Add Dockerfile for automatic build

Dockerfile

@@ -0,0 +1,69 @@
+# Build with:
+# docker build -t mk_build . --squash
+#
+# Retrieve build files with:
+# docker run -it mk_build
+# docker container list
+# docker cp <container_id>:/mk/mk-2021.0-toolchain.tar.gz .
+# docker cp <container_id>:/mk/mk-2021.0-base.tar.gz .
+# docker cp <container_id>:/mk/mk-2021.0-full.tar.gz .
+
+
+FROM debian:latest
+
+MAINTAINER [email protected]
+
+
+# Define variables.
+ENV HOME /root
+ENV mkPrefix /u/sw
+
+ENV mkRoot /mk
+ENV mkOutputBasename ${mkRoot}/mk-2021.0
+
+ENV mkKeepBuildDir yes
+ENV mkFlags "--jobs=6 -v"
+
+
+# Install dependencies.
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update -y && \
+    apt-get upgrade -y && \
+    apt-get install -y build-essential python2 python3 \
+      gawk procps wget curl openssh-client p11-kit \
+      git rsync zip unzip
+
+
+# Clone repo.
+RUN git clone https://github.com/elauksap/mk.git ${mkRoot}
+
+
+# 1. Bootstrap
+WORKDIR ${mkRoot}
+RUN bootstrap/bootstrap ${mkPrefix}
+
+# 2. Toolchain 
+WORKDIR ${mkRoot}/toolchains/gcc-glibc
+RUN make install mkFlags="${mkFlags}"
+RUN tar czvf ${mkOutputBasename}-toolchain.tar.gz ${mkPrefix}
+
+# Enable toolchain by default.
+SHELL ["/bin/bash", "-c"]
+RUN printf "\n# mk.\n\
+source /u/sw/etc/profile\n\
+module load gcc-glibc\n" >> ${HOME}/.bashrc
+
+# 3. Base
+WORKDIR ${mkRoot}/base
+RUN source ${HOME}/.bashrc && make install mkFlags="${mkFlags}"
+RUN tar czvf ${mkOutputBasename}-base.tar.gz ${mkPrefix}
+
+# 4. Packages
+WORKDIR ${mkRoot}/pkgs
+RUN source ${HOME}/.bashrc && make install mkFlags="${mkFlags}"
+RUN tar czvf ${mkOutputBasename}-full.tar.gz ${mkPrefix}
+
+
+# Set configuration variables.
+USER root
+WORKDIR ${HOME}