# Dockerfile for Nuxt.js Application
# Multi-stage build for optimized image size

# Stage 1: Build Stage
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy application files
COPY . .

# Build the application
RUN npm run build

# Stage 2: Production Stage
FROM node:20-alpine AS runner

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install production dependencies only (skip postinstall script)
RUN npm ci --omit=dev --ignore-scripts

# Copy built application from builder stage
COPY --from=builder /app/.output /app/.output
COPY --from=builder /app/.nuxt /app/.nuxt
COPY --from=builder /app/nuxt.config.ts /app/nuxt.config.ts
COPY --from=builder /app/node_modules /app/node_modules

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nuxtjs -u 1001 && \
    chown -R nuxtjs:nodejs /app

# Switch to non-root user
USER nuxtjs

# Expose port
EXPOSE 3000

# Set environment variables
ENV NODE_ENV=production
ENV HOST=0.0.0.0
ENV PORT=3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start the application
CMD ["node", ".output/server/index.mjs"]