Update Dockerfile

Dockerfile

 # reference: https://hub.docker.com/_/ubuntu/
-FROM ubuntu:focal-20210325
+FROM ubuntu:focal
 
 ARG DEBIAN_FRONTEND=noninteractive
 
@@ -109,7 +109,7 @@ RUN chown $UID:$GID /tmp/environment.yml /tmp/requirements.txt \
 
 USER $USER
 
-ENV MINICONDA_VERSION 4.7.12
+ENV MINICONDA_VERSION latest
 ENV CONDA_DIR $HOME/miniconda3
 ENV PATH=$CONDA_DIR/bin:$PATH
 
@@ -162,6 +162,16 @@ RUN conda activate $ENV_PREFIX \
  && git clone https://github.com/PyCOMPLETE/FillingPatterns.git \
  && pip install ./FillingPatterns \
  && python -m pip install -U --index-url https://acc-py-repo.cern.ch/repository/vr-py-releases/simple --trusted-host acc-py-repo.cern.ch pytimber \
+ && git clone https://github.com/xsuite/xobjects \
+ && pip install -e xobjects \
+ && git clone https://github.com/xsuite/xline \
+ && pip install -e xline \
+ && git clone https://github.com/xsuite/xpart \
+ && pip install -e xpart \
+ && git clone https://github.com/xsuite/xtrack \
+ && pip install -e xtrack \
+ && git clone https://github.com/xsuite/xfields \
+ && pip install -e xfields \
  && python -m cmmnbuild_dep_manager resolve \
  && conda deactivate