Dockerfile
- A single quoted string in JSON array format
Reports a single quoted string in JSON array format.
- Duplicated stage name
Reports duplicated stage names in FROM ..
- Heredoc as a last argument (destination) to ADD/COPY
Reports heredoc used as a last argument (destination) to ADD/COPY command.
- Heredoc mismatched delimiters
Reports unclosed heredoc delimiters at the end of the file.
- Invalid destination for ''ADD''/''COPY'' commands
Reports invalid destination directories in ADD and COPY commands.
- Invalid spaces in ''key=value'' pair
Reports incorrect spacing for key-value pairs in ARG, ENV, and LABEL commands.
- Missing 'exec' in entrypoint shell form
Reports missing exec in the shell form of ENTRYPOINT command.
- Missing continuation character for ''RUN'' command
Reports missing continuation characters in RUN command.
- Wrong number of arguments
Reports invalid number of arguments for the Dockerfile commands.
Last modified: 29 July 2025