playground working

Dockerfile

@@ -4,10 +4,17 @@ EXPOSE 80
 
 FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
 
-RUN apt-get update  && \
-  apt-get install curl gnupg -yq && \
-  curl -sL https://deb.nodesource.com/setup_14.x | bash - && \
-  apt-get install -y nodejs
+RUN set -uex \
+    && apt-get update \
+    && apt-get install -y ca-certificates curl gnupg \
+    && mkdir -p /etc/apt/keyrings \
+    && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key \
+     | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg \
+    && NODE_MAJOR=18 \
+    && echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" \
+     | tee /etc/apt/sources.list.d/nodesource.list \
+    && apt-get update \
+    && apt-get install nodejs -y;
 
 WORKDIR /build
 COPY ./Directory.Build.props ./Directory.Packages.props ./