Base conda image on base

Author: hc2p

.circleci/config.yml

@@ -241,7 +241,7 @@ workflows:
             parameters:
               python-version: *python-versions
           requires:
-            - Python << matrix.python-version >>
+            - Building the base image
 
       - build-and-push-gpu:
           name: Tensorflow 2.9

python/conda/Dockerfile.conda

@@ -1,11 +1,10 @@
 ARG PYTHON_VERSION=3.8
 ARG CIRCLE_PULL_REQUEST
-FROM deepnote/python:${PYTHON_VERSION}${CIRCLE_PULL_REQUEST:+-ra-${CIRCLE_PULL_REQUEST##*/}}
+FROM deepnote/base
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         tini  \
-        libffi-dev \
         libglib2.0-0 libxext6 libsm6 libxrender1 && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
@@ -21,10 +20,15 @@ ARG PYTHON_VERSION
 RUN MINICONDA_URL="https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh"; \
     wget --quiet $MINICONDA_URL -O /tmp/miniconda.sh && \
     /bin/bash /tmp/miniconda.sh -b -p /opt/conda && \
-    rm /tmp/miniconda.sh
+    rm /tmp/miniconda.sh && \
+    # Install the correct version of python (as the time of
+    # writing, anaconda installed python 3.9 by default)
+    /opt/conda/bin/conda install python=${PYTHON_VERSION} && \
+    /opt/conda/bin/conda clean --all
 
 ENV PATH=/opt/conda/bin:$PATH
 
+ENV PIP_TARGET=/opt/conda/lib/python${PYTHON_VERSION}/site-packages
 
 # Remove the system wide .profile file, because it overwrites the $PATH variable
 # and therefore the /opt/conda/bin directory is not in the $PATH.