dockerfile parity and verion fix

Dockerfile

@@ -9,6 +9,7 @@ RUN cd Cbc-2.9.8 && \
     ./configure && \
     make && \
     make install
+RUN python -m pip install pydantic
 RUN python -m pip install pySqsListener
 
 # Bundle app source
@@ -23,4 +24,5 @@ ENV MEASURE_PROCESSED_BUCKET measure-development-solver-processed
 ENV SOLVER_SQS_INGEST_QUEUE https://sqs.ca-central-1.amazonaws.com/455309353401/measure-development-solver-ingest
 ENV SOLVER_AWS_REGION ca-central-1
 
-CMD [ "python", "main.py" ]
+# CMD [ "python", "main.py" ]
+CMD tail -f /dev/null