feat(lua-client): 新增 Lua 客户端 SDK 及 demo，修复 Dockerfile 构建问题

Dockerfile.lua

@@ -1,10 +1,14 @@
 # Build stage
-FROM lua:5.4 AS build
+FROM alpine:3.20 AS build
 
 WORKDIR /src
 
-# Install build dependencies
-RUN apk add --no-cache git
+# Install Lua and dependencies
+RUN apk add --no-cache lua5.4 lua5.4-dev luarocks5.4 git build-base
+
+# Create symlinks
+RUN ln -sf /usr/bin/lua5.4 /usr/bin/lua && \
+    ln -sf /usr/bin/luarocks-5.4 /usr/bin/luarocks
 
 # Copy client library
 COPY kenaito-conf-lua-client/ ./kenaito-conf-lua-client/
@@ -19,10 +23,16 @@ WORKDIR /src
 COPY kenaito-conf-lua-client-demo/ ./kenaito-conf-lua-client-demo/
 
 # Runtime stage
-FROM lua:5.4
+FROM alpine:3.20
 
 WORKDIR /app
 
+# Install Lua runtime
+RUN apk add --no-cache lua5.4
+
+# Create symlink
+RUN ln -sf /usr/bin/lua5.4 /usr/bin/lua
+
 # Copy Lua modules from build stage
 COPY --from=build /usr/local/share/lua/5.4 /usr/local/share/lua/5.4
 COPY --from=build /usr/local/lib/lua/5.4 /usr/local/lib/lua/5.4

README_DOCKERFILE.md

@@ -86,7 +86,7 @@ docker run -it --rm \
   kenaito-conf-perl-demo
 ```
 
-## Lua 客户端
+## Lua 客户端（测试通过）
 
 ```bash
 docker build -f Dockerfile.lua -t kenaito-conf-lua-demo .

kenaito-conf-lua-client/kenaito-conf-1.0.3-1.rockspec

@@ -0,0 +1,36 @@
+package = "kenaito-conf"
+version = "1.0.3-1"
+
+source = {
+    url = "git://github.com/odboy/kenaito-conf.git",
+    tag = "v1.0.3",
+    dir = "kenaito-conf-lua-client"
+}
+
+description = {
+    summary = "Kenaito Config Center Lua Client",
+    detailed = [[
+        Lua client SDK for Kenaito Config Center.
+        Supports config fetching, caching, and change notification.
+    ]],
+    homepage = "https://github.com/odboy/kenaito-conf",
+    license = "Apache-2.0",
+    maintainer = "odboy <tianjun@odboy.cn>"
+}
+
+dependencies = {
+    "lua >= 5.1",
+    "luasocket",
+    "dkjson"
+}
+
+build = {
+    type = "builtin",
+    modules = {
+        ["kenaito_conf"] = "kenaito_conf/init.lua",
+        ["kenaito_conf.client"] = "kenaito_conf/client.lua",
+        ["kenaito_conf.config"] = "kenaito_conf/config.lua",
+        ["kenaito_conf.cache"] = "kenaito_conf/cache.lua",
+        ["kenaito_conf.listener"] = "kenaito_conf/listener.lua"
+    }
+}