Simplifying app install

Author: JohnPreston

Dockerfile

@@ -9,13 +9,14 @@ WORKDIR /opt
 RUN yum install gcc -y
 COPY ecs_files_composer /opt/ecs_files_composer
 COPY poetry.lock pyproject.toml MANIFEST.in README.rst LICENSE /opt/
-RUN python -m pip install pip -U; python -m pip install poetry; poetry build; poetry export -o /opt/requirements.txt
+RUN python -m pip install pip -U
+RUN python -m pip install poetry
+RUN poetry build
 
 
 FROM $BASE_IMAGE
 COPY --from=builder /opt/dist/*.whl ${LAMBDA_TASK_ROOT:-/app/}/dist/
-COPY --from=builder /opt/requirements.txt ${LAMBDA_TASK_ROOT:-/app/}/requirements.txt
-RUN python -m pip install pip -U --no-cache-dir; pip install --no-cache-dir -r /app/requirements.txt
+RUN python -m pip install pip -U --no-cache-dir
 RUN python -m pip install --no-cache-dir /app/dist/*.whl
 WORKDIR /
 ENTRYPOINT ["python", "-m", "ecs_files_composer.cli"]