# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package.json package-lock.json* ./
RUN npm ci

# Copy source files
COPY . .

# Set environment variables for build
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy necessary files from builder
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

# Set correct permissions
RUN chown -R nextjs:nodejs /app

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start Next.js server
CMD ["npm", "start"]