Create Dockerfile which launches with IPython

Dockerfile

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+# This builds a dockerfile containing a working copy of PySR
+# with all pre-requisites installed.
+
+
+ARG VERSION=latest
+FROM julia:$VERSION
+
+RUN apt-get update && apt-get upgrade -y && apt-get install -y \
+    build-essential python3 python3-dev python3-pip python3-setuptools \
+    vim git wget curl \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /pysr
+
+# Caches install (https://stackoverflow.com/questions/25305788/how-to-avoid-reinstalling-packages-when-building-docker-image-for-python-project)
+ADD ./requirements.txt /pysr/requirements.txt
+RUN pip3 install -r /pysr/requirements.txt
+
+# Install PySR:
+ADD . /pysr/
+RUN pip3 install .
+
+# Install Julia pre-requisites:
+RUN julia -e 'using Pkg; Pkg.add("SymbolicRegression")'
+
+# Install IPython and other useful libraries:
+RUN pip3 install ipython jupyter matplotlib
+
+CMD ["ipython"]