Move dockerfile to top level directory

docker/Dockerfile-base

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+FROM alpine:latest
+
+# Install things
+RUN echo "http://mirror.leaseweb.com/alpine/edge/testing" >> /etc/apk/repositories
+RUN apk add --update --no-cache \
+    gcc \
+    g++ \
+    gfortran \
+    build-base \
+    python3-dev \
+    py3-pip \
+    py3-numpy \
+    py3-scipy \
+    py3-zmq \
+    cmake \
+    curl \
+    wget \
+    libzmq \
+    zlib-dev \
+    musl-dev \
+    freetype-dev \
+    libpng-dev \
+    libxml2-dev \
+    openblas-dev \
+    geos-dev \
+    proj4-dev
+
+RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories
+RUN apk add --update --no-cache \
+    libressl2.7-libcrypto \
+    gdal-dev
+
+
+RUN ln -s /usr/include/locale.h /usr/include/xlocale.h
+# RUN python3 -m pip install --no-cache-dir --upgrade numpy && \
+RUN python3 -m pip install --no-cache-dir --upgrade pip numpy && \
+    python3 -m pip install --no-cache-dir setuptools wheel Cython && \
+    python3 -m pip install --no-cache-dir \
+    packaging \
+    jupyter \
+    pyepsg \
+    cartopy && \
+    python3 -m pip install --no-cache-dir matplotlib
+
+
+# Install Tini.. this is required because CMD (below) doesn't play nice with notebooks for some reason:
+# https://github.com/ipython/ipython/issues/7062, https://github.com/jupyter/notebook/issues/334
+RUN curl -L https://github.com/krallin/tini/releases/download/v0.10.0/tini > tini && \
+    echo "1361527f39190a7338a0b434bd8c88ff7233ce7b9a4876f3315c22fce7eca1b0 *tini" | sha256sum -c - && \
+    mv tini /usr/local/bin/tini && \
+    chmod +x /usr/local/bin/tini
+
+# expose notebook port
+EXPOSE 8888
+
+
+# add a notebook profile
+RUN mkdir -p -m 700 /root/.jupyter/ && \
+    echo "c.NotebookApp.ip = '0.0.0.0'" >> /root/.jupyter/jupyter_notebook_config.py
+
+# note we also use xvfb which is required for viz
+ENTRYPOINT ["/usr/local/bin/tini", "--"]