Fix an example Dockerfile

Author: seratch

examples/docker/aiohttp/Dockerfile

@@ -8,7 +8,7 @@ WORKDIR /build/
 RUN pip install -U pip && pip install -r requirements.txt
 
 FROM python:3.8.5-slim-buster as app
-COPY --from=builder /src/ /app/
+COPY --from=builder /build/ /app/
 COPY --from=builder /usr/local/lib/ /usr/local/lib/
 WORKDIR /app/
 COPY *.py /app/

examples/docker/fastapi-gunicorn/Dockerfile

@@ -9,4 +9,5 @@ RUN pip install -U pip && pip install -r requirements.txt
 
 #
 # docker run -e SLACK_SIGNING_SECRET=$SLACK_SIGNING_SECRET -e SLACK_BOT_TOKEN=$SLACK_BOT_TOKEN -e VARIABLE_NAME="api" -p 80:80 -it your-repo/hello-bolt
-#
+# or
+# docker run -e SLACK_SIGNING_SECRET=$SLACK_SIGNING_SECRET -e SLACK_BOT_TOKEN=$SLACK_BOT_TOKEN -e VARIABLE_NAME="api" -p 3000:80 -it your-repo/hello-bolt