brainy/examples/docker-deployment/Dockerfile

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Docker

# Multi-stage Dockerfile for Brainy with embedded models
FROM node:24-slim AS builder
# Set working directory
WORKDIR /app
# Copy package files
COPY package*.json ./
# Install dependencies including @soulcraft/brainy-models
RUN npm ci --only=production
# Copy application code
COPY . .
# Create models directory and copy models from node_modules
# This ensures models are included even when node_modules is ignored
RUN mkdir -p /app/models && \
if [ -d "./node_modules/@soulcraft/brainy-models" ]; then \
echo "Copying models from @soulcraft/brainy-models..."; \
cp -r ./node_modules/@soulcraft/brainy-models/models/* /app/models/ || \
cp -r ./node_modules/@soulcraft/brainy-models/* /app/models/ || \
echo "Models structure may vary, copying entire package"; \
else \
echo "⚠️ @soulcraft/brainy-models not found - will fall back to remote loading"; \
fi
# Production stage
FROM node:24-slim AS production
# Set working directory
WORKDIR /app
# Copy package files
COPY package*.json ./
# Install only production dependencies (without @soulcraft/brainy-models to save space)
RUN npm ci --only=production --omit=optional && \
npm cache clean --force
# Copy application code
COPY . .
# Copy models from builder stage
COPY --from=builder /app/models /app/models
# Set environment variable to use custom models path
ENV BRAINY_MODELS_PATH=/app/models
# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
adduser -S brainy -u 1001
# Change ownership of the app directory
RUN chown -R brainy:nodejs /app
USER brainy
# Expose port (adjust as needed)
EXPOSE 3000
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD node -e "console.log('Health check passed')" || exit 1
# Start the application
CMD ["node", "dist/your-app.js"]