FROM node:lts-alpine AS builder

WORKDIR /app

COPY package*.json ./
COPY frontend/package*.json ./frontend/

RUN npm ci

COPY frontend/ ./frontend/

RUN npm run build:frontend

FROM nginxinc/nginx-unprivileged:alpine

ENV BACKEND_HOST=backend \
    BACKEND_PORT=3001

COPY --from=builder /app/frontend/dist /usr/share/nginx/html
COPY docker/nginx.conf.template /etc/nginx/templates/default.conf.template

EXPOSE 3000

CMD ["nginx", "-g", "daemon off;"]