Update Dockerfile

Dockerfile

@@ -6,7 +6,8 @@ ENV DEBIAN_FRONTEND=noninteractive
 # Core tools + Build Essentials
 # -----------------------------
 # Add apt-fast without interactive config
-RUN add-apt-repository -y ppa:apt-fast/stable \
+RUN apt-get update && apt-get install -y software-properties-common \
+    && add-apt-repository -y ppa:apt-fast/stable \
     && apt-get update \
     && DEBIAN_FRONTEND=noninteractive \
        apt-get -y install apt-fast \
@@ -14,6 +15,7 @@ RUN add-apt-repository -y ppa:apt-fast/stable \
     && echo "MAXNUM=10" | tee -a /etc/apt-fast.conf \
     && echo "USE_PIGZ=1" | tee -a /etc/apt-fast.conf \
     && echo "APTFAST_PARA_OPTS=(--max-connection-per-server=12 --split=5)" | tee -a /etc/apt-fast.conf
+
     
 RUN apt-fast update && apt-fast install -y \
     curl wget git git-lfs unzip sudo nano bash apt-fast \