Add consent-first analytics privacy controls

Dockerfile

@@ -9,11 +9,9 @@ RUN pnpm install --frozen-lockfile
 FROM node:22-alpine AS build
 WORKDIR /app
 RUN corepack enable && corepack prepare pnpm@10.33.2 --activate
-ARG VITE_PLIMI_REPO_URL=https://github.com/your-org/plimi
-ENV VITE_PLIMI_REPO_URL=$VITE_PLIMI_REPO_URL
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
-RUN pnpm build
+RUN --mount=type=secret,id=vite_env,target=/app/.env,required=true pnpm build
 
 FROM nginx:1.27-alpine AS runtime
 COPY nginx.conf /etc/nginx/conf.d/default.conf