Dockerfile

# Globomantics Robotics API Dockerfile
# Multi-stage build for optimized production image

# Stage 1: Dependencies
FROM node:18-alpine AS dependencies
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install production dependencies
RUN npm ci --only=production && npm cache clean --force

# Stage 2: Build
FROM node:18-alpine AS build
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including dev)
RUN npm ci

# Copy source code
COPY . .

# Run tests
RUN npm test

# Stage 3: Production
FROM node:18-alpine AS production

# Set environment
ENV NODE_ENV=production \
    PORT=3000

# Create app directory
WORKDIR /app

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

# Copy dependencies from dependencies stage
COPY --from=dependencies --chown=nodejs:nodejs /app/node_modules ./node_modules

# Copy application code
COPY --chown=nodejs:nodejs src ./src
COPY --chown=nodejs:nodejs package*.json ./
COPY --chown=nodejs:nodejs LICENSE ./
COPY --chown=nodejs:nodejs README.md ./

# Switch to non-root user
USER nodejs

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start application
CMD ["node", "src/server.js"]