fix(docker): Windows entrypoint CRLF and admin invite link VITE_PLAYER_URL

Co-authored-by: Cursor <cursoragent@cursor.com>

docker/api/Dockerfile

@@ -39,7 +39,8 @@ COPY --from=builder /app/apps/api/node_modules ./apps/api/node_modules
 
 COPY uploads/banners ./uploads-default/banners
 COPY docker/api/entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
+# Windows checkouts may use CRLF; strip before chmod or Linux exec fails with "no such file".
+RUN sed -i 's/\r$//' /entrypoint.sh && chmod +x /entrypoint.sh
 
 WORKDIR /app/apps/api
 EXPOSE 3000