Add KeraLua dependency

Dockerfile

@@ -40,8 +40,13 @@ RUN find /app -name '*.xml' -delete
 FROM mcr.microsoft.com/dotnet/runtime:8.0 AS runtime
 
 RUN apt-get update \
-    && apt-get install -y \
-        libaio1 \
+    && apt-get install -y --no-install-recommends \
+       libaio1 \
+       liblua5.4-0 \
+       dpkg-dev \
+    && ARCH="$(dpkg-architecture -qDEB_HOST_MULTIARCH)" \
+    && DN_DIR=$(ls -d /usr/share/dotnet/shared/Microsoft.NETCore.App/* 2>/dev/null | head -n1 || true) \
+    && if [ -n "$DN_DIR" ]; then ln -sf "/usr/lib/${ARCH}/liblua5.4.so.0" "$DN_DIR/liblua54.so"; fi \
     && rm -rf /var/lib/apt/lists/*
 
 RUN mkdir /data /app \

Dockerfile.alpine

@@ -40,7 +40,13 @@ RUN find /app -name '*.xml' -delete
 FROM mcr.microsoft.com/dotnet/runtime:8.0-alpine AS runtime
 
 # Install dependencies
-RUN apk update && apk add --upgrade libaio gcompat
+RUN apk update && apk add --no-cache \
+      libaio \
+      gcompat \
+      lua5.4-libs \
+    && ARCH="$(apk --print-arch)" \
+    && DN_DIR=$(ls -d /usr/share/dotnet/shared/Microsoft.NETCore.App/* 2>/dev/null | head -n1 || true) \
+    && if [ -n "$DN_DIR" ]; then ln -sf "/usr/lib/liblua-5.4.so.0" "$DN_DIR/liblua54.so"; fi
 
 RUN mkdir /data /app \
     && chown -R $APP_UID:$APP_UID /data /app

Dockerfile.cbl-mariner

@@ -36,9 +36,23 @@ RUN dotnet publish -a $TARGETARCH -c Release -o /app --no-restore --self-contain
 # Delete xmldoc files
 RUN find /app -name '*.xml' -delete
 
+# --- Lua builder stage ---
+FROM ubuntu:22.04 AS lua-builder
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends liblua5.4-0 dpkg-dev \
+    && ARCH="$(dpkg-architecture -qDEB_HOST_MULTIARCH)" \
+    && mkdir -p /lua \
+    && cp "/usr/lib/${ARCH}/liblua5.4.so.0" /lua/ \
+    && ln -sf "liblua5.4.so.0" /lua/liblua54.so \
+    && rm -rf /var/lib/apt/lists/*
+
 # Final stage/image
 FROM mcr.microsoft.com/dotnet/runtime:8.0-cbl-mariner2.0 AS runtime
 
+COPY --from=lua-builder /lua /lua
+RUN DN_DIR=$(ls -d /usr/share/dotnet/shared/Microsoft.NETCore.App/* | head -n1) \
+    && cp /lua/liblua54.so "$DN_DIR/liblua54.so"
+
 # Install libaio
 RUN tdnf install -y libaio && tdnf clean all
 

Dockerfile.chiseled

@@ -40,11 +40,31 @@ RUN dotnet publish -a $TARGETARCH -c Release -o /app --no-restore --self-contain
 # Delete xmldoc files
 RUN find /app -name '*.xml' -delete
 
+# --- Lua builder stage ---
+FROM ubuntu:22.04 AS lua-builder
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends liblua5.4-0 dpkg-dev \
+    && ARCH="$(dpkg-architecture -qDEB_HOST_MULTIARCH)" \
+    && mkdir -p /lua \
+    && cp "/usr/lib/${ARCH}/liblua5.4.so.0" /lua/ \
+    && ln -sf "liblua5.4.so.0" /lua/liblua54.so \
+    && rm -rf /var/lib/apt/lists/*
+
+# --- .NET build and layout prep ---
+FROM mcr.microsoft.com/dotnet/runtime:8.0-jammy AS prep-runtime
+
+# prep-runtime image HAS /bin/sh, so we can script here
+COPY --from=lua-builder /lua /lua
+RUN DN_DIR=$(ls -d /usr/share/dotnet/shared/Microsoft.NETCore.App/* | head -n1) \
+    && cp /lua/liblua54.so "$DN_DIR/liblua54.so"
+
 # Final stage/image
 FROM mcr.microsoft.com/dotnet/runtime:8.0-jammy-chiseled AS runtime
 WORKDIR /app
 
 COPY --from=build --chown=$APP_UID:$APP_UID /data /data
+# Copy the pre-symlinked .NET shared directory from prep-runtime
+COPY --from=prep-runtime /usr/share/dotnet/shared /usr/share/dotnet/shared
 COPY --from=build /app .
 
 VOLUME /data

Dockerfile.ubuntu

@@ -46,6 +46,15 @@ FROM mcr.microsoft.com/dotnet/runtime:8.0-jammy AS runtime
 # Copy libaio1 from amd64 builder stage (avoiding installation under QEMU)
 COPY --from=builder /usr/lib/x86_64-linux-gnu/libaio.so.1 /usr/lib/x86_64-linux-gnu/
 
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+       liblua5.4-0 \
+       dpkg-dev \
+    && ARCH="$(dpkg-architecture -qDEB_HOST_MULTIARCH)" \
+    && DN_DIR=$(ls -d /usr/share/dotnet/shared/Microsoft.NETCore.App/* 2>/dev/null | head -n1 || true) \
+    && if [ -n "$DN_DIR" ]; then ln -sf "/usr/lib/${ARCH}/liblua5.4.so.0" "$DN_DIR/liblua54.so"; fi \
+    && rm -rf /var/lib/apt/lists/*
+
 RUN mkdir /data /app \
     && chown -R $APP_UID:$APP_UID /data /app