install: moved all dockerfiles to a specific directory and updated package files to account for recent changes and install ospf mdr and emane

dockerfiles/Dockerfile.ubuntu

@@ -0,0 +1,34 @@
+# syntax=docker/dockerfile:1
+FROM ubuntu:20.04
+LABEL Description="CORE Docker Ubuntu Image"
+
+# define variables
+ARG PREFIX=/usr/local
+ARG BRANCH=master
+
+# define environment
+ENV DEBIAN_FRONTEND=noninteractive
+
+# install core
+RUN apt-get update && \
+    apt-get install -y git sudo wget tzdata
+WORKDIR /root
+RUN git clone https://github.com/coreemu/core
+WORKDIR /root/core
+RUN git checkout ${BRANCH}
+RUN ./setup.sh
+RUN . /root/.bashrc && inv install -v -p ${PREFIX}
+# install emane packages and python bindings
+WORKDIR /root
+RUN wget -q https://adjacentlink.com/downloads/emane/emane-1.3.3-release-1.ubuntu-20_04.amd64.tar.gz && \
+    tar xf emane*.tar.gz && \
+    cd emane-1.3.3-release-1/debs/ubuntu-20_04/amd64 && \
+    apt-get install -y ./emane*.deb ./python3-emane_*.deb && \
+    cd ../../../.. && \
+    rm emane-1.3.3-release-1.ubuntu-20_04.amd64.tar.gz && \
+    rm -rf emane-1.3.3-release-1
+WORKDIR /root/core
+RUN . /root/.bashrc && inv install-emane -v -e v1.3.3
+
+# run daemon
+CMD ["core-daemon"]