --from=builder /app/dist ./dist
# Copy migration and data files (if needed)
COPY migration.sql ./
COPY data ./data
# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
adduser -S nodejs -u 1001 && \
chown -R nodejs:nodejs /app
# Switch to non-root user
USER nodejs
# Expose port (HuggingFace Spaces uses 7860 by default)
EXPOSE 7860
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
CMD node -e "require('http').get('http://localhost:7860/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})" || exit 1
# Use dumb-init to handle signals properly
ENTRYPOINT ["dumb-init", "--"]
# Start the application
CMD ["node", "dist/index.js"]
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