added docker scripts for ubuntu bionic

scripts/docker/build-ubuntu18/Dockerfile

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+ARG from=freeradius/ubuntu18-deps
+FROM ${from}
+
+ARG cc=gcc
+
+WORKDIR /usr/local/src/repositories/freeradius-server
+RUN CC=${cc} ./configure --prefix=/opt/freeradius
+RUN make -j2
+RUN make install
+WORKDIR /opt/freeradius/etc/raddb
+RUN sed -i -e 's/allow_vulnerable_openssl.*/allow_vulnerable_openssl = yes/' radiusd.conf
+WORKDIR certs
+RUN make
+WORKDIR /
+
+FROM ${from}
+COPY --from=0 /opt/freeradius /opt/freeradius
+
+EXPOSE 1812/udp 1813/udp
+CMD ["/opt/freeradius/sbin/radiusd", "-X"]
+

scripts/docker/build-ubuntu18/Dockerfile.deps

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+FROM ubuntu:18.04
+
+ARG gccver=4.9
+ARG clangver=5.0
+ARG osname=bionic
+
+#
+#  Install add-apt-repository
+#
+RUN apt-get update && \
+    apt-get install -y software-properties-common && \
+    apt-get clean && \
+    rm -r /var/lib/apt/lists/*
+
+RUN apt-get update && \
+#  Development utilities
+    apt-get install -y devscripts equivs git quilt && \
+#  Compilers
+    apt-get install -y g++ llvm clang lldb && \
+#  eapol_test dependencies
+    apt-get install -y libnl-3-dev libnl-genl-3-dev
+
+
+#
+#  Setup a src dir in /usr/local
+#
+RUN mkdir -p /usr/local/src/repositories
+WORKDIR /usr/local/src/repositories
+
+#
+#  Get a modern version of cmake.  We need 3.8.2 or later to build libkqueue rpms
+#
+RUN curl -f -o cmake.sh https://cmake.org/files/v3.8/cmake-3.8.2-Linux-x86_64.sh
+RUN [ "$(cat cmake.sh | openssl sha256 | sed 's/^.* //')" = "bb26b1871f9e5c2fb73476186cc94d03b674608f704b48b94d617340b87b4d73" ]
+RUN sh cmake.sh --skip-license --prefix=/usr/local
+
+#
+#  Grab libkqueue and build
+#
+WORKDIR /usr/local/src/repositories
+RUN git clone --branch master --depth=1 https://github.com/mheily/libkqueue.git
+
+WORKDIR libkqueue
+RUN cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_LIBDIR=lib ./ && \
+    make && \
+    cpack -P libkqueue-dev -G DEB && \
+    dpkg -i --force-all ./libkqueue-*deb
+
+WORKDIR /usr/local/src/repositories
+
+#
+#  Shallow clone the FreeRADIUS source
+#
+ARG source=https://github.com/FreeRADIUS/freeradius-server.git
+RUN git clone --depth 1 --no-single-branch ${source}
+WORKDIR freeradius-server
+
+#
+#  Install build dependencies for all branches
+#
+RUN for i in $(git for-each-ref --format='%(refname:short)' refs/remotes/origin 2>/dev/null | sed -e 's#origin/##' | egrep "^v[0-9]*\.[0-9x]*\.x$");\
+	do \
+		git checkout $i; \
+		if [ -e ./debian/control.in ] ; then debian/rules debian/control ; fi ; echo 'y' | mk-build-deps -irt'apt-get -yV' debian/control ; \
+	done
+

scripts/docker/build-ubuntu18/Dockerfile.jenkins

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+ARG from=freeradius/ubuntu18-deps
+FROM ${from}
+
+ARG osname=xenial
+
+#
+#  This is necessary for the jenkins server to talk to the docker instance
+#
+RUN apt-add-repository ppa:openjdk-r/ppa
+RUN apt-get update && apt-get install -y openjdk-8-jre-headless
+
+RUN apt-get install -y openssh-server sudo
+
+RUN useradd -m jenkins
+RUN echo "jenkins:jenkins1" | chpasswd
+RUN echo "jenkins ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers
+RUN mkdir /var/run/sshd
+
+# RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''
+RUN sed -i 's|session    required     pam_loginuid.so|session    optional     pam_loginuid.so|g' /etc/pam.d/sshd
+
+EXPOSE 22
+CMD ["/usr/sbin/sshd","-D"]