# Multi-stage build for Next.js application with Bun

# Stage 1: Dependencies
FROM oven/bun:1-alpine AS deps
WORKDIR /app

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

# Install dependencies with Bun
RUN bun install --frozen-lockfile

# Stage 2: Builder
FROM oven/bun:1-alpine AS builder
WORKDIR /app

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

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

# Build the application with --bun flag to use Bun runtime
RUN bun --bun run build

# Stage 3: Runner
FROM oven/bun:1-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Create a non-root user
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/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Create data directory for SQLite database
RUN mkdir -p /app/data && chown -R nextjs:nodejs /app/data

# Change ownership to nextjs user
RUN chown -R nextjs:nodejs /app

# Switch to non-root user
USER nextjs

# Expose port 3000
EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start the application with Bun runtime
CMD ["bun", "--bun", "run", "server.js"]