Merge pull request #2100 from omnidan/elektra-web-docker

Elektra Web - docker images

scripts/docker/web/README.md

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+# Elektra Web docker images
+
+- `elektra/web-base` - base image for elektra web, all other images build upon this (builds elektra with `yajl` and `kdb`)
+- `elektra/elektrad` - image that only starts elektrad
+- `elektra/webd` - image that only starts webd
+- `elektra/elektrad-demo` - same as `elektrad`, but with a KDB config set up (for demo, should run on http://elektrad-demo.libelektra.org)
+- `elektra/webd-demo` - same as `webd`, but with 2 instances already created, they both connect to http://elektrad-demo.libelektra.org with different visibility levels (for demo, should run on http://webui.libelektra.org)
+- `elektra/web` - image that starts elektrad & webd (for those who just want to try out Elektra Web locally, also mentioned in quickstart in README of #2099)
+

scripts/docker/web/base/Dockerfile

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+# base image for elektra web, all other images build upon this (builds elektra with `yajl` and `kdb`)
+
+FROM ubuntu:16.04
+
+# elektra deps
+RUN apt-get update -y
+RUN apt-get install -y cmake git build-essential
+
+# elektra web deps
+RUN apt-get install -y libyajl-dev curl nodejs-legacy npm
+RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
+RUN apt-get install -y nodejs
+
+# pull latest libelektra
+RUN mkdir /home/elektra
+WORKDIR /home/elektra
+ARG ELEKTRA_VER=master
+RUN git clone -b ${ELEKTRA_VER} --depth 1 https://github.com/ElektraInitiative/libelektra.git
+WORKDIR /home/elektra/libelektra
+
+# build & install libelektra
+RUN mkdir /home/elektra/libelektra/build
+WORKDIR /home/elektra/libelektra/build
+RUN cmake .. -DTOOLS="kdb;web"
+RUN make
+RUN make install
+
+# prepare user and home dir
+RUN groupadd -r elektra && useradd --no-log-init -r -g elektra elektra
+RUN chown -R elektra:elektra /home/elektra

scripts/docker/web/elektrad-demo/Dockerfile

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+# same as `elektrad`, but with a KDB config set up (for demo)
+
+FROM elektra/web-base:latest
+
+WORKDIR /home/elektra
+
+# prepare demo environment
+
+# mount copy of /etc/hosts to user/hosts
+
+# mount as root user
+RUN kdb mount --with-recommends hosts user/hosts hosts
+
+# then switch to elektra user
+USER elektra
+RUN mkdir /home/elektra/.config
+RUN cp /etc/hosts /home/elektra/.config/hosts
+
+# create user/app structure
+COPY --chown=elektra:elektra demo.kdb /home/elektra/
+RUN kdb import user/app < /home/elektra/demo.kdb
+
+# run elektrad
+EXPOSE 33333
+CMD ["kdb","run-elektrad"]

scripts/docker/web/elektrad/Dockerfile

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+# image that only starts elektrad
+
+FROM elektra/web-base:latest
+
+WORKDIR /home/elektra
+USER elektra
+
+# run elektrad
+EXPOSE 33333
+CMD ["kdb","run-elektrad"]

scripts/docker/web/web/Dockerfile

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+# image that starts elektrad & webd (for quickstart with elektra web)
+
+FROM elektra/web-base:latest
+
+WORKDIR /home/elektra
+USER elektra
+
+# create start script
+RUN printf "#!/bin/bash\nkdb run-elektrad &\nkdb run-web" > start
+RUN chmod +x start
+
+# run elektrad and webd in one container
+EXPOSE 33333
+EXPOSE 33334
+CMD ["/home/elektra/start"]

scripts/docker/web/webd-demo/Dockerfile

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+# same as `webd`, but with 2 instances already created, they both connect to http://elektrad-demo.libelektra.org with different visibility levels (for demo)
+
+FROM elektra/web-base:latest
+
+WORKDIR /home/elektra
+USER elektra
+
+# prepare demo environment
+COPY --chown=elektra:elektra demo.kdb /home/elektra/
+RUN kdb import user/sw < /home/elektra/demo.kdb
+
+# run webd (serves client)
+EXPOSE 33334
+CMD ["kdb","run-web"]

scripts/docker/web/webd/Dockerfile

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+# image that only starts webd
+
+FROM elektra/web-base:latest
+
+WORKDIR /home/elektra
+USER elektra
+
+# run webd (serves client)
+EXPOSE 33334
+CMD ["kdb","run-web"]