Docker Cookbook - Second Edition

How to do it...

Perform the following steps to create a smaller image using the scratch base image:

1. Change to the repository directory:

$ cd scratch

2. Now, build a static executable demo from the demo.c file using the gcc:7.2 runtime container, as shown in the following code:

     $ docker container run --rm \      -v ${PWD}:/src \     -w /src \     gcc:7.2 \     gcc -static -o demo demo.c

3. Having built the statically linked executable lets quickly verify the binary:

4. Continue to build an image from the scratch base image with the executable demo created in the previous step, as shown in the following code:

5. Finally, let us verify the image by spinning a ...