Dockerfile using distroless with gosu

Dockerfile

FROM debian as build                                                                                                                                                                           
                                                                                                                                                                                               
WORKDIR /build/                                                                                                                                                                                
                                                                                                                                                                                               
RUN set -eux; \                                                                                                                                                                                
    apt-get update && \                                                                                                                                                                        
    apt-get install -yq wget gpg && \                                                                                                                                                          
    wget https://github.com/tianon/gosu/releases/download/1.13/gosu-amd64 -O gosu && \                                                                                                         
    wget https://github.com/tianon/gosu/releases/download/1.13/gosu-amd64.asc -O gosu.asc && \                                                                                                 
    gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 && \                                                                                  
    gpg --batch --verify gosu.asc gosu && \                                                                                                                                                    
    chmod +x gosu                                                                                                                                                                              
                                                                                                                                                                                               
                                                                                                                                                                                               
# ---                                                                                                                                                                                          
FROM gcr.io/distroless/python3-debian10                                                                                                                                                        
                                                                                                                                                                                               
COPY --from=build /build/gosu /usr/bin/                                                                                                                                                        
                                                                                                                                                                                               
ENTRYPOINT ["gosu", "888:888", "python", "-c", "import os; print(os.getuid(), os.getgid())"]