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The docker-entrypoint.sh script added in https://github.com/nodejs/docker-node/issues/1039 is intended to run the supplied command with "node" if it contains a "-" or doesn't correspond to a system command. In Alpine, this doesn't work if the supplied command corresponds to a regular, non-executable JS file. The root issue is a bug in ash/dash: its implementation of "command -v" incorrectly outputs the supplied command_name even for non-executable files. This is a violation of the POSIX standard and has been reported to the Debian team in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874264, though there's been no activity in several years. As a workaround, this adds an additional check to docker-entrypoint.sh for regular files that aren't marked as executable.
12 lines
388 B
Bash
Executable File
12 lines
388 B
Bash
Executable File
#!/bin/sh
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set -e
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# Run command with node if the first argument contains a "-" or is not a system command. The last
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# part inside the "{}" is a workaround for the following bug in ash/dash:
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# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874264
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if [ "${1#-}" != "${1}" ] || [ -z "$(command -v "${1}")" ] || { [ -f "${1}" ] && ! [ -x "${1}" ]; }; then
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set -- node "$@"
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fi
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exec "$@"
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