chore: remove unrequired dependencies

Dockerfile

@@ -17,7 +17,6 @@ RUN apt-get update \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-RUN mkdir /app
 RUN adduser nexus --system --group -u 1000 && mkdir -p /app
 RUN chown -R nexus:nexus /app