add Dockerfile

Author: Ryan Patrick Kyle

build/.dockerignore

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+README.md

build/Dockerfile

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+FROM circleci/python:3.7-stretch-node-browsers
+MAINTAINER Ryan Patrick Kyle "[email protected]"
+
+RUN sudo apt-get update \
+ && sudo apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+
+RUN cd /usr/local/src \
+ && sudo mkdir /usr/local/src/julia \
+ && sudo curl -o julia.tar.gz --location --show-error \
+ https://julialang-s3.julialang.org/bin/linux/x64/1.4/julia-1.4.1-linux-x86_64.tar.gz \
+ && sudo tar --extract --gzip --strip 1 --directory=/usr/local/src/julia --file=julia.tar.gz \
+ && sudo ln -s /usr/local/src/julia/bin/julia /usr/local/bin/julia 

build/README.md

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+# plotly/julia:ci
+
+#### This Dockerfile is currently used to support integration and unit tests for [Dash.jl](https://github.com/plotly/Dash.jl).
+
+## Usage
+
+This image is pulled from within Dash.jl's [config.yml](https://github.com/plotly/Dash.jl/blob/dev/.circleci/config.yml):
+
+```yaml
+    docker:
+      - image: plotly/julia:ci 
+```
+
+## Publication details
+
+[plotly/julia:ci](https://hub.docker.com/r/plotly/julia/tags)
+
+## Limitations
+
+The current revision of this Dockerfile fixes the Julia version at a given release, so only manual updating is possible. The image is based on `circleci/python:3.7-stretch-node-browsers` rather than the [docker-library](https://github.com/docker-library/julia) or [julia-latest](https://hub.docker.com/_/julia?tab=tags) images.