Fix NodeSource deprecation warning

Dockerfile

@@ -6,16 +6,13 @@ ENV PYTHONDONTWRITEBYTECODE=1
 ENV DEBIAN-FRONTEND noninteractive
 ENV PYTHONUNBUFFERED=1
 ENV PIP_NO_CACHE_DIR=1
-
-# Pin nodesource repo for nodejs
-# https://github.com/nodesource/distributions/issues/1579
-RUN echo "Package: nodejs" >> /etc/apt/preferences.d/nodesource && \
-    echo "Pin: origin deb.nodesource.com" >> /etc/apt/preferences.d/nodesource && \
-    echo "Pin-Priority: 600" >> /etc/apt/preferences.d/nodesource
+ENV NODE_MAJOR=16
 
 RUN apt-get update && \
-    apt-get install -y wget && \
-    wget -O - https://deb.nodesource.com/setup_16.x | bash - && \
+    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 && \
+    echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" > /etc/apt/sources.list.d/nodesource.list && \
     apt-get update && \
     apt-get install -y \
         gcc \