# ---- Build stage ----
FROM node:20-alpine AS build
WORKDIR /app

COPY package.json package-lock.json ./
RUN npm ci

COPY . .

# Which origin the built app sends its API calls to.
#
# Vite inlines env vars at build time, so this MUST be a build arg - setting it
# on the running container has no effect, the value is already baked into the
# JS bundle.
#
#   docker build --build-arg VITE_API_BASE_URL=https://mcp.nearle.ai.in .
#
# Left empty by default, which keeps requests relative and same-origin so the
# nginx /api/* proxy below serves them. Set it when the API is on its own
# domain - and add this app's origin to the backend's API_CORS_ORIGINS, or the
# browser will block the responses.
ARG VITE_API_BASE_URL=""
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL

RUN npm run build

# ---- Serve stage ----
FROM nginx:alpine
WORKDIR /usr/share/nginx/html

RUN rm -rf ./*
COPY --from=build /app/dist/ .
COPY nginx.conf /etc/nginx/nginx.conf

EXPOSE 80 3000
CMD ["nginx", "-g", "daemon off;"]