Installing Java from Oracle

Docker-Java.txt

# Download and unarchive Java
RUN mkdir /opt && curl -jksSLH "Cookie: oraclelicense=accept-securebackup-cookie"\
  http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz \
    | tar -xzf - -C /opt &&\
    ln -s /opt/jdk1.7.0_79 /opt/jdk &&\
    rm -rf /opt/jdk/*src.zip \
           /opt/jdk/lib/missioncontrol \
           /opt/jdk/lib/visualvm \
           /opt/jdk/lib/*javafx* \
           /opt/jdk/jre/lib/plugin.jar \
           /opt/jdk/jre/lib/ext/jfxrt.jar \
           /opt/jdk/jre/bin/javaws \
           /opt/jdk/jre/lib/javaws.jar \
           /opt/jdk/jre/lib/desktop \
           /opt/jdk/jre/plugin \
           /opt/jdk/jre/lib/deploy* \
           /opt/jdk/jre/lib/*javafx* \
           /opt/jdk/jre/lib/*jfx* \
           /opt/jdk/jre/lib/amd64/libdecora_sse.so \
           /opt/jdk/jre/lib/amd64/libprism_*.so \
           /opt/jdk/jre/lib/amd64/libfxplugins.so \
           /opt/jdk/jre/lib/amd64/libglass.so \
           /opt/jdk/jre/lib/amd64/libgstreamer-lite.so \
           /opt/jdk/jre/lib/amd64/libjavafx*.so \
           /opt/jdk/jre/lib/amd64/libjfx*.so \
    && addgroup -g 999 app && adduser -D  -G app -s /bin/false -u 999 app \
    && rm -rf /tmp/* \
    && rm -rf /var/cache/apk/* \
    && echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf