# Stage 1: Build the Next.js application
FROM node:20-alpine AS builder

WORKDIR /app

COPY package.json package-lock.json ./
RUN corepack enable
RUN npm install

COPY . .
ARG NEXT_PUBLIC_API_BASE_URL
ENV NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_API_BASE_URL
RUN echo "NEXT_PUBLIC_API_BASE_URL in Dockerfile build stage is: [$NEXT_PUBLIC_API_BASE_URL]"
RUN npm run build

# Stage 2: Production environment
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/package-lock.json ./package-lock.json

RUN corepack enable
RUN npm install

EXPOSE 3000

CMD ["npm", "start"]