ediit secret usage

Dockerfile

@@ -8,8 +8,8 @@ RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 COPY ./main.py /code/app/main.py
 
-# Get secret EXAMPLE and output it to /test at buildtime
-RUN --mount=type=secret,id=EXAMPLE,mode=0444,required=true \
-   cat /run/secrets/EXAMPLE > /test
+# Secret EXAMPLE to py
+RUN --mount=type=secret,id=EXAMPLE,mode=0444,required=true export EXAMPLE=$(cat /run/secrets/EXAMPLE)
+ENV EXAMPLE=$EXAMPLE
 
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]