# syntax=docker.io/docker/dockerfile:1

# Use multi-stage build for optimization
FROM oven/bun:1.2.10-alpine AS base

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app

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

# Install dependencies
RUN bun install --frozen-lockfile --production=false

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app

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

# Configure Next.js for standalone output
ENV NEXT_TELEMETRY_DISABLED=1

# Build the application
RUN bun run build

# Production image, copy all the files and run next
FROM oven/bun:1.2.10-alpine AS runner
WORKDIR /app

# Create non-root user for security
# RUN addgroup --system --gid 1001 nodejs
# RUN adduser --system --uid 1001 nextjs

# Copy necessary files from builder stage
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Set environment variables
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Switch to non-root user
USER bun

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
  CMD bun --version || exit 1

# Start the application
CMD ["bun", "run", "server.js"]