# Use bun as the base image
FROM oven/bun:1 AS base

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

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

# Install dependencies
RUN bun install

# Build the application
FROM base AS builder
WORKDIR /app

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

# Build Next.js application
RUN bun run build

# Production image
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

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

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

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

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start the application
CMD ["bun", "run", "start"]