#1 [internal] load build definition from Dockerfile
#1 DONE 0.1s
#2 [internal] load metadata for docker.io/library/alpine:latest
#2 CACHED
Step 1/4 : FROM alpine
 ---> 123456abcdef
Step 2/4 : RUN echo hi
 ---> Running in abcdef
Removing intermediate container abcdef
#3 exporting to image
#3 exporting layers
#3 writing image sha256:abcdef1234567890
#3 naming to docker.io/library/app:latest
Successfully built abcdef123456
Successfully tagged app:latest
WARNING: image contains vulnerabilities
