fix: package install inside dockerfile (#615)

Dockerfile

@@ -23,14 +23,17 @@ WORKDIR /app
 COPY LICENSE.txt .
 COPY pyproject.toml .
 COPY poetry.lock .
+
+# Install dependencies (minus package) to cache this layer
 RUN poetry config virtualenvs.create false && \
     poetry --no-cache install --no-root --without dev
 
 # Copy code and pre-made data to the /app directory, where the bot will be run from
 COPY canary canary
 COPY data data
 
-RUN pip install -e .
+# Install the package locally
+RUN poetry install --without dev
 
 # Notes:
 #   Users will have to configure their instance using environment variables, described by the Pydantic settings object