update dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.8.9
+FROM python:3.8.9 AS base
 
 WORKDIR /app
 
@@ -9,7 +9,10 @@ RUN apt-get update && xargs -r -a /app/packages.txt apt-get install -y && rm -rf
 RUN pip3 install --no-cache-dir -r /app/requirements.txt
 
 FROM lfoppiano/grobid AS grobid
-FROM base AS final
+
+FROM base
+
+COPY --from=grobid /path/to/grobid /grobid
 
 # User
 RUN useradd -m -u 1000 user