# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package.json package-lock.json* yarn.lock* pnpm-lock.yaml* ./

# Install dependencies
RUN npm ci || npm install

# Copy source code
COPY . .

# Generate Prisma client
RUN npx prisma generate

# Build Next.js
RUN npm run build

# Runtime stage
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nextjs -u 1001

# Copy built application from builder
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/prisma ./prisma
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/.prisma ./node_modules/.prisma

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

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME=0.0.0.0

# Use dumb-init to handle signals properly
ENTRYPOINT ["dumb-init", "--"]

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