Sending build context to Docker daemon  4.608kB
Step 1/5 : FROM openjdk:10
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Step 2/5 : ADD MemoryCheck.java .
 ---> Using cache
 ---> 8507cd7002c6
Step 3/5 : WORKDIR .
 ---> Using cache
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Step 4/5 : RUN javac MemoryCheck.java
 ---> Using cache
 ---> 83232040c155
Step 5/5 : CMD java -showversion MemoryCheck
 ---> Using cache
 ---> 8c0425bf6da8
Successfully built 8c0425bf6da8
Successfully tagged memorycheck10:latest