FROM node:22-alpine AS builder

WORKDIR /app

COPY package.frontend.json ./package.json

RUN npm install --legacy-peer-deps || npm install --legacy-peer-deps

COPY src ./src
COPY public ./public
COPY index.html ./
COPY vite.config.js ./
COPY tsconfig.json ./

ENV VITE_BACKEND_URL=__VITE_BACKEND_URL__
RUN npm run build

FROM node:22-alpine AS runner

WORKDIR /app

RUN npm install -g serve

COPY --from=builder /app/build ./build

EXPOSE ${FRONTEND_PORT:-5173}

CMD ["sh", "-c", "BACKEND=\"${VITE_BACKEND_URL:-${BACKEND_URL:-http://localhost:8080}}\"; grep -rl '__VITE_BACKEND_URL__' build 2>/dev/null | xargs -r sed -i \"s|__VITE_BACKEND_URL__|${BACKEND}|g\"; exec serve -s build -l ${FRONTEND_PORT:-5173}"]