# Stage 1: Build
FROM node:22-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source code
COPY . .

# Build the Next.js application
RUN npm run build

# Stage 2: Production
FROM node:22-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

# Copy necessary files from builder
COPY --from=builder /app/next.config.ts ./
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

# Create a non-root user
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
USER appuser

EXPOSE 3000

CMD ["npm", "start"]