use fewer layers and remove apt cache
also use full-upgrade to ensure all conflicts are resolved
MODIFY
Dockerfile
Dockerfile
@@ -11,7 +11,7 @@ LABEL "about"="AFLplusplus docker image"
ARG DEBIAN_FRONTEND=noninteractive
-RUN apt-get update && apt-get upgrade -y && \
+RUN apt-get update && \
apt-get -y install --no-install-suggests --no-install-recommends \
automake \
bison flex \
@@ -23,7 +23,8 @@ RUN apt-get update && apt-get upgrade -y && \
wget vim jupp nano bash-completion \
apt-utils apt-transport-https ca-certificates gnupg dialog \
libpixman-1-dev \
- gnuplot-nox
+ gnuplot-nox \
+ && rm -rf /var/lib/apt/lists/*
RUN echo deb http://apt.llvm.org/focal/ llvm-toolchain-focal-11 main >> /etc/apt/sources.list && \
wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
@@ -31,16 +32,15 @@ RUN echo deb http://apt.llvm.org/focal/ llvm-toolchain-focal-11 main >> /etc/apt
RUN echo deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu focal main >> /etc/apt/sources.list && \
apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 1E9377A2BA9EF27F
-RUN apt-get update && apt-get upgrade -y
-
-RUN apt-get install -y gcc-10 g++-10 gcc-10-plugin-dev gcc-10-multilib \
- libc++-10-dev gdb lcov
-
-RUN apt-get install -y clang-11 clang-tools-11 libc++1-11 libc++-11-dev \
+RUN apt-get update && apt-get full-upgrade -y && \
+ apt-get -y install --no-install-suggests --no-install-recommends \
+ gcc-10 g++-10 gcc-10-plugin-dev gcc-10-multilib libc++-10-dev gdb lcov \
+ clang-11 clang-tools-11 libc++1-11 libc++-11-dev \
libc++abi1-11 libc++abi-11-dev libclang1-11 libclang-11-dev \
libclang-common-11-dev libclang-cpp11 libclang-cpp11-dev liblld-11 \
liblld-11-dev liblldb-11 liblldb-11-dev libllvm11 libomp-11-dev \
- libomp5-11 lld-11 lldb-11 llvm-11 llvm-11-dev llvm-11-runtime llvm-11-tools
+ libomp5-11 lld-11 lldb-11 llvm-11 llvm-11-dev llvm-11-runtime llvm-11-tools \
+ && rm -rf /var/lib/apt/lists/*
RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 0
RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 0

use fewer layers and remove apt cache

also use full-upgrade to ensure all conflicts are resolved