Fix Dockerfile: handle assets:precompile failure gracefully

- Skip assets precompile during build if it fails
- Add .precompile_pending marker file
- Update entrypoint.sh to check and compile assets at runtime
- Assets will be compiled after database is ready

Author: WUHINS

Dockerfile

@@ -102,8 +102,12 @@ COPY . .
 RUN bundle config set --local deployment 'true' && \
     bundle config set --local without 'development test'
 
-# 编译前端资源
-RUN bundle exec rake assets:precompile
+# 编译前端资源（跳过需要数据库的初始化）
+ENV DISABLE_DATABASE_ENVIRONMENT_CHECK=1
+RUN bundle exec rake assets:precompile 2>/dev/null || \
+    (echo "Assets precompile skipped - will run at runtime" && \
+     mkdir -p public/assets && \
+     touch public/assets/.precompile_pending)
 
 # =============================================================================
 # 生产环境阶段

docker/entrypoint.sh

@@ -61,9 +61,15 @@ init_database() {
 # 编译前端资源
 precompile_assets() {
     if [ "$RAILS_ENV" = "production" ]; then
-        log_info "Precompiling assets..."
-        bundle exec rake assets:precompile
-        log_info "Asset precompilation complete!"
+        # 检查是否需要编译资源
+        if [ -f "public/assets/.precompile_pending" ] || [ ! -d "public/assets" ] || [ -z "$(ls -A public/assets 2>/dev/null)" ]; then
+            log_info "Precompiling assets..."
+            bundle exec rake assets:precompile
+            rm -f public/assets/.precompile_pending
+            log_info "Asset precompilation complete!"
+        else
+            log_info "Assets already precompiled, skipping..."
+        fi
     fi
 }