feat: add sitemap / robots.txt etc etc

Dockerfile

@@ -5,6 +5,9 @@ RUN apk add --no-cache openssl
 
 ARG NEXT_PUBLIC_API_URL
 ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL:-http://localhost:3001/api/v1}
+# Public address of the dashboard, for the sitemap, robots.txt and link previews
+ARG NEXT_PUBLIC_SITE_URL
+ENV NEXT_PUBLIC_SITE_URL=${NEXT_PUBLIC_SITE_URL:-https://kooltap.com}
 
 COPY pnpm-workspace.yaml package.json tsconfig.base.json pnpm-lock.yaml ./
 COPY packages/shared/package.json packages/shared/
@@ -50,7 +53,7 @@ WORKDIR /app
 COPY --from=builder /app/apps/dashboard/.next ./.next
 COPY --from=builder /app/apps/dashboard/package.json ./
 COPY --from=builder /app/apps/dashboard/next.config.js ./
-RUN mkdir -p public
+COPY --from=builder /app/apps/dashboard/public ./public
 
 COPY --from=builder /app/pnpm-lock.yaml ./
 COPY --from=builder /app/pnpm-workspace.yaml ./