Fixes to build process

docker/Dockerfile

@@ -62,7 +62,7 @@ USER howler
 RUN touch /tmp/before-pip
 
 # Install howler UI into local so it merges new and old packages
-COPY setup.py dist* dist/
+COPY dist* dist/
 
 RUN pip install --no-cache-dir --no-warn-script-location --user dist/howler_api-*-py3-none-any.whl && \
     rm -rf ~/.cache/pip && \

docker/build_container.sh

@@ -1,13 +1,13 @@
 #!/bin/bash -ex
 
 # Get version
-version=$( (cd .. && python setup.py --version))
+version=$( (cd .. && poetry version --short))
 
 # Clean build dir
-(cd .. && python setup.py clean --all && rm -rf dist)
+(cd .. && rm -rf dist)
 
 # Build wheel
-(cd .. && python setup.py bdist_wheel)
+(cd .. && poetry build)
 
 # Build container
 (cd .. && docker build --build-arg version=$version --no-cache -f docker/Dockerfile -t cccs/howler-api:latest -t cccs/howler-api:$version .)