Update Dockerfile and docker-compose.yml, fixes #52, fixes #53, fixes #55

docker/Dockerfile

@@ -10,9 +10,11 @@ RUN apt-get update && apt-get upgrade -y \
         unzip zip \
     && rm -rf /var/lib/apt/lists/*
 
-RUN conda update -n base conda
+COPY environment.yml /tmp/
-COPY docker/environment.yml /tmp/
+RUN conda update -y -n base conda \
-RUN conda env create -f /tmp/environment.yml
+    && conda env create -f /tmp/environment.yml \
+    && conda clean -y -t \
+    && rm /tmp/environment.yml
 
 ARG username
 ARG userid
@@ -30,6 +32,8 @@ RUN chown ${username}:${username} ${workdir}
 USER ${username}
 WORKDIR ${workdir}
 
+ENV PATH /opt/conda/envs/tf2/bin:$PATH
+
 # The config below enables diffing notebooks with nbdiff (and nbdiff support
 # in git diff command) after connecting to the container by "make exec" (or
 # "docker-compose exec handson-ml2 bash")
@@ -47,9 +51,9 @@ RUN git config --global diff.jupyternotebook.command 'git-nbdiffdriver diff --ig
 
 
 COPY docker/bashrc.bash /tmp/
-RUN cat /tmp/bashrc.bash >> ${home}/.bashrc
+RUN cat /tmp/bashrc.bash >> ${home}/.bashrc \
-RUN echo "export PATH=\"${workdir}/docker/bin:$PATH\"" >> ${home}/.bashrc
+    && echo "export PATH=\"${workdir}/docker/bin:$PATH\"" >> ${home}/.bashrc \
-RUN sudo rm /tmp/bashrc.bash
+    && sudo rm /tmp/bashrc.bash
 
 
 # INFO: Uncomment lines below to enable automatic save of python-only and html-only

docker/docker-compose.yml

@@ -19,4 +19,4 @@ services:
       - "6006:6006"
     volumes:
       - ../:/home/devel/handson-ml2
-    command: /opt/conda/bin/jupyter notebook --ip='0.0.0.0' --port=8888 --no-browser
+    command: /opt/conda/envs/tf2/bin/jupyter notebook --ip='0.0.0.0' --port=8888 --no-browser