collapse RUN commands into one

just a little saving: from 3.81 to 3.59 GB

docker/Dockerfile

@@ -8,11 +8,9 @@ RUN apt-get update && apt-get install -y libsox-fmt-all libsox-dev
 #  For now, grabbing the latest from their repos.
 RUN git clone https://github.com/mbari-org/pypam-based-processing.git \
  && cd pypam-based-processing \
- && pip install -r requirements.txt
-
-# Separated RUNs while testing
-RUN pip install git+https://github.com/lifewatch/pypam.git
-RUN /opt/conda/bin/conda install jupyter -y --quiet
+ && pip install -r requirements.txt \
+ && pip install git+https://github.com/lifewatch/pypam.git \
+ && /opt/conda/bin/conda install jupyter -y --quiet
 
 ENV PYTHONPATH /opt/pbp:/opt/pbp/pypam-based-processing
 EXPOSE 8899