# --- ÉTAPE 1 : BUILD ---
FROM node:20-alpine AS build-stage
RUN apk update && apk add --no-cache \
    build-base gcc autoconf automake zlib-dev libpng-dev vips-dev git > /dev/null 2>&1

ARG NODE_ENV=production
ENV NODE_ENV=${NODE_ENV}

WORKDIR /opt/app
COPY package.json yarn.lock ./
RUN yarn install --frozen-lockfile
COPY . .
RUN yarn build

# --- ÉTAPE 2 : RUNTIME (L'image finale) ---
FROM node:20-alpine AS runtime-stage
RUN apk add --no-cache vips-dev libpng libjpeg-turbo

ARG NODE_ENV=production
ENV NODE_ENV=${NODE_ENV}

WORKDIR /opt/app

# ASTUCE : On copie et on change le propriétaire EN MÊME TEMPS
# On ne prend que ce qui est utile pour l'exécution
COPY --from=build-stage --chown=node:node /opt/app/node_modules ./node_modules
COPY --from=build-stage --chown=node:node /opt/app/dist ./dist
COPY --from=build-stage --chown=node:node /opt/app/build ./build
COPY --from=build-stage --chown=node:node /opt/app/package.json ./
COPY --from=build-stage --chown=node:node /opt/app/public ./public

# On expose le binaire
ENV PATH=/opt/app/node_modules/.bin:$PATH

USER node
EXPOSE 1337

CMD ["yarn", "start"]