hugo, capitalize RUN commands.

Config/HugoExample/Dockerfile

@@ -10,7 +10,7 @@ USER root
 ARG DEBIAN_FRONTEND=noninteractive
 
 # System Dependencies
-run echo "Install Dependencies"
+RUN echo "Install Dependencies"
 RUN apt-get update && \
     apt-get install -y \
         git nginx cron curl bash sudo \
@@ -19,11 +19,11 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 # Compile Hugo (same version Artix is currently shipping, rather than latest.)
-run echo "Compile Hugo"
+RUN echo "Compile Hugo"
 RUN CGO_ENABLED=1 go install -tags extended github.com/gohugoio/hugo@v0.164.0
 
 # Install Hugo
-run echo "Install Hugo"
+RUN echo "Install Hugo"
 RUN mv -v $HOME/go/bin/hugo /usr/local/bin/hugo && \
     chmod -v 755 /usr/local/bin/hugo