# Stage 1: Build
FROM node:18-slim AS builder

WORKDIR /app

# Copy dependencies first to cache better
COPY package.json package-lock.json ./
RUN npm install

# Copy all source code
COPY . .

# Build the Next.js app
RUN npm run build


# Stage 2: Run production image
FROM node:18-slim

WORKDIR /app

COPY --from=builder /app/package.json /app/package-lock.json ./
RUN npm install --omit=dev

COPY --from=builder /app/.next .next
COPY --from=builder /app/public public
COPY --from=builder /app/next.config.ts ./
COPY --from=builder /app/src src

EXPOSE 3000

CMD ["npx", "next", "start"]