Update Dockerfile

Dockerfile

@@ -1,14 +1,16 @@
 FROM ubuntu:latest
 ENTRYPOINT ["/bin/bash"]
+
 RUN \
-apt update && \
-apt -y upgrade && \
-apt -y install bash build-essential clang cmake cppcheck curl gdb git gperf \
-iputils-ping libboost-all-dev libgl1-mesa-dev libjemalloc2 libjemalloc-dev libmlpack-dev \
-linux-tools-generic nano valgrind wget spawn-fcgi libfcgi-dev \
-qt5-default && \
-apt -y autoremove && \
-apt -y autoclean && \
-apt -y clean && \
-rm -rf /var/lib/apt/lists/* && \
-exit 0
+    export DEBIAN_FRONTEND=noninteractive && \
+    apt update && \
+    apt -y upgrade && \
+    apt -y install bash build-essential clang cmake cppcheck curl gdb git gperf \
+    iputils-ping libboost-all-dev libgl1-mesa-dev libjemalloc2 libjemalloc-dev libmlpack-dev \
+    linux-tools-generic nano valgrind wget spawn-fcgi libfcgi-dev \
+    qt5-default && \
+    apt -y autoremove && \
+    apt -y autoclean && \
+    apt -y clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    exit 0