tmate-slave Dockerfile on Debian Jessie

Dockerfile

FROM debian:jessie

ENV DEVTOOLS git-core build-essential pkg-config libtool libevent-dev \
    libncurses-dev zlib1g-dev automake cmake ruby libssl-dev

RUN apt-get update && apt-get install --yes --no-install-recommends $DEVTOOLS \
        libssl1.0.0 libevent-2.0-5 libncurses5 &&\
    rm -rf /var/lib/apt/lists/* &&\

    mkdir -p /src &&\

    cd /src &&\
    git clone https://git.libssh.org/projects/libssh.git libssh &&\
    cd libssh &&\
    mkdir build &&\
    cd build &&\
    cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Debug .. &&\
    make && make install &&\

    cd /src &&\
    git clone https://github.com/msgpack/msgpack-c.git &&\
    cd msgpack-c &&\
    git checkout cpp-1.4.2 &&\
    ./bootstrap &&\
    ./configure &&\
    make &&\
    make install &&\

    cd /src &&\
    git clone https://github.com/tmate-io/tmate-slave.git &&\
    cd tmate-slave &&\
    ./autogen.sh &&\
    ./configure &&\
    make &&\
    make install &&\

    apt-get purge -y --auto-remove $DEVTOOLS &&\
    rm -rf /src