# Frontend Dockerfile - Next.js
FROM node:20-alpine AS deps

WORKDIR /app

# Install dependencies
COPY package*.json ./
RUN npm ci --only=production && \
    npm cache clean --force

# Development stage
FROM node:20-alpine AS development

WORKDIR /app

# Copy dependencies from deps stage
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Development command
EXPOSE 3000

CMD ["npm", "run", "dev"]

# Production build stage
FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci && \
    npm cache clean --force

COPY . .

# Build Next.js app
RUN npm run build

# Production stage
FROM node:20-alpine AS production

WORKDIR /app

ENV NODE_ENV=production

# Install production dependencies
COPY package*.json ./
RUN npm ci --only=production && \
    npm cache clean --force

# Copy built application
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/next.config.js ./
COPY --from=builder /app/package.json ./

# Copy node_modules from builder
COPY --from=builder /app/node_modules ./node_modules

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

USER nodejs

EXPOSE 3000

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

CMD ["npm", "start"]