Update Dockerfile

Dockerfile

@@ -23,11 +23,13 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 ENV CONDA_DIR /opt/conda
 ENV PATH $CONDA_DIR/bin:$PATH
 
-RUN wget --quiet --no-check-certificate https://repo.continuum.io/miniconda/Miniconda3-4.2.12-Linux-x86_64.sh && \
-    echo "c59b3dd3cad550ac7596e0d599b91e75d88826db132e4146030ef471bb434e9a *Miniconda3-4.2.12-Linux-x86_64.sh" | sha256sum -c - && \
-    /bin/bash /Miniconda3-4.2.12-Linux-x86_64.sh -f -b -p $CONDA_DIR && \
-    rm Miniconda3-4.2.12-Linux-x86_64.sh && \
-    echo export PATH=$CONDA_DIR/bin:'$PATH' > /etc/profile.d/conda.sh
+RUN wget --quiet https://repo.anaconda.com/miniconda/Miniconda3-4.5.11-Linux-x86_64.sh -O ~/miniconda.sh && \
+    /bin/bash ~/miniconda.sh -b -p /opt/conda && \
+    rm ~/miniconda.sh && \
+    /opt/conda/bin/conda clean -tipsy && \
+    ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh && \
+    echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc && \
+    echo "conda activate base" >> ~/.bashrc
 
 # Install Python packages and keras
 ENV NB_USER keras