FROM node:20-alpine

WORKDIR /app

RUN npm config set registry https://registry.npmmirror.com

# Build-time API base for Vite (must be set before npm run build).
ARG VITE_FRONT_API_BASE_URL=/
ENV VITE_FRONT_API_BASE_URL=${VITE_FRONT_API_BASE_URL}

COPY package*.json ./
RUN npm install

COPY . .
RUN npm run build && \
    mkdir -p /opt/frontend_dist && \
    cp -r dist/. /opt/frontend_dist/

CMD ["sh", "-c", "rm -rf /app/dist/* && cp -r /opt/frontend_dist/. /app/dist && ls /app/dist"]