From 302e05fe1fc421703411471b9cd0b619a8a64347 Mon Sep 17 00:00:00 2001
From: xfy <i@rua.plus>
Date: Thu, 16 Jul 2026 18:16:35 +0800
Subject: [PATCH] =?UTF-8?q?fix(docker):=20=E8=A1=A5=E9=BD=90=20Dockerfile?=
 =?UTF-8?q?=20=E7=BC=BA=E5=A4=B1=E7=9A=84=20katex-css=20=E4=B8=8E=20restor?=
 =?UTF-8?q?e-webp=20=E6=AD=A5=E9=AA=A4?=
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对齐 make build-linux 流水线，修两个同步遗漏：

- katex-css：镜像缺此步导致 $...$/$$...$$ 渲染成裸 span，无 KaTeX
  字体排版。
- restore-webp：dx 0.7.9 会把 public/*.webp 重编码成 VP8L 静图（动画帧
  丢失、体积反增 7-8×），需用源文件覆盖回 dx 产物目录后再拷贝。

两处均在注释中标注 keep in sync with make build-linux。
---
 Dockerfile | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 4825286..e71c576 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -144,15 +144,20 @@ RUN cd libs && pnpm install --frozen-lockfile
 # Copy the rest of the source tree and build everything.
 COPY . .
 
-# Build all 4 JS libs, syntax-highlight CSS and Tailwind stylesheet.
-# These steps produce the contents of the public/ directory.
-RUN make build-libs && make highlight-css && tailwindcss -i input.css -o public/style.css --minify
+# Build all 4 JS libs, syntax-highlight CSS, KaTeX CSS + fonts and Tailwind
+# stylesheet. These steps produce the contents of the public/ directory.
+# Must stay in sync with make build-linux — katex-css was previously missing,
+# which left math rendering as bare spans without KaTeX fonts.
+RUN make build-libs && make highlight-css && make katex-css && tailwindcss -i input.css -o public/style.css --minify
 
 # Build the client-side Dioxus WASM bundle. We use dx only for the client assets;
 # dx's linker wrapper is incompatible with a raw static linker, so the server
 # binary is built with plain cargo in the next step. The client build emits a
 # ready-to-serve public/ directory under target/dx/yggdrasil/*/web/public.
+# restore-webp overwrites dx's re-encoded VP8L .webp stills with the source
+# originals — keep in sync with make build-linux, which runs the same target.
 RUN dx build @client --release --debug-symbols=false --wasm-js-cfg false && \
+    make restore-webp && \
     mkdir -p /build/dist/public && \
     cp -r /build/target/dx/yggdrasil/*/web/public/* /build/dist/public/