Explicitly set arguments for final docker stage

Dockerfile

@@ -24,7 +24,6 @@ ENV \
 RUN curl -sSL https://install.python-poetry.org | python3 -
 ENV PATH="${POETRY_HOME}/bin:${PATH}"
 
-
 WORKDIR ${APP_PATH}
 COPY ./poetry.lock ./pyproject.toml ./README.md ./
 COPY ./${APP_NAME} ./${APP_NAME}
@@ -32,9 +31,9 @@ COPY ./${APP_NAME} ./${APP_NAME}
 # --------------
 
 FROM staging as worker
-ARG APP_NAME
-ARG APP_PATH
-ARG VERBANOTE_OUTPUT_PATH
+ARG APP_NAME=verbanote
+ARG APP_PATH=/verbanote
+ARG VERBANOTE_OUTPUT_PATH=/transcriptions
 ENV APP_NAME=${APP_NAME}
 ENV APP_PATH=${APP_PATH}
 ENV VERBANOTE_OUTPUT_PATH=${VERBANOTE_OUTPUT_PATH}