How to copy multiple files in one layer using a Dockerfile? -


the following dockerfile contains 4 copy layers:

copy readme.md ./ copy package.json ./ copy gulpfile.js ./ copy __build_number ./

how copy these files using 1 layer instead? following tried:

copy [     "__build_number ./",     "readme.md ./",     "gulpfile ./",     "another_file ./", ] 

copy readme.md package.json gulpfile.js __build_number ./

or

copy ["__build_number", "readme.md", "gulpfile", "another_file", "./"]

you can use wildcard characters in sourcefile specification. see docs little more detail.

directories special! if write

copy dir1 dir2 ./

that works like

copy dir1/* dir2/* ./

if want copy multiple directories (not contents) under destination directory in single command, you'll need set build context source directories under common parent , copy parent.


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