# Production Dockerfile for SerpentRace Backend
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

# Install dependencies needed for native modules
RUN apk add --no-cache python3 make g++

# Copy package files
COPY package.json package-lock.json* ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY . .

# Build the application
RUN npm run build || echo "No build script found"

# Production stage
FROM node:20-alpine AS production

# Set working directory
WORKDIR /app

# Install dependencies needed for native modules
RUN apk add --no-cache python3 make g++

# Copy package files
COPY package.json package-lock.json* ./

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

# Copy built application or source files
COPY --from=builder /app/src ./src
COPY --from=builder /app/package.json ./

# Create logs directory
RUN mkdir -p logs

# Create non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S serpentrace -u 1001
RUN chown -R serpentrace:nodejs /app
USER serpentrace

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:3000/health || exit 1

# Production command
CMD ["npm", "start"]