FROM node:20-alpine

WORKDIR /app

ARG NEXT_PUBLIC_BACKEND_URL="http://localhost:4100"
ENV NEXT_PUBLIC_BACKEND_URL=${NEXT_PUBLIC_BACKEND_URL}

COPY package.json ./
COPY tsconfig.json ./
COPY next.config.js ./
COPY next-env.d.ts ./
COPY app ./app

RUN npm install
RUN npm run build

ENV PORT=3000
EXPOSE 3000

CMD ["npm", "run", "start"]