Update Dockerfile

Dockerfile

@@ -26,10 +26,8 @@ RUN rm -f /etc/apt/sources.list.d/*.list && \
     libx11-6 \
     build-essential \
     libsndfile-dev \
-    software-properties-common \
- && rm -rf /var/lib/apt/lists/*
-    
-RUN rm -rf /var/lib/apt/lists/*
+    software-properties-common && \
+    rm -rf /var/lib/apt/lists/*
 
 RUN wget -P /tmp "https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz" && \
     tar -C /usr/local -xzf "/tmp/go${GO_VERSION}.linux-amd64.tar.gz" && \