hugo, explicitly install ca-certificates so that hugo does not ail compiling, remove the no-install-recommends in case that's why the issue started in the first place.

Config/HugoExample/Dockerfile

@@ -11,9 +11,9 @@ ARG DEBIAN_FRONTEND=noninteractive
 
 # System Dependencies
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
+    apt-get install -y \
         git nginx cron curl bash sudo \
-        golang gcc && \
+        golang gcc ca-certificates && \
     rm -rf /var/lib/apt/lists/*
 
 # Compile Hugo