# --- Étape 1 : compilation ---
FROM node:22-alpine AS build
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build && npm prune --omit=dev

# --- Étape 2 : image d'exécution, légère ---
FROM node:22-alpine
WORKDIR /app
ENV NODE_ENV=production
COPY --from=build /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY package.json ./
RUN mkdir -p uploads/formations && chown -R node:node uploads
USER node
EXPOSE 3000
CMD ["node", "dist/main.js"]
