···

       
4
       
4
       
 
       
WORKDIR /app

     

       
5
       
5
       
 
       


     

       
6
       
6
       
 
       
RUN \

     

       
7
       
7
       
-
       
  # Mount Apt cache and lib directories from Docker buildx caches

     

       
8
       
8
       
-
       
  --mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \

     

       
9
       
9
       
-
       
  --mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \

     

       
7
       
7
       
+
       
  --mount=type=cache,id=apt-cache,target=/var/cache/apt,sharing=locked \

     

       
8
       
8
       
+
       
  --mount=type=cache,id=apt-lib-cache,target=/var/lib/apt,sharing=locked \

     

       
10
       
9
       
 
       
  apt-get update; \

     

       
11
       
10
       
 
       
  apt-get dist-upgrade -yq; \

     

       
12
       
11
       
 
       
  apt-get install -y --no-install-recommends \