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Code Inspection: Invalid destination for ''ADD''/''COPY'' commands

Last modified: 13 May 2022

Configure inspections: Settings | Editor | Inspections

Show intention actions: AltEnter

Reports invalid destination directories in ADD and COPY commands.

According to the Dockerfile specification, if multiple sources are specified, then the destination must be a directory, and it must end with a slash '/'. Otherwise, Docker build will fail.

Examples:

# all the commands below will fail
ADD textA.txt textB.txt relativeDir
ADD ["binaryA.jar", "binary2.jar", "destination"]
COPY text3.txt text4.txt /absolute/path

After the quick-fix is applied:

ADD textA.txt textB.txt relativeDir/
ADD ["binaryA.jar", "binary2.jar", "destination/"]
COPY text3.txt text4.txt /absolute/path/

Suppress an inspection in the editor

  1. Place the caret at the highlighted line and press AltEnter or click the Intention action icon.

  2. Click the arrow next to the inspection you want to suppress and select the necessary suppress action.

See also

Procedures